Description Stephan Herrmann 2011-12-20 12:07:06 EST

When running JDT/Core tests in the IDE I intermittently see some
exceptions in JavaProjectTests, not sure it's always the same,
but this time I see this in testPackageFragmentRootNonJavaResources8:

java.lang.IllegalArgumentException: Element not found: /.org.eclipse.jdt.core.external.folders/.link9.
	at org.eclipse.core.internal.watson.ElementTree.elementNotFound(ElementTree.java:256)
	at org.eclipse.core.internal.watson.ElementTree.createElement(ElementTree.java:184)
	at org.eclipse.core.internal.resources.Workspace.createResource(Workspace.java:1369)
	at org.eclipse.core.internal.resources.Workspace.createResource(Workspace.java:1322)
	at org.eclipse.core.internal.localstore.RefreshLocalVisitor.createResource(RefreshLocalVisitor.java:80)
	at org.eclipse.core.internal.localstore.RefreshLocalAliasVisitor.createResource(RefreshLocalAliasVisitor.java:38)
	at org.eclipse.core.internal.localstore.RefreshLocalVisitor.synchronizeExistence(RefreshLocalVisitor.java:219)
	at org.eclipse.core.internal.localstore.RefreshLocalVisitor.visit(RefreshLocalVisitor.java:293)
	at org.eclipse.core.internal.localstore.UnifiedTree.accept(UnifiedTree.java:110)
	at org.eclipse.core.internal.localstore.FileSystemResourceManager.refreshResource(FileSystemResourceManager.java:920)
	at org.eclipse.core.internal.localstore.FileSystemResourceManager.refresh(FileSystemResourceManager.java:904)
	at org.eclipse.core.internal.resources.Resource.refreshLocal(Resource.java:1694)
	at org.eclipse.core.internal.resources.Resource.createLink(Resource.java:711)
	at org.eclipse.core.internal.resources.Resource.createLink(Resource.java:647)
	at org.eclipse.jdt.internal.core.ExternalFoldersManager.createLinkFolder(ExternalFoldersManager.java:153)
	at org.eclipse.jdt.internal.core.ExternalFoldersManager.createLinkFolder(ExternalFoldersManager.java:145)
	at org.eclipse.jdt.internal.core.ExternalFolderChange.updateExternalFoldersIfNecessary(ExternalFolderChange.java:48)
	at org.eclipse.jdt.internal.core.ChangeClasspathOperation.classpathChanged(ChangeClasspathOperation.java:62)
	at org.eclipse.jdt.internal.core.SetClasspathOperation.executeOperation(SetClasspathOperation.java:74)
	at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:728)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
	at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:793)
	at org.eclipse.jdt.internal.core.JavaProject.setRawClasspath(JavaProject.java:3095)
	at org.eclipse.jdt.internal.core.JavaProject.setRawClasspath(JavaProject.java:3057)
	at org.eclipse.jdt.internal.core.JavaProject.setRawClasspath(JavaProject.java:3069)
	at org.eclipse.jdt.core.tests.model.AbstractJavaModelTests$4.run(AbstractJavaModelTests.java:1638)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2326)
	at org.eclipse.jdt.core.tests.model.AbstractJavaModelTests.createJavaProject(AbstractJavaModelTests.java:1658)
	at org.eclipse.jdt.core.tests.model.AbstractJavaModelTests.createJavaProject(AbstractJavaModelTests.java:1268)
	at org.eclipse.jdt.core.tests.model.JavaProjectTests.testPackageFragmentRootNonJavaResources8(JavaProjectTests.java:1557)

Running just JavaProjectTests several times I could not reproduce.