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https://issues.apache.org/jira/browse/SPARK-36681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17412273#comment-17412273
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L. C. Hsieh commented on SPARK-36681:
-------------------------------------
After discussing with some PMC members, as this only affects sequence file
(snappy codec), we will document it as known issue for 3.2 release. I will
change it from blocker to normal bug.
> Fail to load Snappy codec
> -------------------------
>
> Key: SPARK-36681
> URL: https://issues.apache.org/jira/browse/SPARK-36681
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 3.2.0
> Reporter: L. C. Hsieh
> Priority: Major
>
> snappy-java as a native library should not be relocated in Hadoop shaded
> client libraries. Currently we use Hadoop shaded client libraries in Spark.
> If trying to use SnappyCodec to write sequence file, we will encounter the
> following error:
> {code}
> [info] Cause: java.lang.UnsatisfiedLinkError:
> org.apache.hadoop.shaded.org.xerial.snappy.SnappyNative.rawCompress(Ljava/nio/ByteBuffer;IILjava/nio/ByteBuffer;I)I
> [info] at
> org.apache.hadoop.shaded.org.xerial.snappy.SnappyNative.rawCompress(Native
> Method)
>
> [info] at
> org.apache.hadoop.shaded.org.xerial.snappy.Snappy.compress(Snappy.java:151)
>
>
> [info] at
> org.apache.hadoop.io.compress.snappy.SnappyCompressor.compressDirectBuf(SnappyCompressor.java:282)
> [info] at
> org.apache.hadoop.io.compress.snappy.SnappyCompressor.compress(SnappyCompressor.java:210)
> [info] at
> org.apache.hadoop.io.compress.BlockCompressorStream.compress(BlockCompressorStream.java:149)
> [info] at
> org.apache.hadoop.io.compress.BlockCompressorStream.finish(BlockCompressorStream.java:142)
> [info] at
> org.apache.hadoop.io.SequenceFile$BlockCompressWriter.writeBuffer(SequenceFile.java:1589)
>
> [info] at
> org.apache.hadoop.io.SequenceFile$BlockCompressWriter.sync(SequenceFile.java:1605)
> [info] at
> org.apache.hadoop.io.SequenceFile$BlockCompressWriter.close(SequenceFile.java:1629)
>
> {code}
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