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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6312) WebHdfs HA failover is broken on secure clusters
Date Fri, 20 Jun 2014 11:29:28 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14038703#comment-14038703
] 

Hudson commented on HDFS-6312:
------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #589 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/589/])
HDFS-6312. WebHdfs HA failover is broken on secure clusters. (daryn via tucu) (tucu: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1604045)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java


> 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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