FATAL EXCEPTION: AsyncServer
Process: computician.janusclient, PID: 12108
java.lang.NullPointerException: Attempt to invoke interface method 'void com.koushikdutta.async.http.WebSocket.setWriteableCallback(com.koushikdutta.async.callback.WritableCallback)' on a null object reference
at computician.janusclientapi.JanusWebsocketMessenger$1.onCompleted(JanusWebsocketMessenger.java:48)
at com.koushikdutta.async.http.AsyncHttpClient$11.onConnectCompleted(AsyncHttpClient.java:672)
at com.koushikdutta.async.http.AsyncHttpClient.reportConnectedCompleted(AsyncHttpClient.java:170)
at com.koushikdutta.async.http.AsyncHttpClient.access$200(AsyncHttpClient.java:51)
at com.koushikdutta.async.http.AsyncHttpClient$3.onConnectCompleted(AsyncHttpClient.java:279)
at com.koushikdutta.async.AsyncServer.runLoop(AsyncServer.java:843)
at com.koushikdutta.async.AsyncServer.run(AsyncServer.java:657)
at com.koushikdutta.async.AsyncServer.access$800(AsyncServer.java:44)
at com.koushikdutta.async.AsyncServer$14.run(AsyncServer.java:599)
FATAL EXCEPTION: AsyncServer Process: computician.janusclient, PID: 12108 java.lang.NullPointerException: Attempt to invoke interface method 'void com.koushikdutta.async.http.WebSocket.setWriteableCallback(com.koushikdutta.async.callback.WritableCallback)' on a null object reference at computician.janusclientapi.JanusWebsocketMessenger$1.onCompleted(JanusWebsocketMessenger.java:48) at com.koushikdutta.async.http.AsyncHttpClient$11.onConnectCompleted(AsyncHttpClient.java:672) at com.koushikdutta.async.http.AsyncHttpClient.reportConnectedCompleted(AsyncHttpClient.java:170) at com.koushikdutta.async.http.AsyncHttpClient.access$200(AsyncHttpClient.java:51) at com.koushikdutta.async.http.AsyncHttpClient$3.onConnectCompleted(AsyncHttpClient.java:279) at com.koushikdutta.async.AsyncServer.runLoop(AsyncServer.java:843) at com.koushikdutta.async.AsyncServer.run(AsyncServer.java:657) at com.koushikdutta.async.AsyncServer.access$800(AsyncServer.java:44) at com.koushikdutta.async.AsyncServer$14.run(AsyncServer.java:599)
How should I deal with this problem?