Bug 307405 [CommonNavigator] Deadlock in NavigatorContentServiceContentProvider
We are using an adopting product and one of our users encountered this deadlock when starting up their workspace: 1LKDEADLOCK Deadlock detected !!! NULL --------------------- NULL 2LKDEADLOCKTHR Thread "main" (0x41591300) 3LKDEADLOCKWTR is waiting for: 4LKDEADLOCKMON sys_mon_t:0x43134548 infl_mon_t: 0x43134580: 4LKDEADLOCKOBJ org/eclipse/ui/internal/navigator/NavigatorSaveablesService@0x05DB48A8/0x05DB48B4: 3LKDEADLOCKOWN which is owned by: 2LKDEADLOCKTHR Thread "Framework Event Dispatcher" (0x42467700) 3LKDEADLOCKWTR which is waiting for: 4LKDEADLOCKMON sys_mon_t:0x43BA6AB8 infl_mon_t: 0x43BA6AF0: 4LKDEADLOCKOBJ org/eclipse/ui/internal/navigator/NavigatorContentServiceContentProvider@0x0306F6E8/0x0306F6F4: 3LKDEADLOCKOWN which is owned by: 2LKDEADLOCKTHR Thread "main" (0x41591300) I will attach the stack trace.
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/NavigatorContentService.java
}
		if (navigatorSorterService != null) {
			assistant.removeListener(navigatorSorterService);
		}
		synchronized (this) {
			for (Iterator contentItr = contentExtensions.values().iterator(); contentItr
					.hasNext();) {
				((NavigatorContentExtension) contentItr.next()).dispose();
			}
		}
		getActivationService().removeExtensionActivationListener(this);
		assistant.dispose();
		isDisposed = true;
	}
	protected void updateService(Viewer aViewer, Object anOldInput,
			Object aNewInput) {
		
		
		
		if (isDisposed)
			return;
		synchronized (this) {
			if (structuredViewerManager == null) {
				structuredViewerManager = new StructuredViewerManager((StructuredViewer) aViewer, this);
				structuredViewerManager.inputChanged(anOldInput, aNewInput);
			} else {
				structuredViewerManager.inputChanged(aViewer, anOldInput,
						aNewInput);
			}
			for (Iterator contentItr = contentExtensions.values().iterator(); contentItr