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java.lang.NullPointerException: Attempt to get length of null array

Stack Overflow | user6265109 | 11 months ago
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  1. 0

    How to get and show the length of an array?

    Stack Overflow | 11 months ago | user6265109
    java.lang.NullPointerException: Attempt to get length of null array
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    Stack Overflow | 11 months ago | user6265109
    java.lang.NullPointerException: Attempt to get length of null array
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    java.lang.NullPointerException: Attempt to invoke virtual method 'org.json.JSONArray org.json.JSONObject.getJSONArray(java.lang.String) ' on a null object reference at com.example.think.asdasdasdasd.MainActivity$JSONPa rse.onPostExecute(MainActivity.java:73) at com.example.think.asdasdasdasd.MainActivity$JSONPa rse.onPostExecute(MainActivity.java:44)
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    java.lang.NullPointerException: Attempt to invoke interface method 'void com.freshdesk.mobihelp.e.b.e.a(android.graphics.Bitmap, java.lang.String)' on a null object reference at com.freshdesk.mobihelp.e.b.f.onPostExecute() at com.freshdesk.mobihelp.e.b.f.onPostExecute()
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    Stack Overflow | 1 year ago | Default Code
    java.lang.NullPointerException: Attempt to invoke virtual method 'int org.json.JSONObject.getInt(java.lang.String)' on a null object reference at com.example.abdul.sql.MainActivity$Connectingdb.onPostExecute(MainActivity.java:172) at com.example.abdul.sql.MainActivity$Connectingdb.onPostExecute(MainActivity.java:80)
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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to get length of null array

      at com.example.siddhi.meavita.Activities.MainActivity.prepareData()
    2. com.example.siddhi
      GetEventsAsyncTask.onPostExecute
      1. com.example.siddhi.meavita.Activities.MainActivity.prepareData(MainActivity.java:341)
      2. com.example.siddhi.meavita.Activities.MainActivity.doPostExecute(MainActivity.java:370)
      3. com.example.siddhi.meavita.AsyncTaskClasses.GetEventsAsyncTask.onPostExecute(GetEventsAsyncTask.java:107)
      4. com.example.siddhi.meavita.AsyncTaskClasses.GetEventsAsyncTask.onPostExecute(GetEventsAsyncTask.java:28)
      2 similar
      4 frames
    3. Android Platform
      AsyncTask.finish
      1. android.os.AsyncTask.finish(AsyncTask.java:651)
      110 similar
      1 frame