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

  1. 0

    Setting json data to a TextView Using Ion library

    Stack Overflow | 2 months ago | Lutaaya Huzaifah
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String com.google.gson.JsonObject.toString()' on a null object reference
  2. 0

    GitHub comment 910#176324060

    GitHub | 10 months ago | l3d00m
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String com.google.gson.JsonObject.toString()' on a null object reference
  3. 0

    JSON access crashes.

    GitHub | 2 years ago | gnustomp
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String com.google.gson.JsonObject.toString()' on a null object reference
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  5. 0

    NPE and InvocationTargetException error

    Stack Overflow | 2 years ago | user2883071
    java.lang.IllegalStateException: Could not execute method of the activity
  6. 0

    java.lang.RuntimeException: Unable to stop activity {net.kindows.chitchat/net.kindows.chitchat.LoginActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void org.eclipse.paho.android.service.MqttService.disconnect(java.lang.String, java.lang.String, java.lang.String)' on a null object reference

    GitHub | 6 months ago | dmsherazi
    java.lang.RuntimeException: Unable to stop activity {net.kindows.chitchat/net.kindows.chitchat.LoginActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void org.eclipse.paho.android.service.MqttService.disconnect(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 'java.lang.String com.google.gson.JsonObject.toString()' on a null object reference

      at campus.app.com.newline.campusmobapp.StudentsProfile$1.onCompleted()
    2. campus.app.com
      StudentsProfile$1.onCompleted
      1. campus.app.com.newline.campusmobapp.StudentsProfile$1.onCompleted(StudentsProfile.java:58)
      2. campus.app.com.newline.campusmobapp.StudentsProfile$1.onCompleted(StudentsProfile.java:51)
      2 frames
    3. AndroidAsync
      SimpleFuture.setComplete
      1. com.koushikdutta.async.future.SimpleFuture.handleCallbackUnlocked(SimpleFuture.java:107)
      2. com.koushikdutta.async.future.SimpleFuture.setComplete(SimpleFuture.java:141)
      3. com.koushikdutta.async.future.SimpleFuture.setComplete(SimpleFuture.java:124)
      3 frames
    4. ion
      IonRequestBuilder$1.run
      1. com.koushikdutta.ion.IonRequestBuilder$1.run(IonRequestBuilder.java:244)
      1 frame
    5. AndroidAsync
      AsyncServer$RunnableWrapper.run
      1. com.koushikdutta.async.AsyncServer$RunnableWrapper.run(AsyncServer.java:60)
      1 frame
    6. Android Platform
      ActivityThread.main
      1. android.os.Handler.handleCallback(Handler.java:739)
      2. android.os.Handler.dispatchMessage(Handler.java:95)
      3. android.os.Looper.loop(Looper.java:211)
      4. android.app.ActivityThread.main(ActivityThread.java:5389)
      4 frames
    7. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    8. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1020)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:815)
      2 frames