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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3873) Hftp assumes security is disabled if token fetch fails
Date Thu, 27 Sep 2012 15:46:08 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464827#comment-13464827
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Daryn Sharp commented on HDFS-3873:
-----------------------------------

I think it was being double logged, so it should be getting logged at a higher level...  I'm
not sure why you aren't seeing the cause because the applicable line is {{throw new IOException("Unable
to obtain remote token", e)}}.  It's rather disconcerting that a NPE is being thrown?
                
> 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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