!SESSION 2020-09-03 03:41:01.481 ----------------------------------------------- eclipse.buildId=4.17.0.I20200902-1800 java.version=11.0.7 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -application org.eclipse.test.uitestapplication formatter=org.apache.tools.ant.taskdefs.optional.junit.XMLJUnitResultFormatter,/home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/test-eclipse/eclipse/org.eclipse.ua.tests.AllPerformanceTests.xml -testPluginName org.eclipse.ua.tests -className org.eclipse.ua.tests.AllPerformanceTests -timeout 7200000 -junitReportOutput /home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/results/ep417I-perf-lin64_linux.gtk.x86_64_11 Command-line arguments: -application org.eclipse.test.uitestapplication -data /home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/test-eclipse/eclipse/ua_performance_folder formatter=org.apache.tools.ant.taskdefs.optional.junit.XMLJUnitResultFormatter,/home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/test-eclipse/eclipse/org.eclipse.ua.tests.AllPerformanceTests.xml -testPluginName org.eclipse.ua.tests -className org.eclipse.ua.tests.AllPerformanceTests -os linux -ws gtk -arch x86_64 -consolelog -timeout 7200000 -junitReportOutput /home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/results/ep417I-perf-lin64_linux.gtk.x86_64_11 !ENTRY org.eclipse.urischeme 4 0 2020-09-03 03:41:11.070 !MESSAGE !STACK 0 java.lang.NullPointerException at org.eclipse.urischeme.internal.registration.DesktopFileWriter.escapeSpaces(DesktopFileWriter.java:186) at org.eclipse.urischeme.internal.registration.DesktopFileWriter.getMinimalDesktopFileContent(DesktopFileWriter.java:175) at org.eclipse.urischeme.internal.registration.RegistrationLinux.readFileOrGetInitialContent(RegistrationLinux.java:115) at org.eclipse.urischeme.internal.registration.RegistrationLinux.changeDesktopFile(RegistrationLinux.java:98) at org.eclipse.urischeme.internal.registration.RegistrationLinux.handleSchemes(RegistrationLinux.java:64) at org.eclipse.urischeme.AutoRegisterSchemeHandlersJob.run(AutoRegisterSchemeHandlersJob.java:78) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) !ENTRY org.eclipse.e4.ui.workbench3 1 0 2020-09-03 03:41:11.189 !MESSAGE starting DumpStackTracesTimer with timeout=7080000 at 2020-09-03 03:41:11 +0000 Scenario 'org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest#testOpenSimpleCheatSheet()' (average over 50 samples): System Time: 332ms (95% in [327ms, 338ms]) Measurable effect: 10ms (0.6 SDs) Used Java Heap: -1.34M (95% in [-13.37M, 10.68M]) Measurable effect: 23.93M (0.6 SDs) (required sample size for an effect of 5% of stdev: 6401) Working Set: 2.23M (95% in [1.25M, 3.21M]) Measurable effect: 1.95M (0.6 SDs) (required sample size for an effect of 5% of stdev: 6400) Elapsed Process: 332ms (95% in [327ms, 338ms]) Measurable effect: 10ms (0.6 SDs) Kernel time: 6ms (95% in [4ms, 8ms]) Measurable effect: 3ms (0.6 SDs) (required sample size for an effect of 5% of mean: 5587) CPU Time: 589ms (95% in [567ms, 610ms]) Measurable effect: 43ms (0.6 SDs) (required sample size for an effect of 5% of mean: 108) Hard Page Faults: 0 (95% in [0, 0]) Soft Page Faults: 654 (95% in [407, 902]) Measurable effect: 492 (0.6 SDs) (required sample size for an effect of 5% of stdev: 6400) Text Size: 0 (95% in [0, 0]) Data Size: 0 (95% in [0, 0]) Library Size: 40.96K (95% in [-41.35K, 123.27K]) Measurable effect: 163.84K (0.6 SDs) (required sample size for an effect of 5% of stdev: 6400) !ENTRY org.eclipse.test.performance 1 0 2020-09-03 03:41:33.283 !MESSAGE refkeys was: {jvm=11, build=R-4.16-202006040540-202009021800, config=linux.gtk.x86_64} based on eclipse.perf.assertAgainst being set to build=R-4.16-202006040540-202009021800;config=linux.gtk.x86_64;jvm=11; !ENTRY org.eclipse.test.performance 2 0 2020-09-03 03:41:33.289 !MESSAGE no session data named '{jvm=11, build=I20200902-1800, config=linux.gtk.x86_64}' found !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:33.893 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:61) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:33.895 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:61) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:34.211 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:61) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:34.214 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:61) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:34.485 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:34.488 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:34.766 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:34.767 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:35.054 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:35.055 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:35.325 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:35.327 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:35.593 