registryTracker = new ServiceTracker(context, IExtensionRegistry.class.getName(), null); registryTracker.open();
	void startContainer() {		frameworkLog = new ServiceTracker(context, FrameworkLog.class.getName(), null);		frameworkLog.open();		registryTracker = new ServiceTracker(context, IExtensionRegistry.class.getName(), null);		registryTracker.open();		getExtensionRegistry().addRegistryChangeListener(this);		registerAppDecriptors();		containers.put(APP_TYPE_MAIN_SINGLETON, new SingletonContainerMgr(new MainSingletonContainer(this), APP_TYPE_MAIN_SINGLETON, this));		// need to listen for system bundle stopping		context.addBundleListener(this);	}