title: When am using MediaPlayer, it shows " E/ExtMediaPlayer-JNI: env->IsInstanceOf fails " error . How to solve it?
body: <p>i read mp3 file from raw directory, it works fine but when am start media player at every time show some error ( is below on ).</p>
  
  <p>My code is...</p>
  
  <pre><code>player1 = MediaPlayer.create(view.getContext(), R.raw.song1);
  player2 = MediaPlayer.create(view.getContext(), R.raw.song2);
  PlaySound(player1):
  
  public void PlaySound(MediaPlayer mediaPlayer ){
      if (mediaPlayer != null) {
         mediaPlayer.start();
        }
  }
  </code></pre>
  
  <p>Erorr is..</p>
  
  <pre><code>E/ExtMediaPlayer-JNI: env-&gt;IsInstanceOf fails
  E/MediaPlayer-JNI: JNIMediaPlayerFactory: bIsQCMediaPlayerPresent 0
  E/MediaPlayer-JNI: JNIMediaPlayerFactory: bIsQCMediaPlayerPresent 0
  E/ExtMediaPlayer-JNI: env-&gt;IsInstanceOf fails
  E/MediaPlayer-JNI: JNIMediaPlayerFactory: bIsQCMediaPlayerPresent 0
  E/ExtMediaPlayer-JNI: env-&gt;IsInstanceOf fails
  E/MediaPlayer-JNI: JNIMediaPlayerFactory: bIsQCMediaPlayerPresent 0
  </code></pre>
  
  <p>advance thanks,
  i hope anyone can help me..</p>