java.lang.NullPointerException

GitHub | voveve | 1 year ago
tip
Click on the to mark the solution that helps you, Samebug will learn from it.
As a community member, you’ll be rewarded for you help.

Tired of useless tips?

Automated exception search integrated into your IDE

Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at com.jcloisterzone.game.Game.undo()
  2. com.jcloisterzone.game
    Game.undo
    1. com.jcloisterzone.game.Game.undo(Game.java:186)
    1 frame
  3. com.jcloisterzone.ui
    ClientMessageListener.handleUndo
    1. com.jcloisterzone.ui.ClientMessageListener.handleUndo(ClientMessageListener.java:518)
    1 frame
  4. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:497)
    4 frames
  5. com.jcloisterzone.wsio
    MessageDispatcher.dispatch
    1. com.jcloisterzone.wsio.MessageDispatcher.dispatchOn(MessageDispatcher.java:36)
    2. com.jcloisterzone.wsio.MessageDispatcher.dispatch(MessageDispatcher.java:20)
    2 frames
  6. com.jcloisterzone.ui
    ClientMessageListener.onWebsocketMessage
    1. com.jcloisterzone.ui.ClientMessageListener.onWebsocketMessage(ClientMessageListener.java:143)
    1 frame
  7. com.jcloisterzone.wsio
    WebSocketConnection$WebSocketClientImpl.onMessage
    1. com.jcloisterzone.wsio.WebSocketConnection$WebSocketClientImpl.onMessage(WebSocketConnection.java:100)
    1 frame
  8. Java WS
    WebSocketClient.run
    1. org.java_websocket.client.WebSocketClient.onWebsocketMessage(WebSocketClient.java:248)
    2. org.java_websocket.WebSocketImpl.decodeFrames(WebSocketImpl.java:375)
    3. org.java_websocket.WebSocketImpl.decode(WebSocketImpl.java:158)
    4. org.java_websocket.client.WebSocketClient.run(WebSocketClient.java:185)
    4 frames
  9. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)[Thread-2]
    1 frame