Comment 1 Nitin Dahyabhai 2008-12-15 16:03:26 EST

Stefan, is there any more information you can give, even fully qualified class named in your stack trace?  It looks like the deadlock may involve more than these threads.

Comment 2 Stefan Holzknecht 2008-12-17 03:07:05 EST

Here a copy of the stack trace with all threads expanded. I do not see any other threads involved in the lock.

org.eclipse.equinox.launcher.Main at localhost:2415 (Suspended)	
	Daemon System Thread [Attach Listener] (Suspended)	
	Daemon System Thread [Signal Dispatcher] (Suspended)	
	Daemon System Thread [Finalizer] (Suspended)	
		waiting for: ReferenceQueue$Lock  (id=73)	
		Object.wait(long) line: not available [native method]	
		ReferenceQueue<T>.remove(long) line: 116	
		ReferenceQueue<T>.remove() line: 132	
		Finalizer$FinalizerThread.run() line: 159	
	Daemon System Thread [Reference Handler] (Suspended)	
		waiting for: Reference$Lock  (id=74)	
		Object.wait(long) line: not available [native method]	
		Reference$Lock(Object).wait() line: 485	
		Reference$ReferenceHandler.run() line: 116	
	Thread [main] (Suspended)	
		owns: RunnableLock  (id=67)	
		waiting for: JavaModelManager$PerProjectInfo  (id=66)	
		JavaProject.resolveClasspath(JavaModelManager$PerProjectInfo) line: 2624	
		JavaProject.getResolvedClasspath() line: 1945	
		DeltaProcessor.deleting(IProject) line: 1002	
		DeltaProcessor.resourceChanged(IResourceChangeEvent) line: 1881	
		DeltaProcessingState.resourceChanged(IResourceChangeEvent) line: 389	
		NotificationManager$2.run() line: 288	
		SafeRunner.run(ISafeRunnable) line: 37	
		NotificationManager.notify(ResourceChangeListenerList$ListenerEntry[], IResourceChangeEvent, boolean) line: 282	
		NotificationManager.handleEvent(LifecycleEvent) line: 260	
		Workspace.broadcastEvent(LifecycleEvent) line: 307	
		Project(Resource).broadcastPreDeleteEvent() line: 1772	
		Project(Resource).delete(int, IProgressMonitor) line: 696	
		Project.delete(boolean, boolean, IProgressMonitor) line: 309	
		DeleteResourceChange.perform(IProgressMonitor) line: 131	
		CompositeChange.perform(IProgressMonitor) line: 278	
		ProcessorBasedRefactoring$ProcessorChange(CompositeChange).perform(IProgressMonitor) line: 278	
		PerformChangeOperation$1.run(IProgressMonitor) line: 260	
		Workspace.run(IWorkspaceRunnable, ISchedulingRule, int, IProgressMonitor) line: 1800	
		UIPerformChangeOperation(PerformChangeOperation).executeChange(IProgressMonitor) line: 308	
		UIPerformChangeOperation.access$1(UIPerformChangeOperation, IProgressMonitor) line: 1	
		UIPerformChangeOperation$1.run() line: 66	
		SafeRunner.run(ISafeRunnable) line: 37	
		UIPerformChangeOperation$2.run() line: 84	
		RunnableLock.run() line: 35	
		UISynchronizer(Synchronizer).runAsyncMessages(boolean) line: 133	
		Display.runAsyncMessages(boolean) line: 3800	
		Display.readAndDispatch() line: 3425	
		ModalContext$ModalContextThread.block() line: 173	
		ModalContext.run(IRunnableWithProgress, boolean, IProgressMonitor, Display) line: 382	
		RefactoringWizardDialog2.run(boolean, boolean, IRunnableWithProgress) line: 317	
