java.lang.NullPointerException

Stack Overflow | android | 4 days ago
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    Stack Overflow | 11 months ago | Moncif Bf
    System.err: org.json.JSONException: End of input at character 0 of
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    The parsed JSON does not contains the requested field.
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    java.lang.NullPointerException: Attempt to invoke ... - Mobile Development | DaniWeb

    daniweb.com | 8 months ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.Iterator java.util.ArrayList.iterator()' on a null object reference at com.example.1231.t12.MainActivity$1.processFinish(MainActivity.java:40)
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    java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.Iterator java.util.ArrayList

    Stack Overflow | 1 year ago | Rean
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.Iterator java.util.ArrayList.iterator()' on a null object reference at com.example.1231.t12.MainActivity$1.processFinish(MainActivity.java:40)

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at app.com.example.saeed.fypephaseone.Main2Activity.processFinish()
    2. app.com.example
      Main2Activity.processFinish
      1. app.com.example.saeed.fypephaseone.Main2Activity.processFinish(Main2Activity.java:160)
      1 frame
    3. com.kosalgeek.asynctask
      PostResponseAsyncTask.onPostExecute
      1. com.kosalgeek.asynctask.PostResponseAsyncTask.onPostExecute(PostResponseAsyncTask.java:248)
      2. com.kosalgeek.asynctask.PostResponseAsyncTask.onPostExecute(PostResponseAsyncTask.java:31)
      2 frames
    4. Android Platform
      ActivityThread.main
      1. android.os.AsyncTask.finish(AsyncTask.java:632)
      2. android.os.AsyncTask.access$600(AsyncTask.java:177)
      3. android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:645)
      4. android.os.Handler.dispatchMessage(Handler.java:110)
      5. android.os.Looper.loop(Looper.java:193)
      6. android.app.ActivityThread.main(ActivityThread.java:5304)
      6 frames
    5. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invokeNative(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:515)
      2 frames
    6. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:824)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:640)
      2 frames
    7. Android Platform
      NativeStart.main
      1. dalvik.system.NativeStart.main(Native Method)
      1 frame