java.lang.NullPointerException
    at com.example.MyService.onHandleIntent(MyService.java:466)
    at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:65)
    at android.os.Handler.dispatchMessage(Handler.java:102)
    at android.os.Looper.loop(Looper.java:136)
    at android.os.HandlerThread.run(HandlerThread.java:61)

465 protected void onHandleIntent(Intent intent) {
466                Bundle data = intent.getExtras();

serviceIntent = new Intent(this, MyService.class);
serviceIntent.putExtra("ip", ip);
serviceIntent.putExtra("port", port);
startService(serviceIntent);