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Posted to mapreduce-issues@hadoop.apache.org by "Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org> on 2013/05/08 20:03:16 UTC

[jira] [Updated] (MAPREDUCE-5157) Sort in hadoop-1 examples is not binary compatible with hadoop-2 mapred.lib

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinod Kumar Vavilapalli updated MAPREDUCE-5157:
-----------------------------------------------

    Status: Open  (was: Patch Available)

HDFS-4305 is committed. Can you reattach the same patch and run it through Jenkins?
                
> Sort in hadoop-1 examples is not binary compatible with hadoop-2 mapred.lib
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5157
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5157
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>         Attachments: MAPREDUCE-5157.1.patch, MAPREDUCE-5157.1.patch
>
>
> In SORT example, org.apache.hadoop.mapred.lib.InputSampler.Sampler is used in hadoop-1. However, after upgrading to hadoop-2, org.apache.hadoop.mapred.lib.InputSampler is modified to extend org.apache.hadoop.mapreduce.lib.partition.InputSampler, and the inner class, Sampler, has been moved to the superclass. Therefore, hadoop-1 SORT can not find Sampler when it runs with hadoop-2 framework.

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