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:35.594 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:35.863 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:35.865 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:36.132 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:36.134 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:36.404 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:36.405 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:36.685 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:36.686 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:36.961 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:36.962 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:37.237 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:37.239 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:37.502 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:37.505 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:37.784 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:37.786 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:38.046 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:38.047 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:38.318 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:38.320 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:38.579 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:38.580 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:38.880 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:38.882 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:39.159 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:39.162 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:39.441 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:39.443 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:39.709 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:39.710 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:39.956 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:39.958 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:40.219 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:40.220 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:40.483 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:40.484 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:40.756 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:40.757 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !SESSION 2020-09-03 03:41:01.481 ----------------------------------------------- eclipse.buildId=4.17.0.I20200902-1800 java.version=11.0.7 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -application org.eclipse.test.uitestapplication formatter=org.apache.tools.ant.taskdefs.optional.junit.XMLJUnitResultFormatter,/home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/test-eclipse/eclipse/org.eclipse.ua.tests.AllPerformanceTests.xml -testPluginName org.eclipse.ua.tests -className org.eclipse.ua.tests.AllPerformanceTests -timeout 7200000 -junitReportOutput /home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/results/ep417I-perf-lin64_linux.gtk.x86_64_11 Command-line arguments: -application org.eclipse.test.uitestapplication -data /home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/test-eclipse/eclipse/ua_performance_folder formatter=org.apache.tools.ant.taskdefs.optional.junit.XMLJUnitResultFormatter,/home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/test-eclipse/eclipse/org.eclipse.ua.tests.AllPerformanceTests.xml -testPluginName org.eclipse.ua.tests -className org.eclipse.ua.tests.AllPerformanceTests -os linux -ws gtk -arch x86_64 -consolelog -timeout 7200000 -junitReportOutput /home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/results/ep417I-perf-lin64_linux.gtk.x86_64_11 This is a continuation of log file /home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/test-eclipse/eclipse/ua_performance_folder/.metadata/.bak_0.log Created Time: 2020-09-03 03:41:41.012 !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:41.012 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:41.013 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:41.273 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:41.274 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:41.542 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:41.544 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:41.813 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:41.815 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:42.080 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:42.082 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:42.346 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:42.347 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:42.607 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:42.608 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:42.927 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:42.929 