!SESSION 2020-06-04 16:18:40.692 ----------------------------------------------- eclipse.buildId=4.16.0.I20200604-0540 java.version=1.8.0_201 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/ep416I-perf-lin64/workarea/I20200604-0540/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/ep416I-perf-lin64/workarea/I20200604-0540/eclipse-testing/results/ep416I-perf-lin64_linux.gtk.x86_64_8.0 Command-line arguments: -application org.eclipse.test.uitestapplication -data /home/genie.releng/jenkins/workspace/ep416I-perf-lin64/workarea/I20200604-0540/eclipse-testing/test-eclipse/eclipse/ua_performance_folder formatter=org.apache.tools.ant.taskdefs.optional.junit.XMLJUnitResultFormatter,/home/genie.releng/jenkins/workspace/ep416I-perf-lin64/workarea/I20200604-0540/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/ep416I-perf-lin64/workarea/I20200604-0540/eclipse-testing/results/ep416I-perf-lin64_linux.gtk.x86_64_8.0 !ENTRY org.eclipse.e4.ui.workbench3 1 0 2020-06-04 16:18:50.136 !MESSAGE starting DumpStackTracesTimer with timeout=7080000 at 2020-06-04 16:18:50 +0000 !ENTRY org.eclipse.urischeme 4 0 2020-06-04 16:18:50.178 !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:107) at org.eclipse.urischeme.internal.registration.RegistrationLinux.changeDesktopFile(RegistrationLinux.java:90) at org.eclipse.urischeme.internal.registration.RegistrationLinux.handleSchemes(RegistrationLinux.java:56) at org.eclipse.urischeme.AutoRegisterSchemeHandlersJob.run(AutoRegisterSchemeHandlersJob.java:70) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Scenario 'org.eclipse.ua.tests.cheatsheet.performance.OpenCheatSheetTest#testOpenSimpleCheatSheet()' (average over 50 samples): System Time: 333ms (95% in [325ms, 340ms]) Measurable effect: 15ms (0.6 SDs) Used Java Heap: 13.33K (95% in [-14.23M, 14.26M]) Measurable effect: 28.36M (0.6 SDs) (required sample size for an effect of 5% of stdev: 6401) Working Set: 2.93M (95% in [1.43M, 4.42M]) Measurable effect: 2.98M (0.6 SDs) (required sample size for an effect of 5% of stdev: 6400) Elapsed Process: 333ms (95% in [325ms, 340ms]) Measurable effect: 15ms (0.6 SDs) Kernel time: 9ms (95% in [7ms, 11ms]) Measurable effect: 4ms (0.6 SDs) (required sample size for an effect of 5% of mean: 5148) CPU Time: 528ms (95% in [498ms, 558ms]) Measurable effect: 59ms (0.6 SDs) (required sample size for an effect of 5% of mean: 254) Hard Page Faults: 0 (95% in [0, 0]) Soft Page Faults: 911 (95% in [508, 1.31K]) Measurable effect: 803 (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: 50.88K (95% in [-102.62K, 204.38K]) Measurable effect: 305.54K (0.6 SDs) (required sample size for an effect of 5% of stdev: 6401) !ENTRY org.eclipse.test.performance 1 0 2020-06-04 16:19:12.061 !MESSAGE refkeys was: {config=linux.gtk.x86_64, build=R-4.15-202003050155-202006040540, jvm=8.0} based on eclipse.perf.assertAgainst being set to build=R-4.15-202003050155-202006040540;config=linux.gtk.x86_64;jvm=8.0; !ENTRY org.eclipse.test.performance 2 0 2020-06-04 16:19:12.065 !MESSAGE no session data named '{config=linux.gtk.x86_64, build=I20200604-0540, jvm=8.0}' found !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:12.620 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:12.623 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:12.911 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:12.913 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:13.193 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:13.195 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:13.472 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:13.474 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:13.726 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:13.728 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:14.001 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:14.003 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:14.285 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:14.288 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:14.553 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:14.555 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:14.841 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:14.843 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:15.113 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:15.115 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:15.375 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:15.377 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:15.627 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:15.629 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:15.900 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:15.903 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:16.182 