try {
messageLatch = new CountDownLatch(1);
final ClientEndpointConfig cec = ClientEndpointConfig.Builder.create().build();
ClientManager client = ClientManager.createClient();
client.connectToServer(new Endpoint() {
@Override
public void onOpen(final Session session, EndpointConfig config) {
try {
session.addMessageHandler(new MessageHandler.Whole<String>() {