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Date: Wed, 11 May 2011 21:23:48 +0000 (UTC)
From: "Ted Yu (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HADOOP-7189) Add ability to enable 'debug'
 property in JAAS configuration
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     [ https://issues.apache.org/jira/browse/HADOOP-7189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu updated HADOOP-7189:
---------------------------

    Attachment:     (was: HADOOP-7189.txt)

> 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: 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Ted Yu
>            Priority: Minor
>              Labels: newbie
>         Attachments: HADOOP-7189.patch, 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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