		DeleteResourcesWizard(RefactoringWizard).internalPerformFinish(InternalAPI, PerformChangeOperation) line: 558	
		DeleteResourcesWizard$DeleteResourcesRefactoringConfigurationPage(UserInputWizardPage).performFinish() line: 154	
		DeleteResourcesWizard$DeleteResourcesRefactoringConfigurationPage.performFinish() line: 147	
		DeleteResourcesWizard(RefactoringWizard).performFinish() line: 622	
		RefactoringWizardDialog2.okPressed() line: 446	
		RefactoringWizardDialog2(Dialog).buttonPressed(int) line: 472	
		Dialog$2.widgetSelected(SelectionEvent) line: 624	
		TypedListener.handleEvent(Event) line: 228	
		EventTable.sendEvent(Event) line: 84	
		Button(Widget).sendEvent(Event) line: 1003	
		Display.runDeferredEvents() line: 3823	
		Display.readAndDispatch() line: 3422	
		RefactoringWizardDialog2(Window).runEventLoop(Shell) line: 825	
		RefactoringWizardDialog2(Window).open() line: 801	
		RefactoringWizardOpenOperation$1.run() line: 144	
		BusyIndicator.showWhile(Display, Runnable) line: 70	
		RefactoringWizardOpenOperation.run(Shell, String) line: 156	
		DeleteResourcesHandler.execute(ExecutionEvent) line: 41	
		HandlerProxy.execute(ExecutionEvent) line: 281	
		Command.executeWithChecks(ExecutionEvent) line: 476	
		ParameterizedCommand.executeWithChecks(Object, Object) line: 508	
		HandlerService.executeCommandInContext(ParameterizedCommand, Event, IEvaluationContext) line: 270	
		LTKLauncher.runCommand(String, IStructuredSelection) line: 95	
		LTKLauncher.openDeleteWizard(IStructuredSelection) line: 47	
		DeleteResourceAction.run() line: 480	
		DeleteAction.run(IStructuredSelection) line: 71	
		DeleteAction(SelectionDispatchAction).dispatchRun(ISelection) line: 274	
		DeleteAction(SelectionDispatchAction).run() line: 250	
		DeleteAction(Action).runWithEvent(Event) line: 498	
		ActionContributionItem.handleWidgetSelection(Event, boolean) line: 583	
		ActionContributionItem.access$2(ActionContributionItem, Event, boolean) line: 500	
		ActionContributionItem$5.handleEvent(Event) line: 411	
		EventTable.sendEvent(Event) line: 84	
		MenuItem(Widget).sendEvent(Event) line: 1003	
		Display.runDeferredEvents() line: 3823	
		Display.readAndDispatch() line: 3422	
		Workbench.runEventLoop(Window$IExceptionHandler, Display) line: 2382	
		Workbench.runUI() line: 2346	
		Workbench.access$4(Workbench) line: 2198	
		Workbench$5.run() line: 493	
		Realm.runWithDefault(Realm, Runnable) line: 288	
		Workbench.createAndRunWorkbench(Display, WorkbenchAdvisor) line: 488	
		PlatformUI.createAndRunWorkbench(Display, WorkbenchAdvisor) line: 149	
		IDEApplication.start(IApplicationContext) line: 113	
		EclipseAppHandle.run(Object) line: 193	
		EclipseAppLauncher.runApplication(Object) line: 110	
		EclipseAppLauncher.start(Object) line: 79	
		EclipseStarter.run(Object) line: 386	
		EclipseStarter.run(String[], Runnable) line: 179	
		NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method]	
		NativeMethodAccessorImpl.invoke(Object, Object[]) line: 39	
		DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: 25	
