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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6619) HADOOP_CLASSPATH is overwritten in MR container
Date Tue, 26 Jan 2016 16:01:40 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6619?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Junping Du updated MAPREDUCE-6619:
----------------------------------
    Attachment: MAPREDUCE-6619-branch-2.patch

It sounds like MAPREDUCE-6454 only went to branch-2 instead of trunk. Submit a patch to fix
the regression on branch-2 so far.

> HADOOP_CLASSPATH is overwritten in MR container
> -----------------------------------------------
>
>                 Key: MAPREDUCE-6619
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6619
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 2.8.0, 2.7.2
>            Reporter: shanyu zhao
>            Assignee: Junping Du
>         Attachments: MAPREDUCE-6619-branch-2.patch
>
>
> Previously env variable HADOOP_CLASSPAH in MR containers inherit from defaults of the
worker node. MAPREDUCE-6454 introduced change to overwrite HADOOP_CLASSPATH completely. This
caused regression. We need to add additional entries to HADOOP_CLASSPATH instead of completely
replacing it.



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