reflectNestedClassUseDollar=false based on version=1.8.0_51
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 2018-09-06 19:10:12.249 -----------------------------------------------
eclipse.buildId=4.9.0.I20180906-0745
java.version=1.8.0_51
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Framework arguments:  -application org.eclipse.test.coretestapplication formatter=org.apache.tools.ant.taskdefs.optional.junit.XMLJUnitResultFormatter,c:\shared_hudson\workspace\ep49I-unit-win32/workarea/I20180906-0745/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:\shared_hudson\workspace\ep49I-unit-win32\workarea\I20180906-0745\eclipse-testing\results\ep49I-unit-win32_win32.win32.x86_8.0
Command-line arguments:  -application org.eclipse.test.coretestapplication -data c:\shared_hudson\workspace\ep49I-unit-win32/workarea/I20180906-0745/eclipse-testing/test-eclipse/eclipse/jdt_builder_folder formatter=org.apache.tools.ant.taskdefs.optional.junit.XMLJUnitResultFormatter,c:\shared_hudson\workspace\ep49I-unit-win32/workarea/I20180906-0745/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 -consolelog -timeout 7200000 -junitReportOutput c:\shared_hudson\workspace\ep49I-unit-win32\workarea\I20180906-0745\eclipse-testing\results\ep49I-unit-win32_win32.win32.x86_8.0

!ENTRY org.eclipse.core.resources 2 10035 2018-09-06 19:13:19.401
!MESSAGE The workspace will exit with unsaved changes in this session.