java.lang.RuntimeException

An error occurred while executing doInBackground()


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via GitHub by lanceschi
, 1 year ago
An error occurred while executing doInBackground()

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via GitHub by billmeek
, 6 months ago
An error occurred while executing doInBackground()

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via GitHub by viperfx
, 1 year ago
An error occurred while executing doInBackground()

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via GitHub by ZaidWaseem10
, 3 months ago
An error occurred while executing doInBackground()

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via GitHub by Nairou
, 11 months ago
An error occurred while executing doInBackground()

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via GitHub by philipwhiuk
, 7 months ago
An error occurred while executing doInBackground()

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via GitHub by bigbighill
, 5 months ago
An error occurred while executing doInBackground()

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An error occurred while executing doInBackground()

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via GitHub by mikolasan
, 2 months ago
An error occurred while executing doInBackground()

Solution icon of github
via GitHub by Blystad
, 11 months ago
An error occurred while executing doInBackground()

Stack trace

  • java.lang.RuntimeException: An error occurred while executing doInBackground() at android.os.AsyncTask$3.done(AsyncTask.java:309) at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:354) at java.util.concurrent.FutureTask.setException(FutureTask.java:223) at java.util.concurrent.FutureTask.run(FutureTask.java:242) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588) at java.lang.Thread.run(Thread.java:818) Caused by: 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(SubtitleController.java:266) at android.media.MediaPlayer.scanInternalSubtitleTracks(MediaPlayer.java:2310) at android.media.MediaPlayer.prepare(MediaPlayer.java:1162) at com.android.soundrecorder.RecorderService$3.doInBackground(RecorderService.java:775) at com.android.soundrecorder.RecorderService$3.doInBackground(RecorderService.java:720) at android.os.AsyncTask$2.call(AsyncTask.java:295) at java.util.concurrent.FutureTask.run(FutureTask.java:237) ... 3 more

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