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https://issues.apache.org/jira/browse/HIVE-4139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13600329#comment-13600329
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Ashutosh Chauhan commented on HIVE-4139:
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* Was there a reason to add this flag -XX:+CMSClassUnloadingEnabled ?
* Can you briefly spell out the reason for shimming DFS and MiniMR cluster.
Specifically, how these two are different in 20S and 23 ?
* There are some println statements which are commented. It will be good to
change them to LOG.info
* After HIVE-4148 ivy.xmls are cleaned up, do we still need new deps of this
patch?
> MiniDFS shim does not work for hadoop 2
> ---------------------------------------
>
> Key: HIVE-4139
> URL: https://issues.apache.org/jira/browse/HIVE-4139
> Project: Hive
> Issue Type: Bug
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Attachments: HIVE-4139.1.patch, HIVE-4139.2.patch, HIVE-4139.3.patch
>
>
> There's an incompatibility between hadoop 1 & 2 wrt to the MiniDfsCluster
> class. That causes the hadoop 2 line Minimr tests to fail with a
> "MethodNotFound" exception.
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