at org.eclipse.core.internal.resources.MarkerManager.removeMarker(MarkerManager.java:386)
	at org.eclipse.core.internal.resources.Marker.delete(Marker.java:58)
	at org.eclipse.jdt.internal.core.JavaProject.flushClasspathProblemMarkers(JavaProject.java:766)
	at org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:1317)
	at org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:1299)
	at org.eclipse.jdt.internal.core.DeltaProcessor.performPreBuildCheck(DeltaProcessor.java:121)
	at org.eclipse.jdt.internal.core.DeltaProcessor.performPreBuildCheck(DeltaProcessor.java:198)
	at org.eclipse.jdt.internal.core.JavaModelManager.resourceChanged(JavaModelManager.java:1228)
	at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:123)
	at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:784)
	at org.eclipse.core.runtime.Platform.run(Platform.java:411)
	at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:138)
	at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:62)
	at org.eclipse.core.internal.resources.Workspace.broadcastChanges(Workspace.java:133)
	at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:739)
	at org.eclipse.core.internal.resources.Resource.createMarker(Resource.java:394)
	at org.eclipse.jdt.internal.core.JavaProject.createClasspathProblemMarker(JavaProject.java:514)
	at org.eclipse.jdt.internal.core.JavaProject.updateAllCycleMarkers(JavaProject.java:2114)
	at org.eclipse.jdt.core.JavaCore.updateVariableValues(JavaCore.java:1495)
	at org.eclipse.jdt.core.JavaCore.setClasspathVariables(JavaCore.java:1285)
	at org.eclipse.jdt.tests.core.ClasspathTests.testCycleDetectionThroughVariables(ClasspathTests.java:907)