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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3472) Possible leak in DelegationTokenRenewer#allTokens
Date Tue, 14 Apr 2015 11:38:17 GMT

    [ https://issues.apache.org/jira/browse/YARN-3472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14493972#comment-14493972
] 

Hudson commented on YARN-3472:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #897 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/897/])
YARN-3472. Fixed possible leak in DelegationTokenRenewer#allTokens. Contributed by Rohith
Sharmaks (jianhe: rev a1afbc48b53f6bdbd30dc8eb56a7621d49c5d6db)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/security/TestDelegationTokenRenewer.java
* hadoop-yarn-project/CHANGES.txt


> Possible leak in DelegationTokenRenewer#allTokens 
> --------------------------------------------------
>
>                 Key: YARN-3472
>                 URL: https://issues.apache.org/jira/browse/YARN-3472
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jian He
>            Assignee: Rohith
>             Fix For: 2.8.0
>
>         Attachments: 0001-YARN-3472.patch, 0002-YARN-3472.patch
>
>
> When old token is expiring and being removed, it's not removed from the allTokens map,
resulting in possible leak. 
> {code}
> if (t.token.getKind().equals(new Text("HDFS_DELEGATION_TOKEN"))) {
>               iter.remove();
>               t.cancelTimer();
>               LOG.info("Removed expiring token " + t);
>             }
> {code}



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