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https://issues.apache.org/jira/browse/HDFS-3873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13468956#comment-13468956
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Hudson commented on HDFS-3873:
------------------------------

Integrated in Hadoop-Mapreduce-trunk-Commit #2830 (See 
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Commit/2830/])
    HDFS-3996. Add debug log removed in HDFS-3873 back. Contributed by Eli 
Collins (Revision 1393777)

     Result = FAILURE
eli : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1393777
Files : 
* /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/HftpFileSystem.java

                
> Hftp assumes security is disabled if token fetch fails
> ------------------------------------------------------
>
>                 Key: HDFS-3873
>                 URL: https://issues.apache.org/jira/browse/HDFS-3873
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs client
>    Affects Versions: 0.23.3, 3.0.0, 2.0.2-alpha
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>             Fix For: 0.23.3, 2.0.2-alpha
>
>         Attachments: HDFS-3873.branch-23.patch, HDFS-3873.patch
>
>
> Hftp ignores all exceptions generated while trying to get a token, based on 
> the assumption that it means security is disabled.  Debugging problems is 
> excruciatingly difficult when security is enabled but something goes wrong.  
> Job submissions succeed, but tasks fail because the NN rejects the user as 
> unauthenticated.

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