private static final int DEFAULT_PORT = 3787;
	private static String HOST= "10.1.1.33";
	private BundleContext bundleContext;
	private RemoteConfigurationUtil proxy;
	private List<IProxyListener> listeners= new ArrayList<>();
	private ServiceTracker<RemoteConfigurationUtil, RemoteConfigurationUtil> st;
	public RemoteServiceTracker() {
		this.bundleContext=Activator.getContext();
		IGenericServerContainerGroup group;
		try {
			ServiceReference<IGenericServerContainerGroupFactory> sr = bundleContext.getServiceReference(IGenericServerContainerGroupFactory.class);
			IGenericServerContainerGroupFactory proxy = bundleContext.getService(sr);
			group = proxy.createContainerGroup(HOST, DEFAULT_PORT, null);
			group.createContainer("/server");
...
...

		Dictionary<String, String> dict = new Hashtable<String, String>();
		// add OSGi service property indicated export of all interfaces exposed
		// by service (wildcard)
		dict.put(IDistributionConstants.SERVICE_EXPORTED_INTERFACES, IDistributionConstants.SERVICE_EXPORTED_INTERFACES_WILDCARD);
		// add OSGi service property specifying config
		dict.put(IDistributionConstants.SERVICE_EXPORTED_CONFIGS, CONTAINER_TYPE);
		// add ECF service property specifying container factory args
		dict.put(IDistributionConstants.SERVICE_EXPORTED_CONTAINER_FACTORY_ARGUMENTS, "ecftcp://localhost:3787/server");
		try {
			bundleContext.registerService(new String[] {
					ConfigurationUtil.class.getName(), EMailUtil.class.getName(), ServiceUtil.class.getName(),
			RemoteConfigurationUtil.class.getName()} , new RemoteConfigurationUtilImpl(props), dict);
			log.info("RemoteConfigurationUtilImpl RemoteService registered");
		}catch(Exception e){
			e.printStackTrace();
		}