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:16.184 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:16.459 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:16.462 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:16.733 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:16.735 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:17.000 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:17.002 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:17.277 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:17.279 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:17.527 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:17.528 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:17.791 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:17.793 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:18.050 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:18.051 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:18.312 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:18.314 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:18.559 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:18.561 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:18.811 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:18.813 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:19.080 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:19.082 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:19.354 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:19.356 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:19.628 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !SESSION 2020-06-04 16:18:40.692 ----------------------------------------------- eclipse.buildId=4.16.0.I20200604-0540 java.version=1.8.0_201 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/ep416I-perf-lin64/workarea/I20200604-0540/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/ep416I-perf-lin64/workarea/I20200604-0540/eclipse-testing/results/ep416I-perf-lin64_linux.gtk.x86_64_8.0 Command-line arguments: -application org.eclipse.test.uitestapplication -data /home/genie.releng/jenkins/workspace/ep416I-perf-lin64/workarea/I20200604-0540/eclipse-testing/test-eclipse/eclipse/ua_performance_folder formatter=org.apache.tools.ant.taskdefs.optional.junit.XMLJUnitResultFormatter,/home/genie.releng/jenkins/workspace/ep416I-perf-lin64/workarea/I20200604-0540/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/ep416I-perf-lin64/workarea/I20200604-0540/eclipse-testing/results/ep416I-perf-lin64_linux.gtk.x86_64_8.0 This is a continuation of log file /home/genie.releng/jenkins/workspace/ep416I-perf-lin64/workarea/I20200604-0540/eclipse-testing/test-eclipse/eclipse/ua_performance_folder/.metadata/.bak_0.log Created Time: 2020-06-04 16:19:19.630 !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:19.631 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:19.902 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:19.903 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:20.151 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:20.153 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:20.408 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:20.410 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:20.693 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:20.694 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:20.970 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:20.971 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:21.224 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:21.225 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:21.503 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:21.505 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:21.755 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:21.756 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:22.004 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:22.006 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:22.262 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:22.264 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:22.533 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:22.535 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:22.790 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:22.792 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:23.126 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:23.128 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:23.399 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:23.400 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:23.645 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:23.646 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:23.921 