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Posted to issues@spark.apache.org by "Chao Sun (Jira)" <ji...@apache.org> on 2022/03/09 07:34:00 UTC

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

     [ https://issues.apache.org/jira/browse/SPARK-36679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chao Sun resolved SPARK-36679.
------------------------------
    Fix Version/s: 3.3.0
       Resolution: Duplicate

> 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
>            Priority: Major
>             Fix For: 3.3.0
>
>
> 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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