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Posted to common-issues@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2011/01/12 03:39:45 UTC

[jira] Updated: (HADOOP-7101) UserGroupInformation.getCurrentUser() fails when called from non-Hadoop JAAS context

     [ https://issues.apache.org/jira/browse/HADOOP-7101?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon updated HADOOP-7101:
--------------------------------

    Status: Patch Available  (was: Open)

> UserGroupInformation.getCurrentUser() fails when called from non-Hadoop JAAS context
> ------------------------------------------------------------------------------------
>
>                 Key: HADOOP-7101
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7101
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Blocker
>             Fix For: 0.22.0
>
>         Attachments: hadoop-7101.txt
>
>
> If a Hadoop client is run from inside a container like Tomcat, and the current AccessControlContext has a Subject associated with it that is not created by Hadoop, then UserGroupInformation.getCurrentUser() will throw NoSuchElementException, since it assumes that any Subject will have a hadoop User principal.

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