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:43.191 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:43.192 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:43.464 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:43.465 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:43.730 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:43.732 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:43.994 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:43.996 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:44.255 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:44.256 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:44.519 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:44.520 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:44.792 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:44.794 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:45.042 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:45.043 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:45.302 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:45.303 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:45.557 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:45.558 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:45.794 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:45.795 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:46.055 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:46.056 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:46.294 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:46.295 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:46.554 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:46.556 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:46.806 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:46.807 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:47.043 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:47.044 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:47.280 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:47.281 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:47.531 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:263) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:502) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-09-03 03:41:47.533 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4869) at org.eclipse.swt.SWT.error(SWT.java:4784) at org.eclipse.swt.SWT.error(SWT.java:4755) at org.eclipse.swt.widgets.Widget.error(Widget.java:551) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:5081) at org.eclipse.ui.internal.forms.widgets.FormHeading.setBackground(FormHeading.java:675) at org.eclipse.ui.internal.forms.widgets.FormHeading.setTextBackground(FormHeading.java:751) at org.eclipse.ui.forms.widgets.Form.setTextBackground(Form.java:337) at org.eclipse.ui.internal.forms.css.properties.css2.CSSPropertyFormHandler.applyCSSProperty(CSSPropertyFormHandler.java:70) at org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler.applyCSSProperty(AbstractCSSPropertySWTHandler.java:35) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyCSSProperty(AbstractCSSEngine.java:746) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyleDeclaration(AbstractCSSEngine.java:552) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:426) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngine.applyStyles(ThemeEngine.java:525) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.setClassnameAndId(PartRenderingEngine.java:1322) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.setCSSInfo(SWTPartRenderer.java:113) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.styleElement(SWTPartRenderer.java:83) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.subscribeTopicActivateChanged(StackRenderer.java:504) at jdk.internal.reflect.GeneratedMethodAccessor55.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5855) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:219) at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:64) at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203) at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151) at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:132) at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75) at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44) at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:387) at