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From "Luke Cwik (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (BEAM-2373) AvroSource: Premature End of stream Exception on SnappyCompressorInputStream
Date Thu, 29 Jun 2017 19:47:01 GMT

     [ https://issues.apache.org/jira/browse/BEAM-2373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Luke Cwik resolved BEAM-2373.
-----------------------------
    Resolution: Fixed

> AvroSource: Premature End of stream Exception on SnappyCompressorInputStream
> ----------------------------------------------------------------------------
>
>                 Key: BEAM-2373
>                 URL: https://issues.apache.org/jira/browse/BEAM-2373
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-core
>    Affects Versions: 2.0.0
>            Reporter: Michael Luckey
>            Assignee: Michael Luckey
>            Priority: Critical
>             Fix For: 2.1.0
>
>
> During processing we encountered on some of our snappy encoded avro input files
> {noformat}
> Exception in thread "main" java.lang.RuntimeException: java.io.IOException: Premature
end of stream
>  at org.apache.beam.runners.direct.DirectRunner$DirectPipelineResult.waitUntilFinish(DirectRunner.java:330)
>  at org.apache.beam.runners.direct.DirectRunner$DirectPipelineResult.waitUntilFinish(DirectRunner.java:292)
>  at org.apache.beam.runners.direct.DirectRunner.run(DirectRunner.java:200)
>  at org.apache.beam.runners.direct.DirectRunner.run(DirectRunner.java:63)
>  at org.apache.beam.sdk.Pipeline.run(Pipeline.java:295)
>  at org.apache.beam.sdk.Pipeline.run(Pipeline.java:281)
> Caused by: java.io.IOException: Premature end of stream
>  at org.apache.beam.sdk.repackaged.org.apache.commons.compress.compressors.snappy.SnappyCompressorInputStream.expandLiteral(SnappyCompressorInputStream.java:310)
>  at org.apache.beam.sdk.repackaged.org.apache.commons.compress.compressors.snappy.SnappyCompressorInputStream.fill(SnappyCompressorInputStream.java:169)
>  at org.apache.beam.sdk.repackaged.org.apache.commons.compress.compressors.snappy.SnappyCompressorInputStream.read(SnappyCompressorInputStream.java:134)
>  at org.apache.avro.io.BinaryDecoder$InputStreamByteSource.tryReadRaw(BinaryDecoder.java:839)
>  at org.apache.avro.io.BinaryDecoder$ByteSource.compactAndFill(BinaryDecoder.java:692)
>  at org.apache.avro.io.BinaryDecoder.ensureBounds(BinaryDecoder.java:471)
>  at org.apache.avro.io.BinaryDecoder.readInt(BinaryDecoder.java:128)
>  at org.apache.avro.io.BinaryDecoder.readIndex(BinaryDecoder.java:423)
>  at org.apache.avro.io.ResolvingDecoder.doAction(ResolvingDecoder.java:290)
>  at org.apache.avro.io.parsing.Parser.advance(Parser.java:88)
>  at org.apache.avro.io.ResolvingDecoder.readIndex(ResolvingDecoder.java:267)
>  at org.apache.avro.generic.GenericDatumReader.readWithoutConversion(GenericDatumReader.java:178)
>  at org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:152)
>  at org.apache.avro.generic.GenericDatumReader.readField(GenericDatumReader.java:240)
>  at org.apache.avro.generic.GenericDatumReader.readRecord(GenericDatumReader.java:230)
>  at org.apache.avro.generic.GenericDatumReader.readWithoutConversion(GenericDatumReader.java:174)
>  at org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:152)
>  at org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:144)
>  at org.apache.beam.sdk.io.AvroSource$AvroBlock.readNextRecord(AvroSource.java:579)
>  at org.apache.beam.sdk.io.BlockBasedSource$BlockBasedReader.readNextRecord(BlockBasedSource.java:198)
>  at org.apache.beam.sdk.io.FileBasedSource$FileBasedReader.advanceImpl(FileBasedSource.java:479)
>  at org.apache.beam.sdk.io.OffsetBasedSource$OffsetBasedReader.advance(OffsetBasedSource.java:277)
>  at org.apache.beam.runners.direct.BoundedReadEvaluatorFactory$BoundedReadEvaluator.processElement(BoundedReadEvaluatorFactory.java:148)
>  at org.apache.beam.runners.direct.TransformExecutor.processElements(TransformExecutor.java:146)
>  at org.apache.beam.runners.direct.TransformExecutor.run(TransformExecutor.java:110)
>  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>  at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  at java.lang.Thread.run(Thread.java:745)
> {noformat}
> This seems to be caused by a bug in apache.commons.compress:1.9, which was addressed
here:
> https://github.com/apache/commons-compress/commit/9ae37525134089dd0c9ee1cf8738192b70e0fc07
> Used a pipeline using AvroIO, on spark and direct, both on hdfs and local file system.
> In our short tests we got it running without exceptions by either:
> * upgrading to commons.compress:1.14
> * applying the patch to the 1.9er code of SnappyCompressorInputStream
> Impacts on other components were not tested, of course :(



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