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https://issues.apache.org/jira/browse/HDFS-6312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14038906#comment-14038906
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Hudson commented on HDFS-6312:
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FAILURE: Integrated in Hadoop-Mapreduce-trunk #1807 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1807/])
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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