Description Min Idzelis 2010-03-23 00:06:32 EDT

Build Identifier: Eclipse 3.6 M6

This is REALLY hard to reproduce. It happened while opening an unzipped workspace for the first time. 

!ENTRY org.eclipse.core.jobs 4 2 2010-03-22 20:31:41.546
!MESSAGE An internal error occurred during: "Initializing Java Tooling".
!STACK 0
java.lang.IllegalArgumentException: Attempted to beginRule: MultiRule[P/mentalEJB21,P/.org.eclipse.jdt.core.external.folders], does not match outer scope rule: MultiRule[P/AddressBookEJBClient,P/.org.eclipse.jdt.core.external.folders]
	at java.lang.Throwable.<init>(Throwable.java:67)
	at org.eclipse.core.runtime.Assert.isLegal(Assert.java:62)
	at org.eclipse.core.internal.jobs.ThreadJob.illegalPush(ThreadJob.java:136)
	at org.eclipse.core.internal.jobs.ThreadJob.push(ThreadJob.java:326)
	at org.eclipse.core.internal.jobs.ImplicitJobs.begin(ImplicitJobs.java:63)
	at org.eclipse.core.internal.jobs.JobManager.beginRule(JobManager.java:285)
	at org.eclipse.core.internal.resources.WorkManager.checkIn(WorkManager.java:117)
	at org.eclipse.core.internal.resources.Workspace.prepareOperation(Workspace.java:1914)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1970)
	at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:793)
	at org.eclipse.jdt.core.JavaCore.setClasspathContainer(JavaCore.java:4833)
	at org.eclipse.jdt.internal.launching.JREContainerInitializer.initialize(JREContainerInitializer.java:69)
	at org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2695)
	at org.eclipse.jdt.internal.core.JavaModelManager$11.run(JavaModelManager.java:2601)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
	at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2641)
	at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1837)
	at org.eclipse.jdt.internal.core.ClasspathEntry.validateClasspathEntry(ClasspathEntry.java:1849)
	at org.eclipse.jdt.internal.core.ClasspathEntry.validateClasspathEntry(ClasspathEntry.java:1808)
	at org.eclipse.jdt.internal.core.ClasspathValidation.validate(ClasspathValidation.java:68)
	at org.eclipse.jdt.internal.core.ChangeClasspathOperation.classpathChanged(ChangeClasspathOperation.java:51)
	at org.eclipse.jdt.internal.core.SetContainerOperation.executeOperation(SetContainerOperation.java:113)
	at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:728)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
	at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:793)
	at org.eclipse.jdt.internal.core.JavaModelManager$11.run(JavaModelManager.java:2625)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
	at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2641)
	at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1837)
	at org.eclipse.jdt.core.JavaCore.initializeAfterLoad(JavaCore.java:3457)
	at org.eclipse.jdt.internal.ui.InitializeAfterLoadJob$RealJob.run(InitializeAfterLoadJob.java:35)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)

Reproducible: Sometimes