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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-264) y.s.rm.DelegationTokenRenewer attempts to renew token even after removing an app
Date Fri, 14 Dec 2012 10:50:14 GMT

    [ https://issues.apache.org/jira/browse/YARN-264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13532230#comment-13532230
] 

Hudson commented on YARN-264:
-----------------------------

Integrated in Hadoop-Yarn-trunk #65 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/65/])
    YARN-264. y.s.rm.DelegationTokenRenewer attempts to renew token even after removing an
app. (kkambatl via tucu) (Revision 1421575)

     Result = SUCCESS
tucu : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1421575
Files : 
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java

                
> y.s.rm.DelegationTokenRenewer attempts to renew token even after removing an app
> --------------------------------------------------------------------------------
>
>                 Key: YARN-264
>                 URL: https://issues.apache.org/jira/browse/YARN-264
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.0.2-alpha
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>             Fix For: 2.0.3-alpha
>
>         Attachments: yarn-264.patch, yarn-264.patch, yarn-264.patch, yarn-264.patch,
yarn-264.patch
>
>
> yarn.s.rm.security.DelegationTokenRenewer uses TimerTask/Timer. When such a timer task
is canceled, already scheduled tasks run to completion. The task should check for such cancellation
before running. Also, delegationTokens needs to be synchronized on all accesses.

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