		Method.invoke(Object, Object...) line: 597	
		Main.invokeFramework(String[], URL[]) line: 549	
		Main.basicRun(String[]) line: 504	
		Main.run(String[]) line: 1236	
		Main.main(String[]) line: 1212	
	Daemon Thread [Framework Event Dispatcher] (Suspended)	
		waiting for: EventManager$EventThread  (id=20)	
		Object.wait(long) line: not available [native method]	
		EventManager$EventThread(Object).wait() line: 485	
		EventManager$EventThread.getNextEvent() line: 377	
		EventManager$EventThread.run() line: 317	
	Daemon Thread [Start Level Event Dispatcher] (Suspended)	
		waiting for: EventManager$EventThread  (id=23)	
		Object.wait(long) line: not available [native method]	
		EventManager$EventThread(Object).wait() line: 485	
		EventManager$EventThread.getNextEvent() line: 377	
		EventManager$EventThread.run() line: 317	
	Thread [Worker-0] (Suspended)	
		waiting for: WorkerPool  (id=64)	
		Object.wait(long) line: not available [native method]	
		WorkerPool.sleep(long) line: 185	
		WorkerPool.startJob(Worker) line: 217	
		Worker.run() line: 51	
	Daemon Thread [Java indexing] (Suspended)	
		waiting for: IndexManager  (id=72)	
		Object.wait(long) line: not available [native method]	
		IndexManager(Object).wait() line: 485	
		IndexManager(JobManager).run() line: 371	
		Thread.run() line: 619	
	Thread [Worker-1] (Suspended)	
		waiting for: WorkerPool  (id=64)	
		Object.wait(long) line: not available [native method]	
		WorkerPool.sleep(long) line: 185	
		WorkerPool.startJob(Worker) line: 217	
		Worker.run() line: 51	
	Thread [Worker-2] (Suspended)	
		owns: JavaModelManager$PerProjectInfo  (id=66)	
		waiting for: Object  (id=65)	
		Object.wait(long) line: not available [native method]	
		ThreadJob.joinRun(IProgressMonitor) line: 189	
		ImplicitJobs.begin(ISchedulingRule, IProgressMonitor, boolean) line: 87	
		JobManager.beginRule(ISchedulingRule, IProgressMonitor) line: 230	
		WorkManager.checkIn(ISchedulingRule, IProgressMonitor) line: 117	
		Workspace.prepareOperation(ISchedulingRule, IProgressMonitor) line: 1747	
		Folder.create(int, boolean, IProgressMonitor) line: 85	
		Folder.create(boolean, boolean, IProgressMonitor) line: 118	
		JavaProject.getJSDTScopeFile() line: 190	
		JavaProject.readFileEntriesWithException(Map) line: 2431	
		JavaModelManager$PerProjectInfo.readAndCacheClasspath(JavaProject) line: 1147	
		JavaProject.resolveClasspath(JavaModelManager$PerProjectInfo) line: 2626	
		JavaProject.getResolvedClasspath() line: 1945	
		JavaScriptCore.initializeAfterLoad(IProgressMonitor) line: 2839	
		InitializeAfterLoadJob$RealJob.run(IProgressMonitor) line: 32	
		Worker.run() line: 55	
	Thread [Worker-3] (Suspended)	
		waiting for: WorkerPool  (id=64)	
		Object.wait(long) line: not available [native method]	
		WorkerPool.sleep(long) line: 185	
		WorkerPool.startJob(Worker) line: 217	
		Worker.run() line: 51	
	Thread [Worker-4] (Suspended)	
		waiting for: WorkerPool  (id=64)	
		Object.wait(long) line: not available [native method]	
		WorkerPool.sleep(long) line: 185	
