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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10475) ConcurrentModificationException in AbstractDelegationTokenSelector.selectToken()
Date Wed, 09 Apr 2014 03:10:18 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13963746#comment-13963746
] 

Jing Zhao commented on HADOOP-10475:
------------------------------------

Tests failed because ConcurrentHashMap does not support null key. I'm not sure why we want
to allow null key for token map. I will post a patch which simply reverts the corresponding
change from HADOOP-8726.

> ConcurrentModificationException in AbstractDelegationTokenSelector.selectToken()
> --------------------------------------------------------------------------------
>
>                 Key: HADOOP-10475
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10475
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 2.4.0
>            Reporter: Arpit Gupta
>            Assignee: Jing Zhao
>         Attachments: HADOOP-10475.000.patch, HADOOP-10475.001.patch
>
>
> While running a hive job on a HA cluster saw ConcurrentModificationException in AbstractDelegationTokenSelector.selectToken()



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