Playback error
com.google.android.exoplayer2.ExoPlaybackException: Source error
at com.google.android.exoplayer2.ExoPlayerImplInternal.handleIoException(ExoPlayerImplInternal.java:637)
at com.google.android.exoplayer2.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:609)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loopOnce(Looper.java:205)
at android.os.Looper.loop(Looper.java:294)
at android.os.HandlerThread.run(HandlerThread.java:67)
Caused by: com.google.android.exoplayer2.upstream.HttpDataSource$HttpDataSourceException: java.net.SocketException: Connection reset
at com.google.android.exoplayer2.upstream.DefaultHttpDataSource.read(DefaultHttpDataSource.java:489)
at com.google.android.exoplayer2.upstream.DefaultDataSource.read(DefaultDataSource.java:267)
at com.google.android.exoplayer2.upstream.StatsDataSource.read(StatsDataSource.java:92)
at com.google.android.exoplayer2.extractor.DefaultExtractorInput.readFromUpstream(DefaultExtractorInput.java:291)
at com.google.android.exoplayer2.extractor.DefaultExtractorInput.readFully(DefaultExtractorInput.java:80)
at com.google.android.exoplayer2.extractor.DefaultExtractorInput.readFully(DefaultExtractorInput.java:88)
at com.google.android.exoplayer2.extractor.mp4.Mp4Extractor.readAtomPayload(Mp4Extractor.java:441)
at com.google.android.exoplayer2.extractor.mp4.Mp4Extractor.read(Mp4Extractor.java:254)
at com.google.android.exoplayer2.source.BundledExtractorsAdapter.read(BundledExtractorsAdapter.java:127)
at com.google.android.exoplayer2.source.ProgressiveMediaPeriod$ExtractingLoadable.load(ProgressiveMediaPeriod.java:1039)
at com.google.android.exoplayer2.upstream.Loader$LoadTask.run(Loader.java:412)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:644)
at java.lang.Thread.run(Thread.java:1012)
Caused by: java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:191)
at java.net.SocketInputStream.read(SocketInputStream.java:143)
at com.android.okhttp.okio.Okio$2.read(Okio.java:138)
at com.android.okhttp.okio.AsyncTimeout$2.read(AsyncTimeout.java:213)
at com.android.okhttp.okio.RealBufferedSource.read(RealBufferedSource.java:51)
at com.android.okhttp.internal.http.Http1xStream$UnknownLengthSource.read(Http1xStream.java:491)
at com.android.okhttp.okio.RealBufferedSource$1.read(RealBufferedSource.java:372)
at com.google.android.exoplayer2.upstream.DefaultHttpDataSource.readInternal(DefaultHttpDataSource.java:777)
at com.google.android.exoplayer2.upstream.DefaultHttpDataSource.read(DefaultHttpDataSource.java:487)
at com.google.android.exoplayer2.upstream.DefaultDataSource.read(DefaultDataSource.java:267) 
at com.google.android.exoplayer2.upstream.StatsDataSource.read(StatsDataSource.java:92) 
at com.google.android.exoplayer2.extractor.DefaultExtractorInput.readFromUpstream(DefaultExtractorInput.java:291) 
at com.google.android.exoplayer2.extractor.DefaultExtractorInput.readFully(DefaultExtractorInput.java:80) 
at com.google.android.exoplayer2.extractor.DefaultExtractorInput.readFully(DefaultExtractorInput.java:88) 
at com.google.android.exoplayer2.extractor.mp4.Mp4Extractor.readAtomPayload(Mp4Extractor.java:441) 
at com.google.android.exoplayer2.extractor.mp4.Mp4Extractor.read(Mp4Extractor.java:254) 
at com.google.android.exoplayer2.source.BundledExtractorsAdapter.read(BundledExtractorsAdapter.java:127) 
at com.google.android.exoplayer2.source.ProgressiveMediaPeriod$ExtractingLoadable.load(ProgressiveMediaPeriod.java:1039) 
at com.google.android.exoplayer2.upstream.Loader$LoadTask.run(Loader.java:412) 
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:644) 
at java.lang.Thread.run(Thread.java:1012) 
17:41:54.501 E initializePlayer: IoIssue
17:41:54.502 I Init cdde4b9 [ExoPlayerLib/2.18.2] [lion, moto g04, motorola, 34]
17:41:54.541 E onPlayerError: Source error

I am using exoplayer to play locally .enc files (encrypted mp4 videos). Most of the files are playing but some of them are not playing (getting source error).

Anyone have solution ?? Help me out.