code: @Override
  	public void stop(BundleContext context) throws Exception {
  		hazelcastNode.shutdown();
  		System.out.println("******************************** WebsocketActivator SHUTDOWN **********************************");
  	}
docs: /*
  (non-Javadoc)
  @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)