Callback is not executing

[Mani1124]

mStompClient = Stomp.over(WebSocket.class, HostConfig.SERVICE_INCOMING); mStompClient.topic("/topic/hello").subscribe(topicMessage -> { Log.d("listenStomp", topicMessage.getPayload()); }); mStompClient.connect();

but Logcat show only following lines.

D/WebSocketsConnectionProvider: Emit STOMP message: MESSAGE expires:0 correlation-id: destination:/topic/hello subscription:341c8a71-267a-40b2-a9ef- 3dc36177c2c9 priority:0 type: message-id:ID:Laptop-Jiban-50526- 1512793996685-8:1:1:1:44 timestamp:1512815512821 test test test

" Log.d("listenStomp", topicMessage.getPayload());" is not executing