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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10850) getEZForPath should NOT throw FNF
Date Fri, 30 Sep 2016 14:20:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Kihwal Lee updated HDFS-10850:
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 3.0.0-alpha2
           Status: Resolved  (was: Patch Available)

Thanks for investigating and fixing this, Andrew and thanks for reviewing the fix, Rakesh.
I've verified {{TestEncryptionZones}} passes on branch-2 and branch-2.8 after the patch.

> getEZForPath should NOT throw FNF
> ---------------------------------
>                 Key: HDFS-10850
>                 URL: https://issues.apache.org/jira/browse/HDFS-10850
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs
>    Affects Versions: 2.8.0
>            Reporter: Daryn Sharp
>            Assignee: Andrew Wang
>            Priority: Blocker
>             Fix For: 2.8.0, 3.0.0-alpha2
>         Attachments: HDSF-10850.001.patch
> HDFS-9433 made an incompatible change to the semantics of getEZForPath.  It used to return
the EZ of the closest ancestor path.  It never threw FNF.  A common use of getEZForPath to
determining if a file can be renamed, or must be copied due to mismatched EZs.  Notably, this
has broken hive.

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