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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6354) NN startup does not fail when it fails to login with the spnego principal
Date Tue, 27 May 2014 13:30:02 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14009656#comment-14009656
] 

Daryn Sharp commented on HDFS-6354:
-----------------------------------

The multiple principal spnego support feature should indirectly uncover a misconfiguration
since it has to read the keytab (which may throw) and then throws if no HTTP principals are
found.  Perhaps we need to extend the auth handler to verify an explicit principal is in the
keytab too.

> NN startup does not fail when it fails to login with the spnego principal
> -------------------------------------------------------------------------
>
>                 Key: HDFS-6354
>                 URL: https://issues.apache.org/jira/browse/HDFS-6354
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.2.0
>            Reporter: Arpit Gupta
>
> I have noticed where the NN startup did not report any issues the login fails because
either the keytab is wrong or the principal does not exist etc. This can be mis leading and
lead to authentication failures when a client tries to authenticate to the spnego principal.



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