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Posted to issues@spark.apache.org by "Cheng Lian (JIRA)" <ji...@apache.org> on 2015/08/04 12:07:04 UTC

[jira] [Created] (SPARK-9593) Hive ShimLoader loads wrong Hadoop shims when Spark is compiled against Hadoop 2.0.0-mr1-cdh4.1.1

Cheng Lian created SPARK-9593:
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             Summary: Hive ShimLoader loads wrong Hadoop shims when Spark is compiled against Hadoop 2.0.0-mr1-cdh4.1.1
                 Key: SPARK-9593
                 URL: https://issues.apache.org/jira/browse/SPARK-9593
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.5.0
            Reporter: Cheng Lian
            Assignee: Cheng Lian
            Priority: Blocker


Internally, Hive {{ShimLoader}} tries to load different versions of Hadoop shims by checking version information gathered from Hadoop jar files.  If the major version number is 1, {{Hadoop20SShims}} will be loaded.  Otherwise, if the major version number is 2, {{Hadoop23Shims}} will be chosen.  However, CDH Hadoop versions like 2.0.0-mr1-cdh4.1.1 have 2 as major version number, but contain Hadoop 1 code.  This confuses Hive {{ShimLoader}} and loads wrong version of shims.



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