		WorkerPool.startJob(Worker) line: 217	
		Worker.run() line: 51	
	Thread [Worker-5] (Suspended)	
		waiting for: OfflineCachingStorage$CacheFlushJob  (id=69)	
		Object.wait(long) line: not available [native method]	
		OfflineCachingStorage$CacheFlushJob(Object).wait() line: 485	
		OfflineCachingStorage$CacheFlushJob.run(IProgressMonitor) line: 242	
		Worker.run() line: 55	
	Thread [Worker-6] (Suspended)	
		waiting for: Object  (id=65)	
		Object.wait(long) line: not available [native method]	
		ThreadJob.joinRun(IProgressMonitor) line: 189	
		ImplicitJobs.begin(ISchedulingRule, IProgressMonitor, boolean) line: 87	
		JobManager.beginRule(ISchedulingRule, IProgressMonitor) line: 230	
		WorkManager.checkIn(ISchedulingRule, IProgressMonitor) line: 117	
		Workspace.prepareOperation(ISchedulingRule, IProgressMonitor) line: 1747	
		Workspace.run(IWorkspaceRunnable, ISchedulingRule, int, IProgressMonitor) line: 1795	
		Workspace.run(IWorkspaceRunnable, IProgressMonitor) line: 1782	
		JavaModelManager$16.run(IProgressMonitor) line: 4269	
		Worker.run() line: 55	
	Thread [Worker-7] (Suspended)	
		waiting for: WorkerPool  (id=64)	
		Object.wait(long) line: not available [native method]	
		WorkerPool.sleep(long) line: 185	
		WorkerPool.startJob(Worker) line: 217	
		Worker.run() line: 51	
	Thread [Timer-0] (Suspended)	
		waiting for: TaskQueue  (id=68)	
		Object.wait(long) line: not available [native method]	
		TimerThread.mainLoop() line: 509	
		TimerThread.run() line: 462	
	Thread [Timer-1] (Suspended)	
		waiting for: TaskQueue  (id=70)	
		Object.wait(long) line: not available [native method]	
		TimerThread.mainLoop() line: 509	
		TimerThread.run() line: 462	
	Thread [Worker-8] (Suspended)	
		waiting for: WorkerPool  (id=64)	
		Object.wait(long) line: not available [native method]	
		WorkerPool.sleep(long) line: 185	
		WorkerPool.startJob(Worker) line: 217	
		Worker.run() line: 51	
	Thread [Worker-9] (Suspended)	
		waiting for: WorkerPool  (id=64)	
		Object.wait(long) line: not available [native method]	
		WorkerPool.sleep(long) line: 185	
		WorkerPool.startJob(Worker) line: 217	
		Worker.run() line: 51	
	Thread [ModalContext] (Suspended)	
		waiting for: RunnableLock  (id=67)	
		Object.wait(long) line: not available [native method]	
		RunnableLock(Object).wait() line: 485	
		UISynchronizer(Synchronizer).syncExec(Runnable) line: 185	
		UISynchronizer.syncExec(Runnable) line: 150	
		Display.syncExec(Runnable) line: 4251	
		UIPerformChangeOperation.executeChange(IProgressMonitor) line: 88	
		UIPerformChangeOperation(PerformChangeOperation).run(IProgressMonitor) line: 220	
		Workspace.run(IWorkspaceRunnable, ISchedulingRule, int, IProgressMonitor) line: 1800	
		WorkbenchRunnableAdapter.run(IProgressMonitor) line: 87	
		ModalContext$ModalContextThread.run() line: 121	
	Daemon Thread [JavaScript indexing] (Suspended)	
		waiting for: IndexManager  (id=71)	
		Object.wait(long) line: not available [native method]	
		IndexManager(Object).wait() line: 485	
		IndexManager(JobManager).run() line: 370	
		Thread.run() line: 619	

