props.put( Constants.SERVICE_VENDOR, "Apache Software Foundation" );
configurationAdminRegistration = bundleContext.registerService( ConfigurationAdmin.class.getName(), caf, props );
// start handling ManagedService[Factory] services
managedServiceTracker = new ManagedServiceTracker(this);
managedServiceFactoryTracker = new ManagedServiceFactoryTracker(this);
// start processing the event queues only after registering the service
// see FELIX-2813 for details
this.updateThread.start();
this.eventThread.start();