java.lang.RuntimeException: An error occured while executing doInBackground()

Stack Overflow | faisal1208 | 3 months ago
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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void java.io.BufferedReader.close()' on a null object reference

      at com.example.accurat.webservice.MainActivity$RestOperation.doInBackground()
    2. com.example.accurat
      MainActivity$RestOperation.doInBackground
      1. com.example.accurat.webservice.MainActivity$RestOperation.doInBackground(MainActivity.java:141)
      2. com.example.accurat.webservice.MainActivity$RestOperation.doInBackground(MainActivity.java:72)
      2 frames
    3. Android Platform
      AsyncTask$2.call
      1. android.os.AsyncTask$2.call(AsyncTask.java:292)
      1 frame
    4. Java RT
      FutureTask.run
      1. java.util.concurrent.FutureTask.run(FutureTask.java:237)
      1 frame
    5. Android Platform
      AsyncTask$SerialExecutor$1.run
      1. android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
      1 frame
    6. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
      3. java.lang.Thread.run(Thread.java:818)
      3 frames