java.lang.NullPointerException: Attempt to invoke virtual method 'io.socket.b.a io.socket.engineio.client.c.b(java.lang.String, io.socket.b.a$a)' on a null object reference

GitHub | hamberluo | 2 months ago
  1. 0

    NullPointerException from 0.8.0

    GitHub | 2 months ago | hamberluo
    java.lang.NullPointerException: Attempt to invoke virtual method 'io.socket.b.a io.socket.engineio.client.c.b(java.lang.String, io.socket.b.a$a)' on a null object reference
  2. 0

    GitHub comment 62#247243373

    GitHub | 3 months ago | jayrambhia
    java.lang.NullPointerException: Attempt to invoke virtual method 'io.socket.emitter.Emitter io.socket.engineio.client.Transport.once(java.lang.String, io.socket.emitter.Emitter$Listener)' on a null object reference
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  4. 0

    NPE and InvocationTargetException error

    Stack Overflow | 2 years ago | user2883071
    java.lang.IllegalStateException: Could not execute method of the activity
  5. 0

    Saving to Local Database and Firebase in android

    Stack Overflow | 3 days ago | Pooveshin
    java.lang.NullPointerException: Attempt to invoke virtual method 'boolean com.example.pooveshin.saica_sgb.DatabaseHelper.SaveUserMeetings(java.lang.String, java.lang.String, java.lang.String, java.lang.String)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'io.socket.b.a io.socket.engineio.client.c.b(java.lang.String, io.socket.b.a$a)' on a null object reference

      at io.socket.engineio.client.Socket$7.call()
    2. io.socket.engineio
      Socket$7.call
      1. io.socket.engineio.client.Socket$7.call(SourceFile:346)
      1 frame
    3. io.socket.emitter
      Emitter.emit
      1. io.socket.emitter.Emitter$OnceListener.call(SourceFile:164)
      2. io.socket.emitter.Emitter.emit(SourceFile:117)
      2 frames
    4. io.socket.engineio
      WebSocket$2$1.run
      1. io.socket.engineio.client.Transport.onOpen(SourceFile:122)
      2. io.socket.engineio.client.transports.WebSocket.access$002(SourceFile:28)
      3. io.socket.engineio.client.transports.WebSocket$2$1.run(SourceFile:93)
      3 frames
    5. io.socket.thread
      EventThread$2.run
      1. io.socket.thread.EventThread$2.run(SourceFile:80)
      1 frame
    6. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
      3. java.lang.Thread.run(Thread.java:818)
      3 frames