org.eclipse.e4.ui.workbench.UIEvents.publishEvent(UIEvents.java:356) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:726) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:679) at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5745) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1427) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1453) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1436) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2129) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2092) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4807) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3838) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2316) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6795) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5979) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2908) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:672) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2901) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5422) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1616) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4727) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1519) at org.eclipse.swt.widgets.Widget.release(Widget.java:1256) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1505) at org.eclipse.swt.widgets.Widget.release(Widget.java:1247) at org.eclipse.swt.widgets.Control.release(Control.java:4704) at org.eclipse.swt.widgets.Widget.dispose(Widget.java:529) at org.eclipse.ui.internal.cheatsheets.views.Page.dispose(Page.java:84) at org.eclipse.ui.internal.cheatsheets.composite.views.CompositeCheatSheetPage.dispose(CompositeCheatSheetPage.java:185) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.internalDispose(CheatSheetViewer.java:927) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setContent(CheatSheetViewer.java:1114) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1229) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetViewer.setInput(CheatSheetViewer.java:1203) at org.eclipse.ui.internal.cheatsheets.views.CheatSheetView.setInput(CheatSheetView.java:210) at org.eclipse.ui.cheatsheets.OpenCheatSheetAction.run(OpenCheatSheetAction.java:151) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.openCompositeCheatSheet(OpenCheatSheetTest.java:84) at org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest.testOpenCompositeCheatSheet(OpenCheatSheetTest.java:68) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at junit.framework.TestCase.runTest(TestCase.java:177) at junit.framework.TestCase.runBare(TestCase.java:142) at junit.framework.TestResult$1.protect(TestResult.java:122) at junit.framework.TestResult.runProtected(TestResult.java:142) at junit.framework.TestResult.run(TestResult.java:125) at junit.framework.TestCase.run(TestCase.java:130) at junit.framework.TestSuite.runTest(TestSuite.java:241) at junit.framework.TestSuite.run(TestSuite.java:236) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:90) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$5(DefaultLauncher.java:211) at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132) at org.eclipse.test.EclipseTestRunner.runTests(EclipseTestRunner.java:226) at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:202) at org.eclipse.test.UITestApplication.lambda$0(UITestApplication.java:103) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4988) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4510) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.test.UITestApplication.run(UITestApplication.java:48) at org.eclipse.test.UITestApplication.start(UITestApplication.java:118) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) at org.eclipse.core.launcher.Main.main(Main.java:44) Scenario 'org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest#testOpenCompositeCheatSheet()' (average over 50 samples): System Time: 212ms (95% in [208ms, 215ms]) Measurable effect: 6ms (0.6 SDs) Used Java Heap: 3.88M (95% in [-4.13M, 11.89M]) Measurable effect: 15.95M (0.6 SDs) (required sample size for an effect of 5% of stdev: 6401) Working Set: 213.6K (95% in [86.18K, 341.02K]) Measurable effect: 253.63K (0.6 SDs) (required sample size for an effect of 5% of stdev: 6401) Elapsed Process: 212ms (95% in [208ms, 215ms]) Measurable effect: 6ms (0.6 SDs) Kernel time: 3ms (95% in [2ms, 5ms]) Measurable effect: 2ms (0.6 SDs) (required sample size for an effect of 5% of stdev: 6400) CPU Time: 347ms (95% in [330ms, 365ms]) Measurable effect: 34ms (0.6 SDs) (required sample size for an effect of 5% of mean: 202) Hard Page Faults: 0 (95% in [0, 0]) Soft Page Faults: 107 (95% in [66, 148]) Measurable effect: 81 (0.6 SDs) (required sample size for an effect of 5% of stdev: 6401) Text Size: 0 (95% in [0, 0]) Data Size: 0 (95% in [0, 0]) Library Size: 1.28M (95% in [-1.29M, 3.85M]) Measurable effect: 5.12M (0.6 SDs) (required sample size for an effect of 5% of stdev: 6401) !SESSION 2020-09-03 03:41:01.481 ----------------------------------------------- eclipse.buildId=4.17.0.I20200902-1800 java.version=11.0.7 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -application org.eclipse.test.uitestapplication formatter=org.apache.tools.ant.taskdefs.optional.junit.XMLJUnitResultFormatter,/home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/test-eclipse/eclipse/org.eclipse.ua.tests.AllPerformanceTests.xml -testPluginName org.eclipse.ua.tests -className org.eclipse.ua.tests.AllPerformanceTests -timeout 7200000 -junitReportOutput /home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/results/ep417I-perf-lin64_linux.gtk.x86_64_11 Command-line arguments: -application org.eclipse.test.uitestapplication -data /home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/test-eclipse/eclipse/ua_performance_folder formatter=org.apache.tools.ant.taskdefs.optional.junit.XMLJUnitResultFormatter,/home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/test-eclipse/eclipse/org.eclipse.ua.tests.AllPerformanceTests.xml -testPluginName org.eclipse.ua.tests -className org.eclipse.ua.tests.AllPerformanceTests -os linux -ws gtk -arch x86_64 -consolelog -timeout 7200000 -junitReportOutput /home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/results/ep417I-perf-lin64_linux.gtk.x86_64_11 This is a continuation of log file /home/genie.releng/jenkins/workspace/ep417I-perf-lin64/workarea/I20200902-1800/eclipse-testing/test-eclipse/eclipse/ua_performance_folder/.metadata/.bak_1.log Created Time: 2020-09-03 03:41:47.654 !ENTRY org.eclipse.test.performance 1 0 2020-09-03 03:41:47.654 !MESSAGE refkeys was: {jvm=11, build=R-4.16-202006040540-202009021800, config=linux.gtk.x86_64} based on eclipse.perf.assertAgainst being set to build=R-4.16-202006040540-202009021800;config=linux.gtk.x86_64;jvm=11; !ENTRY org.eclipse.test.performance 2 0 2020-09-03 03:41:47.657 !MESSAGE no session data named '{jvm=11, build=I20200902-1800, config=linux.gtk.x86_64}' found Scenario 'org.eclipse.ua.tests.help.performance.TocAssemblePerformanceTest#testTocAssemble()' (average over 98 samples): System Time: 36ms (95% in [35ms, 38ms]) Measurable effect: 3ms (0.4 SDs) (required sample size for an effect of 5% of mean: 381) Used Java Heap: -282.78K (95% in [-11.28M, 10.73M]) Measurable effect: 22.18M (0.4 SDs) (required sample size for an effect of 5% of stdev: 6401) Working Set: 69.1K (95% in [-6.59K, 144.79K]) Measurable effect: 152.55K (0.4 SDs) (required sample size for an effect of 5% of stdev: 6401) Elapsed Process: 36ms (95% in [35ms, 38ms]) Measurable effect: 3ms (0.4 SDs) (required sample size for an effect of 5% of mean: 381) Kernel time: 5ms (95% in [4ms, 6ms]) Measurable effect: 2ms (0.4 SDs) (required sample size for an effect of 5% of mean: 6208) CPU Time: 71ms (95% in [68ms, 75ms]) Measurable effect: 7ms (0.4 SDs) (required sample size for an effect of 5% of mean: 421) Hard Page Faults: 0 (95% in [0, 0]) Soft Page Faults: 19 (95% in [0, 39]) Measurable effect: 40 (0.4 SDs) (required sample size for an effect of 5% of stdev: 6400) Text Size: 0 (95% in [0, 0]) Data Size: 0 (95% in [0, 0]) Library Size: -449.63K (95% in [-1.12M, 250.28K]) Measurable effect: 1.38M (0.4 SDs) (required sample size for an effect of 5% of stdev: 6400) !ENTRY org.eclipse.test.performance 1 0 2020-09-03 03:41:51.480 !MESSAGE refkeys was: {jvm=11, build=R-4.16-202006040540-202009021800, config=linux.gtk.x86_64} based on eclipse.perf.assertAgainst being set to build=R-4.16-202006040540-202009021800;config=linux.gtk.x86_64;jvm=11; !ENTRY org.eclipse.test.performance 2 0 2020-09-03 03:41:51.485 !MESSAGE no session data named '{jvm=11, build=I20200902-1800, config=linux.gtk.x86_64}' found Scenario 'org.eclipse.ua.tests.help.performance.IndexAssemblePerformanceTest#testIndexAssemble()' (average over 9 samples): System Time: 187ms (95% in [172ms, 202ms]) Measurable effect: 26ms (1.3 SDs) (required sample size for an effect of 5% of mean: 70) Used Java Heap: -3.35M (95% in [-76.65M, 69.94M]) Measurable effect: 127.14M (1.3 SDs) (required sample size for an effect of 5% of stdev: 6401) Working Set: 677.33K (95% in [-862.81K, 2.17M]) Measurable effect: 2.61M (1.3 SDs) (required sample size for an effect of 5% of stdev: 6401) Elapsed Process: 187ms (95% in [172ms, 202ms]) Measurable effect: 26ms (1.3 SDs) (required sample size for an effect of 5% of mean: 70) Kernel time: 2ms (95% in [-1ms, 5ms]) Measurable effect: 5ms (1.3 SDs) (required sample size for an effect of 5% of stdev: 6400) CPU Time: 370ms (95% in [338ms, 401ms]) Measurable effect: 55ms (1.3 SDs) (required sample size for an effect of 5% of mean: 81) Hard Page Faults: 0 (95% in [0, 0]) Soft Page Faults: 184 (95% in [-216, 586]) Measurable effect: 696 (1.3 SDs) (required sample size for an effect of 5% of stdev: 6400) Text Size: 0 (95% in [0, 0]) Data Size: 0 (95% in [0, 0]) Library Size: 0 (95% in [0, 0]) !ENTRY org.eclipse.test.performance 1 0 2020-09-03 03:41:53.501 !MESSAGE refkeys was: {jvm=11, build=R-4.16-202006040540-202009021800, config=linux.gtk.x86_64} based on eclipse.perf.assertAgainst being set to build=R-4.16-202006040540-202009021800;config=linux.gtk.x86_64;jvm=11; !ENTRY org.eclipse.test.performance 2 0 2020-09-03 03:41:53.504 !MESSAGE no session data named '{jvm=11, build=I20200902-1800, config=linux.gtk.x86_64}' found Scenario 'org.eclipse.ua.tests.help.performance.BuildHtmlSearchIndex#testCreateHtmlSearchIndex()' (average over 100 samples): System Time: 360ms (95% in [343ms, 