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:23.923 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:24.175 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:24.177 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:24.434 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:24.436 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:24.709 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:24.710 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:24.967 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:24.968 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:25.225 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:25.227 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:25.477 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:25.479 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:25.745 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:25.746 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:26.012 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:26.014 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:26.272 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) 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:1323) 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:536) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) at org.eclipse.core.launcher.Main.main(Main.java:44) !ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2020-06-04 16:19:26.274 !MESSAGE Widget is disposed !STACK 0 org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4723) at org.eclipse.swt.SWT.error(SWT.java:4638) at org.eclipse.swt.SWT.error(SWT.java:4609) at org.eclipse.swt.widgets.Widget.error(Widget.java:550) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:470) at org.eclipse.swt.widgets.Control.setBackground(Control.java:4953) 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$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:443) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:374) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.lambda$0(AbstractCSSEngine.java:258) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.processNodeList(AbstractCSSEngine.java:257) at org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.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:1323) 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:538) at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:5795) 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:730) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:683) 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:5685) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1423) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1449) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1432) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2102) at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2065) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:4679) at org.eclipse.swt.widgets.Control.gtk_event_after(Control.java:3755) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2247) at org.eclipse.swt.widgets.Control.windowProc(Control.java:6659) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5919) at org.eclipse.swt.internal.gtk.GTK.gtk_widget_grab_focus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2895) at org.eclipse.swt.widgets.Composite.forceFocus(Composite.java:682) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:2888) at org.eclipse.swt.widgets.Control.setFocus(Control.java:5294) at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1613) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:332) at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4587) at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1516) at org.eclipse.swt.widgets.Widget.release(Widget.java:1252) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1502) at org.eclipse.swt.widgets.Widget.release(Widget.java:1243) at org.eclipse.swt.widgets.Control.release(Control.java:4564) 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:150) 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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:82) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:73) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248) at org.junit.platform.launcher.core.DefaultLauncher.lambda$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:4928) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4449) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1158) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1047) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:658) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) 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:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 