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https://issues.apache.org/jira/browse/HBASE-17884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16826650#comment-16826650
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Andrew Purtell commented on HBASE-17884:
----------------------------------------

Does it? I haven’t attempted a 1.4 RC for a while. If so we can revert it on 
branch-1.4. For branch-1 and 1.5.0 for a new minor I believe this kind of CP 
change is allowed and certainly it is worth it (IMHO)

> Backport HBASE-16217 to branch-1
> --------------------------------
>
>                 Key: HBASE-17884
>                 URL: https://issues.apache.org/jira/browse/HBASE-17884
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Coprocessors, security
>            Reporter: Gary Helmling
>            Assignee: Gary Helmling
>            Priority: Major
>             Fix For: 1.5.0, 1.4.10
>
>         Attachments: HBASE-17884-branch-1.patch, HBASE-17884-branch-1.patch, 
> HBASE-17884.branch-1.001.patch
>
>
> The change to add calling user to ObserverContext in HBASE-16217 should also 
> be applied to branch-1 to avoid use of UserGroupInformation.doAs() for access 
> control checks.



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