registryTracker.close(); registryTracker = null;
	void stopContainer() {		// stop all applications first		stopAllApplications();		context.removeBundleListener(this);		getExtensionRegistry().removeRegistryChangeListener(this);		registryTracker.close();		registryTracker = null;		frameworkLog.close();		frameworkLog = null;		// flush the apps and containers		apps.clear();		containers.clear();	}