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:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420) 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: 215ms (95% in [212ms, 217ms]) Measurable effect: 5ms (0.6 SDs) Used Java Heap: -2.56M (95% in [-17.43M, 12.31M]) Measurable effect: 29.6M (0.6 SDs) (required sample size for an effect of 5% of stdev: 6401) Working Set: 385.28K (95% in [101.55K, 669.01K]) Measurable effect: 564.75K (0.6 SDs) (required sample size for an effect of 5% of stdev: 6401) Elapsed Process: 215ms (95% in [212ms, 217ms]) Measurable effect: 5ms (0.6 SDs) Kernel time: 3ms (95% in [2ms, 4ms]) Measurable effect: 2ms (0.6 SDs) (required sample size for an effect of 5% of stdev: 6400) CPU Time: 304ms (95% in [285ms, 322ms]) Measurable effect: 36ms (0.6 SDs) (required sample size for an effect of 5% of mean: 288) Hard Page Faults: 0 (95% in [0, 0]) Soft Page Faults: 132 (95% in [63, 201]) Measurable effect: 137 (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: 1.32M (95% in [-1.25M, 3.89M]) Measurable effect: 5.12M (0.6 SDs) (required sample size for an effect of 5% of stdev: 6400) !ENTRY org.eclipse.test.performance 1 0 2020-06-04 16:19:26.419 !MESSAGE refkeys was: {config=linux.gtk.x86_64, build=R-4.15-202003050155-202006040540, jvm=8.0} based on eclipse.perf.assertAgainst being set to build=R-4.15-202003050155-202006040540;config=linux.gtk.x86_64;jvm=8.0; !ENTRY org.eclipse.test.performance 2 0 2020-06-04 16:19:26.423 !MESSAGE no session data named '{config=linux.gtk.x86_64, build=I20200604-0540, jvm=8.0}' found Scenario 'org.eclipse.ua.tests.help.performance.TocAssemblePerformanceTest#testTocAssemble()' (average over 98 samples): System Time: 35ms (95% in [33ms, 36ms]) Measurable effect: 3ms (0.4 SDs) (required sample size for an effect of 5% of mean: 299) Used Java Heap: -795.67K (95% in [-11.75M, 10.2M]) Measurable effect: 22.11M (0.4 SDs) (required sample size for an effect of 5% of stdev: 6400) Working Set: 96.16K (95% in [2.01K, 190.32K]) Measurable effect: 189.76K (0.4 SDs) (required sample size for an effect of 5% of stdev: 6401) Elapsed Process: 35ms (95% in [33ms, 36ms]) Measurable effect: 3ms (0.4 SDs) (required sample size for an effect of 5% of mean: 299) 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: 57ms (95% in [53ms, 62ms]) Measurable effect: 9ms (0.4 SDs) (required sample size for an effect of 5% of mean: 1100) Hard Page Faults: 0 (95% in [0, 0]) Soft Page Faults: 23 (95% in [1, 46]) Measurable effect: 44 (0.4 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: -449.63K (95% in [-1.31M, 442.75K]) Measurable effect: 1.76M (0.4 SDs) (required sample size for an effect of 5% of stdev: 6400) !ENTRY org.eclipse.test.performance 1 0 2020-06-04 16:19:30.078 !MESSAGE refkeys was: {config=linux.gtk.x86_64, build=R-4.15-202003050155-202006040540, jvm=8.0} based on eclipse.perf.assertAgainst being set to build=R-4.15-202003050155-202006040540;config=linux.gtk.x86_64;jvm=8.0; !ENTRY org.eclipse.test.performance 2 0 2020-06-04 16:19:30.082 !MESSAGE no session data named '{config=linux.gtk.x86_64, build=I20200604-0540, jvm=8.0}' found Scenario 'org.eclipse.ua.tests.help.performance.IndexAssemblePerformanceTest#testIndexAssemble()' (average over 9 samples): System Time: 129ms (95% in [120ms, 138ms]) Measurable effect: 15ms (1.3 SDs) (required sample size for an effect of 5% of mean: 49) Used Java Heap: -1.35M (95% in [-94.56M, 91.86M]) Measurable effect: 161.69M (1.3 SDs) (required sample size for an effect of 5% of stdev: 6401) Working Set: 343.55K (95% in [-180.76K, 867.87K]) Measurable effect: 909.48K (1.3 SDs) (required sample size for an effect of 5% of stdev: 6400) Elapsed Process: 129ms (95% in [120ms, 138ms]) Measurable effect: 15ms (1.3 SDs) (required sample size for an effect of 5% of mean: 49) Kernel time: 1ms (95% in [-1ms, 3ms]) Measurable effect: 4ms (1.3 SDs) (required sample size for an effect of 5% of stdev: 6401) CPU Time: 188ms (95% in [136ms, 241ms]) Measurable effect: 90ms (1.3 SDs) (required sample size for an effect of 5% of mean: 832) Hard Page Faults: 0 (95% in [0, 0]) Soft Page Faults: 85 (95% in [-43, 214]) Measurable effect: 223 (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 2020-06-04 16:19:31.519 !MESSAGE refkeys was: {config=linux.gtk.x86_64, build=R-4.15-202003050155-202006040540, jvm=8.0} based on eclipse.perf.assertAgainst being set to build=R-4.15-202003050155-202006040540;config=linux.gtk.x86_64;jvm=8.0; !ENTRY org.eclipse.test.performance 2 0 2020-06-04 16:19:31.523 !MESSAGE no session data named '{config=linux.gtk.x86_64, build=I20200604-0540, jvm=8.0}' found Scenario 'org.eclipse.ua.tests.help.performance.BuildHtmlSearchIndex#testCreateHtmlSearchIndex()' (average