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

google.com | 1 month ago
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    Android >=5.0 MediaPlayer prepare fails

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    java.io.IOException: Prepare failed.: status=0x1
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    GitHub | 5 months ago | gijoehosaphat
    java.lang.RuntimeException: An error occured while executing doInBackground()
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Root Cause Analysis

  1. java.lang.NullPointerException

    Attempt to invoke virtual method 'android.os.Message android.os.Handler.obtainMessage(int)' on a null object reference

    at android.media.SubtitleController.selectDefaultTrack()
  2. Android Platform
    MediaPlayer.prepare
    1. android.media.SubtitleController.selectDefaultTrack(SubtitleController.java:266)
    2. android.media.MediaPlayer.scanInternalSubtitleTracks(MediaPlayer.java:2310)
    3. android.media.MediaPlayer.prepare(MediaPlayer.java:1162)
    3 frames
  3. com.android.soundrecorder
    RecorderService$3.doInBackground
    1. com.android.soundrecorder.RecorderService$3.doInBackground(RecorderService.java:775)
    2. com.android.soundrecorder.RecorderService$3.doInBackground(RecorderService.java:720)
    2 frames
  4. Android Platform
    AsyncTask$2.call
    1. android.os.AsyncTask$2.call(AsyncTask.java:295)
    1 frame
  5. Java RT
    Thread.run
    1. java.util.concurrent.FutureTask.run(FutureTask.java:237)
    2. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
    3. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
    4. java.lang.Thread.run(Thread.java:818)
    4 frames