java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference

Stack Overflow | Dali546 | 2 weeks ago
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    Stack Overflow | 2 weeks ago | Dali546
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference
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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference

      at com.mycoursework.whatsfake.Chat.UpdateData()
    2. com.mycoursework.whatsfake
      ClientService$ListenFromServer.run
      1. com.mycoursework.whatsfake.Chat.UpdateData(Chat.java:117)
      2. com.mycoursework.whatsfake.ClientService$ListenFromServer.run(ClientService.java:124)
      2 frames