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
.hasNext();) {
				NavigatorContentExtension ext = (NavigatorContentExtension) contentItr
						.next();
				if (ext.isLoaded()) {
					structuredViewerManager
							.initialize(ext.internalGetContentProvider());
				}
			}
			rootContentProviders = extractContentProviders(findRootContentExtensions(aNewInput));
		}
	}
	public IExtensionStateModel findStateModel(String anExtensionId) {
		if (anExtensionId == null) {
			return null;
		}
		INavigatorContentDescriptor desc = CONTENT_DESCRIPTOR_REGISTRY
				.getContentDescriptor(anExtensionId);
		if (desc == null) {
			return null;
		}
		INavigatorContentExtension ext = getExtension(desc);
		if (ext == null) {
			return null;
		}
		return ext.getStateModel();
	}
	/**
	 * <p>
	 * Return all of the content providers that are relevant for the viewer. The
	 * viewer is determined by the ID used to create the