Timeouts in WebSocket with SendHandler (calback)

WebSocketTimeout_SendHandler.txt

....
public void broadcast(Session s, String msg){
  RemoteEndpoint asyncHandle = s.getRemoteAsync();
  asyncHandle.setSendTimeout(1000); //1 second
  asyncHandle.sendText(msg, 
    new SendHandler(){
      @Override
        public void onResult(SendResult result) {
        if(!result.isOK()){
        System.out.println("Async send failure: "+ result.getException());
        }
    }
  }); //will timeout after 2 seconds
  tracker.get(); //will throw java.util.ExecutionException if the process had timed out
}
....