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https://issues.apache.org/jira/browse/HADOOP-7982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HADOOP-7982:
--------------------------------
Resolution: Fixed
Fix Version/s: 1.1.0
0.23.1
0.24.0
Target Version/s: 0.23.1, 1.1.0 (was: 1.1.0, 0.23.1)
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Committed to trunk, 23, and branch-1. Thanks for the review.
> UserGroupInformation fails to login if thread's context classloader can't
> load HadoopLoginModule
> ------------------------------------------------------------------------------------------------
>
> Key: HADOOP-7982
> URL: https://issues.apache.org/jira/browse/HADOOP-7982
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Affects Versions: 0.23.0, 1.0.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: 0.24.0, 0.23.1, 1.1.0
>
> Attachments: hadoop-7982-branch-1.txt, hadoop-7982.txt
>
>
> In a few hard-to-reproduce situations, we've seen a problem where the UGI
> login call causes a failure to login exception with the following cause:
> Caused by: javax.security.auth.login.LoginException: unable to find
> LoginModule class: org.apache.hadoop.security.UserGroupInformation
> $HadoopLoginModule
> After a bunch of debugging, I determined that this happens when the login
> occurs in a thread whose Context ClassLoader has been set to null.
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