reflectNestedClassUseDollar=true based on version=1.8.0_181
Problem : A cycle was detected in the build path of project 'P1'. The cycle consists of projects {P1, P2} [ resource : </P1> range : <-1,-1> category : <10> severity : <2>]
Problem : A cycle was detected in the build path of project 'P2'. The cycle consists of projects {P1, P2} [ resource : </P2> range : <-1,-1> category : <10> severity : <2>]
Problem : The project cannot be built until build path errors are resolved [ resource : </P1> range : <-1,-1> category : <10> severity : <2>]
Problem : The project cannot be built until build path errors are resolved [ resource : </P2> range : <-1,-1> category : <10> severity : <2>]

!SESSION 2019-03-08 00:27:51.643 -----------------------------------------------
eclipse.buildId=4.11.0.I20190307-0500
java.version=1.8.0_181
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Framework arguments:  -application org.eclipse.test.coretestapplication formatter=org.apache.tools.ant.taskdefs.optional.junit.XMLJUnitResultFormatter,C:\jenkins_agent\workspace\ep411I-unit-win32-java8/workarea/I20190307-0500/eclipse-testing/test-eclipse/eclipse/org.eclipse.jdt.core.tests.builder.BuilderTests.xml -testPluginName org.eclipse.jdt.core.tests.builder -className org.eclipse.jdt.core.tests.builder.BuilderTests -timeout 7200000 -junitReportOutput C:\jenkins_agent\workspace\ep411I-unit-win32-java8\workarea\I20190307-0500\eclipse-testing\results\ep411I-unit-win32-java8_win32.win32.x86_64_8.0
Command-line arguments:  -application org.eclipse.test.coretestapplication -data C:\jenkins_agent\workspace\ep411I-unit-win32-java8/workarea/I20190307-0500/eclipse-testing/test-eclipse/eclipse/jdt_builder_folder formatter=org.apache.tools.ant.taskdefs.optional.junit.XMLJUnitResultFormatter,C:\jenkins_agent\workspace\ep411I-unit-win32-java8/workarea/I20190307-0500/eclipse-testing/test-eclipse/eclipse/org.eclipse.jdt.core.tests.builder.BuilderTests.xml -testPluginName org.eclipse.jdt.core.tests.builder -className org.eclipse.jdt.core.tests.builder.BuilderTests -os win32 -ws win32 -arch x86_64 -consolelog -timeout 7200000 -junitReportOutput C:\jenkins_agent\workspace\ep411I-unit-win32-java8\workarea\I20190307-0500\eclipse-testing\results\ep411I-unit-win32-java8_win32.win32.x86_64_8.0

!ENTRY org.eclipse.core.resources 4 368 2019-03-08 00:30:20.756
!MESSAGE Resource '/P1' does not exist.
!STACK 0
java.lang.Exception: Resource '/P1' does not exist.
	at org.eclipse.core.internal.resources.ResourceException.provideStackTrace(ResourceException.java:42)
	at org.eclipse.core.internal.resources.ResourceException.<init>(ResourceException.java:38)
	at org.eclipse.core.internal.resources.Resource.checkExists(Resource.java:330)
	at org.eclipse.core.internal.resources.Resource.checkAccessible(Resource.java:204)
	at org.eclipse.core.internal.resources.Project.checkAccessible(Project.java:145)
	at org.eclipse.core.internal.resources.Resource.checkAccessibleAndLocal(Resource.java:210)
	at org.eclipse.core.internal.resources.Resource.touch(Resource.java:1739)
	at org.eclipse.core.internal.resources.Project.touch(Project.java:1321)
	at org.eclipse.jdt.internal.core.JavaModelManager$14.runInWorkspace(JavaModelManager.java:3405)
	at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:42)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

!ENTRY org.eclipse.core.resources 2 10035 2019-03-08 00:31:45.407
!MESSAGE The workspace will exit with unsaved changes in this session.