377ms]) Measurable effect: 34ms (0.4 SDs) (required sample size for an effect of 5% of mean: 360) Used Java Heap: 354.71K (95% in [-11.92M, 12.61M]) Measurable effect: 24.73M (0.4 SDs) (required sample size for an effect of 5% of stdev: 6400) Working Set: 84.92K (95% in [59.32K, 110.52K]) Measurable effect: 51.61K (0.4 SDs) (required sample size for an effect of 5% of stdev: 6400) Elapsed Process: 360ms (95% in [343ms, 377ms]) Measurable effect: 34ms (0.4 SDs) (required sample size for an effect of 5% of mean: 360) Kernel time: 25ms (95% in [24ms, 27ms]) Measurable effect: 2ms (0.4 SDs) (required sample size for an effect of 5% of mean: 503) CPU Time: 410ms (95% in [391ms, 428ms]) Measurable effect: 37ms (0.4 SDs) (required sample size for an effect of 5% of mean: 335) Hard Page Faults: 0 (95% in [0, 0]) Soft Page Faults: 53 (95% in [45, 61]) Measurable effect: 15 (0.4 SDs) (required sample size for an effect of 5% of mean: 3465) Text Size: 0 (95% in [0, 0]) Data Size: 0 (95% in [0, 0]) Library Size: -61.56K (95% in [-229.58K, 106.46K]) Measurable effect: 338.72K (0.4 SDs) (required sample size for an effect of 5% of stdev: 6401) !ENTRY org.eclipse.test.performance 1 0 2020-09-03 03:42:31.293 !MESSAGE refkeys was: {jvm=11, build=R-4.16-202006040540-202009021800, config=linux.gtk.x86_64} based on eclipse.perf.assertAgainst being set to build=R-4.16-202006040540-202009021800;config=linux.gtk.x86_64;jvm=11; !ENTRY org.eclipse.test.performance 2 0 2020-09-03 03:42:31.297 !MESSAGE no session data named '{jvm=11, build=I20200902-1800, config=linux.gtk.x86_64}' found Scenario 'org.eclipse.ua.tests.help.performance.HelpServerTest#testServletRead100x()' (average over 98 samples): System Time: 50ms (95% in [46ms, 53ms]) Measurable effect: 7ms (0.4 SDs) (required sample size for an effect of 5% of mean: 870) Used Java Heap: 226.5K (95% in [-10.28M, 10.73M]) Measurable effect: 21.17M (0.4 SDs) (required sample size for an effect of 5% of stdev: 6400) Working Set: 46.2K (95% in [17.44K, 74.97K]) Measurable effect: 57.97K (0.4 SDs) (required sample size for an effect of 5% of stdev: 6400) Elapsed Process: 50ms (95% in [46ms, 53ms]) Measurable effect: 7ms (0.4 SDs) (required sample size for an effect of 5% of mean: 870) Kernel time: 7ms (95% in [6ms, 8ms]) Measurable effect: 1ms (0.4 SDs) (required sample size for an effect of 5% of mean: 2984) CPU Time: 96ms (95% in [88ms, 103ms]) Measurable effect: 14ms (0.4 SDs) (required sample size for an effect of 5% of mean: 945) Hard Page Faults: 0 (95% in [0, 0]) Soft Page Faults: 15 (95% in [5, 25]) Measurable effect: 19 (0.4 SDs) (required sample size for an effect of 5% of stdev: 6400) Text Size: 0 (95% in [0, 0]) Data Size: 0 (95% in [0, 0]) Library Size: 0 (95% in [0, 0]) !ENTRY org.eclipse.test.performance 1 0 2020-09-03 03:42:37.913 !MESSAGE refkeys was: {jvm=11, build=R-4.16-202006040540-202009021800, config=linux.gtk.x86_64} based on eclipse.perf.assertAgainst being set to build=R-4.16-202006040540-202009021800;config=linux.gtk.x86_64;jvm=11; !ENTRY org.eclipse.test.performance 2 0 2020-09-03 03:42:37.916 !MESSAGE no session data named '{jvm=11, build=I20200902-1800, config=linux.gtk.x86_64}' found Scenario 'org.eclipse.ua.tests.help.performance.HelpServerTest#testStartServer()' (average over 23 samples): System Time: 148ms (95% in [133ms, 163ms]) Measurable effect: 29ms (0.8 SDs) (required sample size for an effect of 5% of mean: 351) Used Java Heap: -1.59M (95% in [-31.71M, 28.53M]) Measurable effect: 58.1M (0.8 SDs) (required sample size for an effect of 5% of stdev: 6400) Working Set: 109.56K (95% in [59.73K, 159.4K]) Measurable effect: 96.12K (0.8 SDs) (required sample size for an effect of 5% of stdev: 6400) Elapsed Process: 148ms (95% in [133ms, 163ms]) Measurable effect: 29ms (0.8 SDs) (required sample size for an effect of 5% of mean: 351) Kernel time: 10ms (95% in [8ms, 12ms]) Measurable effect: 3ms (0.8 SDs) (required sample size for an effect of 5% of mean: 1325) CPU Time: 287ms (95% in [257ms, 318ms]) Measurable effect: 58ms (0.8 SDs) (required sample size for an effect of 5% of mean: 382) Hard Page Faults: 0 (95% in [0, 0]) Soft Page Faults: 240 (95% in [223, 258]) Measurable effect: 32 (0.8 SDs) (required sample size for an effect of 5% of mean: 172) Text Size: 0 (95% in [0, 0]) Data Size: 0 (95% in [0, 0]) Library Size: 89.04K (95% in [-95.62K, 273.71K]) Measurable effect: 356.17K (0.8 SDs) (required sample size for an effect of 5% of stdev: 6401) !ENTRY org.eclipse.test.performance 1 0 2020-09-03 03:42:42.269 !MESSAGE refkeys was: {jvm=11, build=R-4.16-202006040540-202009021800, config=linux.gtk.x86_64} based on eclipse.perf.assertAgainst being set to build=R-4.16-202006040540-202009021800;config=linux.gtk.x86_64;jvm=11; !ENTRY org.eclipse.test.performance 2 0 2020-09-03 03:42:42.273 !MESSAGE no session data named '{jvm=11, build=I20200902-1800, config=linux.gtk.x86_64}' found no new datapoints in DB disconnecting from DB