over 100 samples): System Time: 385ms (95% in [367ms, 403ms]) Measurable effect: 36ms (0.4 SDs) (required sample size for an effect of 5% of mean: 364) Used Java Heap: -2.61M (95% in [-19.03M, 13.81M]) Measurable effect: 33.1M (0.4 SDs) (required sample size for an effect of 5% of stdev: 6400) Working Set: 258.64K (95% in [75.02K, 442.26K]) Measurable effect: 370.17K (0.4 SDs) (required sample size for an effect of 5% of stdev: 6401) Elapsed Process: 385ms (95% in [367ms, 403ms]) Measurable effect: 36ms (0.4 SDs) (required sample size for an effect of 5% of mean: 364) Kernel time: 38ms (95% in [36ms, 40ms]) Measurable effect: 4ms (0.4 SDs) (required sample size for an effect of 5% of mean: 455) CPU Time: 389ms (95% in [371ms, 408ms]) Measurable effect: 37ms (0.4 SDs) (required sample size for an effect of 5% of mean: 369) Hard Page Faults: 0 (95% in [0, 0]) Soft Page Faults: 87 (95% in [40, 135]) Measurable effect: 96 (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: -61.48K (95% in [-229.5K, 106.54K]) Measurable effect: 338.72K (0.4 SDs) (required sample size for an effect of 5% of stdev: 6400) !ENTRY org.eclipse.test.performance 1 0 2020-06-04 16:20:12.168 !MESSAGE refkeys was: {config=linux.gtk.x86_64, build=R-4.15-202003050155-202006040540, jvm=8.0} based on eclipse.perf.assertAgainst being set to build=R-4.15-202003050155-202006040540;config=linux.gtk.x86_64;jvm=8.0; !ENTRY org.eclipse.test.performance 2 0 2020-06-04 16:20:12.172 !MESSAGE no session data named '{config=linux.gtk.x86_64, build=I20200604-0540, jvm=8.0}' 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: 953) Used Java Heap: 499.45K (95% in [-12.6M, 13.57M]) Measurable effect: 26.37M (0.4 SDs) (required sample size for an effect of 5% of stdev: 6401) Working Set: 152.86K (95% in [7.17K, 298.54K]) Measurable effect: 293.62K (0.4 SDs) (required sample size for an effect of 5% of stdev: 6401) Elapsed Process: 50ms (95% in [46ms, 53ms]) Measurable effect: 7ms (0.4 SDs) (required sample size for an effect of 5% of mean: 953) Kernel time: 7ms (95% in [6ms, 8ms]) Measurable effect: 2ms (0.4 SDs) (required sample size for an effect of 5% of mean: 2700) CPU Time: 91ms (95% in [83ms, 99ms]) Measurable effect: 15ms (0.4 SDs) (required sample size for an effect of 5% of mean: 1170) Hard Page Faults: 0 (95% in [0, 0]) Soft Page Faults: 46 (95% in [4, 88]) Measurable effect: 84 (0.4 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: -31.84K (95% in [-95.1K, 31.43K]) Measurable effect: 127.51K (0.4 SDs) (required sample size for an effect of 5% of stdev: 6400) !ENTRY org.eclipse.test.performance 1 0 2020-06-04 16:20:18.749 !MESSAGE refkeys was: {config=linux.gtk.x86_64, build=R-4.15-202003050155-202006040540, jvm=8.0} based on eclipse.perf.assertAgainst being set to build=R-4.15-202003050155-202006040540;config=linux.gtk.x86_64;jvm=8.0; !ENTRY org.eclipse.test.performance 2 0 2020-06-04 16:20:18.755 !MESSAGE no session data named '{config=linux.gtk.x86_64, build=I20200604-0540, jvm=8.0}' found Scenario 'org.eclipse.ua.tests.help.performance.HelpServerTest#testStartServer()' (average over 23 samples): System Time: 165ms (95% in [150ms, 180ms]) Measurable effect: 29ms (0.8 SDs) (required sample size for an effect of 5% of mean: 284) Used Java Heap: 5.69M (95% in [-31.13M, 42.51M]) Measurable effect: 71.01M (0.8 SDs) (required sample size for an effect of 5% of stdev: 6401) Working Set: 1.22M (95% in [-283.8K, 2.71M]) Measurable effect: 2.88M (0.8 SDs) (required sample size for an effect of 5% of stdev: 6400) Elapsed Process: 165ms (95% in [150ms, 180ms]) Measurable effect: 29ms (0.8 SDs) (required sample size for an effect of 5% of mean: 284) Kernel time: 12ms (95% in [9ms, 14ms]) Measurable effect: 4ms (0.8 SDs) (required sample size for an effect of 5% of mean: 1161) CPU Time: 323ms (95% in [295ms, 351ms]) Measurable effect: 54ms (0.8 SDs) (required sample size for an effect of 5% of mean: 263) Hard Page Faults: 0 (95% in [0, 0]) Soft Page Faults: 514 (95% in [125, 902]) Measurable effect: 749 (0.8 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: 95.3K (95% in [-89.23K, 279.84K]) Measurable effect: 355.92K (0.8 SDs) (required sample size for an effect of 5% of stdev: 6400) !ENTRY org.eclipse.test.performance 1 0 2020-06-04 16:20:23.429 !MESSAGE refkeys was: {config=linux.gtk.x86_64, build=R-4.15-202003050155-202006040540, jvm=8.0} based on eclipse.perf.assertAgainst being set to build=R-4.15-202003050155-202006040540;config=linux.gtk.x86_64;jvm=8.0; !ENTRY org.eclipse.test.performance 2 0 2020-06-04 16:20:23.441 !MESSAGE no session data named '{config=linux.gtk.x86_64, build=I20200604-0540, jvm=8.0}' found no new datapoints in DB disconnecting from DB