Comment 3 Nitin Dahyabhai 2009-02-05 14:19:12 EST

Stefan, I really need the fully qualified class names to properly look at this.

Comment 4 Stefan Holzknecht 2009-02-10 04:49:39 EST

"main" prio=6 tid=0x008f5400 nid=0x19e8 waiting for monitor entry [0x0012e000..0x0012fc48]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at org.eclipse.wst.jsdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2624)
        - waiting to lock <0x02b40c40> (a org.eclipse.wst.jsdt.internal.core.JavaModelManager$PerProjectInfo)
        at org.eclipse.wst.jsdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:1945)
        at org.eclipse.wst.jsdt.internal.core.DeltaProcessor.deleting(DeltaProcessor.java:1002)
        at org.eclipse.wst.jsdt.internal.core.DeltaProcessor.resourceChanged(DeltaProcessor.java:1881)
        at org.eclipse.wst.jsdt.internal.core.DeltaProcessingState.resourceChanged(DeltaProcessingState.java:389)
        at org.eclipse.core.internal.events.NotificationManager$2.run(NotificationManager.java:288)
        at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
        at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:282)
        at org.eclipse.core.internal.events.NotificationManager.handleEvent(NotificationManager.java:260)
        at org.eclipse.core.internal.resources.Workspace.broadcastEvent(Workspace.java:307)
        at org.eclipse.core.internal.resources.Resource.broadcastPreDeleteEvent(Resource.java:1772)
        at org.eclipse.core.internal.resources.Resource.delete(Resource.java:696)
        at org.eclipse.core.internal.resources.Project.delete(Project.java:309)
        at org.eclipse.ltk.core.refactoring.resource.DeleteResourceChange.perform(DeleteResourceChange.java:131)
        at org.eclipse.ltk.core.refactoring.CompositeChange.perform(CompositeChange.java:278)
        at org.eclipse.ltk.core.refactoring.CompositeChange.perform(CompositeChange.java:278)
        at org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(PerformChangeOperation.java:260)
        at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1800)
        at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(PerformChangeOperation.java:308)
        at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.access$1(UIPerformChangeOperation.java:1)
        at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$1.run(UIPerformChangeOperation.java:66)
        at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
        at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation$2.run(UIPerformChangeOperation.java:84)
        at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
        at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:133)
- locked <0x02b56158> (a org.eclipse.swt.widgets.RunnableLock)
        at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3800)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3425)
        at org.eclipse.jface.operation.ModalContext$ModalContextThread.block(ModalContext.java:173)
        at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:382)
        at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.run(RefactoringWizardDialog2.java:317)
        at org.eclipse.ltk.ui.refactoring.RefactoringWizard.internalPerformFinish(RefactoringWizard.java:558)
        at org.eclipse.ltk.ui.refactoring.UserInputWizardPage.performFinish(UserInputWizardPage.java:154)
        at org.eclipse.ltk.ui.refactoring.resource.DeleteResourcesWizard$DeleteResourcesRefactoringConfigurationPage.performFinish(DeleteResourcesWizard.java:147)
        at org.eclipse.ltk.ui.refactoring.RefactoringWizard.performFinish(RefactoringWizard.java:622)
        at org.eclipse.ltk.internal.ui.refactoring.RefactoringWizardDialog2.okPressed(RefactoringWizardDialog2.java:446)
        at org.eclipse.jface.dialogs.Dialog.buttonPressed(Dialog.java:472)
        at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624)
        at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:
228)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
        at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3823)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3422)
        at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
        at org.eclipse.jface.window.Window.open(Window.java:801)
        at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation$1.run(RefactoringWizardOpenOperation.java:144)
        at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
        at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(RefactoringWizardOpenOperation.java:156)
        at org.eclipse.ltk.internal.ui.refactoring.actions.DeleteResourcesHandler.execute(DeleteResourcesHandler.java:41)
        at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:281)
        at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)
        at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
        at org.eclipse.ui.internal.handlers.HandlerService.executeCommandInContext(HandlerService.java:270)
        at org.eclipse.ui.internal.ide.actions.LTKLauncher.runCommand(LTKLauncher.java:95)
        at org.eclipse.ui.internal.ide.actions.LTKLauncher.openDeleteWizard(LTKLauncher.java:47)
        at org.eclipse.ui.actions.DeleteResourceAction.run(DeleteResourceAction.java:480)
        at com.intershop.enfinity.studio.view.action.DeleteAction.run(DeleteAction.java:268)
        at com.intershop.enfinity.studio.view.action.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:216)
        at com.intershop.enfinity.studio.view.action.SelectionDispatchAction.run(SelectionDispatchAction.java:185)
        at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
        at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:583)
        at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:500)
        at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
        at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3823)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3422)
        at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2382)
        at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2346)
        at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2198)
        at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:493)
        at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)
        at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:488)
        at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
        at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
        at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193)
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:386)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:549)
        at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)
        at org.eclipse.equinox.launcher.Main.run(Main.java:1236)

"VM Thread" prio=10 tid=0x32d51400 nid=0x1a50 runnable

"VM Periodic Task Thread" prio=10 tid=0x32d81800 nid=0x2d8 waiting on condition


JNI global references: 1346

Comment 5 Chris Jaun 2009-09-15 11:21:56 EDT

Categorizing JSDT bugzillas for planning purposes.

Comment 6 Chris Jaun 2010-06-22 14:09:00 EDT

*** Bug 276317 has been marked as a duplicate of this bug. ***

Comment 7 Chris Jaun 2010-06-22 14:09:26 EDT

See duplicate bug for additional, similar stack traces.

Comment 8 Chris Jaun 2013-05-31 17:19:44 EDT

Bug is over 4 years old and I haven't been able to reproduce this.