registerServices();
registryServiceTracker = new ServiceTracker(bundleContext, "org.eclipse.core.runtime.IExtensionRegistry", this); registryServiceTracker.open();
	public void start(BundleContext context) throws Exception {		bundleContext = context;		processCommandLine();		PreferencesOSGiUtils.getDefault().openServices();		preferencesService = bundleContext.registerService(IPreferencesService.class.getName(), PreferencesService.getDefault(), new Hashtable());		osgiPreferencesService = bundleContext.registerService(org.osgi.service.prefs.PreferencesService.class.getName(), new OSGiPreferencesServiceManager(bundleContext), null);		registerServices();	}