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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6312) WebHdfs HA failover is broken on secure clusters
Date Thu, 19 Jun 2014 23:10:26 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6312?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alejandro Abdelnur updated HDFS-6312:
-------------------------------------

       Resolution: Fixed
    Fix Version/s: 2.5.0
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

Thanks Daryn and Yongjun. Committed to trunk and branch-2.

(on the commit message i've given credit to Daryn as i saw the JIRA was assigned to him, sorry
for the mishap).

> WebHdfs HA failover is broken on secure clusters
> ------------------------------------------------
>
>                 Key: HDFS-6312
>                 URL: https://issues.apache.org/jira/browse/HDFS-6312
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: webhdfs
>    Affects Versions: 3.0.0, 2.4.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Blocker
>             Fix For: 2.5.0
>
>         Attachments: HDFS-6312.attempted.patch
>
>
> When webhdfs does a failover, it blanks out the delegation token.  This will cause subsequent
operations against the other NN to acquire a new token.  Tasks cannot acquire a token (no
kerberos credentials) so jobs will fail.



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