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Posted to issues@spark.apache.org by "L. C. Hsieh (Jira)" <ji...@apache.org> on 2021/09/06 21:13:00 UTC

[jira] [Created] (SPARK-36679) Remove lz4 hadoop wrapper classes after Hadoop 3.3.2

L. C. Hsieh created SPARK-36679:
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             Summary: Remove lz4 hadoop wrapper classes after Hadoop 3.3.2
                 Key: SPARK-36679
                 URL: https://issues.apache.org/jira/browse/SPARK-36679
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 3.3.0
            Reporter: L. C. Hsieh


Lz4-java as provided dependency is not correctly excluded from relocation in Hadoop shaded client libraries in Hadoop 3.3.1. (HADOOP-17891)

 

In order to deal the issue without reverting back to non-shade client libraries, we add a few Lz4 Hadoop wrapper classes `LZ4Factory`, `LZ4Compressor`, and `LZ4SafeDecompressor`, under the package `org.apache.hadoop.shaded.net.jpountz.lz4`.

We should remove these wrapper classes after Hadoop 3.3.2 release which should include the fix.

 



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