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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7189) Add ability to enable 'debug' property in JAAS configuration
Date Thu, 12 May 2011 13:31:47 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13032404#comment-13032404
] 

Hudson commented on HADOOP-7189:
--------------------------------

Integrated in Hadoop-Common-trunk #686 (See [https://builds.apache.org/hudson/job/Hadoop-Common-trunk/686/])
    HADOOP-7189. Add ability to enable debug property in JAAS configuration. Contributed by
Ted Yu.


> Add ability to enable 'debug' property in JAAS configuration
> ------------------------------------------------------------
>
>                 Key: HADOOP-7189
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7189
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Ted Yu
>            Priority: Minor
>              Labels: newbie
>         Attachments: HADOOP-7189.patch, HADOOP-7189.txt, enable-UGI-debug-example.txt
>
>
> Occasionally users have run into weird "Unable to login" messages. Unfortunately, JAAS
obscures the underlying exception message in many cases because it thinks leaking the exception
might be insecure in itself. Enabling the "debug" option in the JAAS configuration gets it
to dump the underlying issue and makes troubleshooting this kind of issue easier.

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