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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2919) Potential race between renew and cancel in DelegationTokenRenwer
Date Fri, 23 Jun 2017 15:02:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-2919?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Naganarasimha G R updated YARN-2919:
------------------------------------
    Attachment: YARN-2919.004.patch

{{TestDelegationTokenRenewer.testCancelWithMultipleAppSubmissions}} is not related to this
patch same was found in other jira's too. Have corrected the checkstyle issues in the current
patch and other test case failures are not related to the patch. Findbugs issue too not related
to the patch (will raise new issues for these shortly).

> Potential race between renew and cancel in DelegationTokenRenwer 
> -----------------------------------------------------------------
>
>                 Key: YARN-2919
>                 URL: https://issues.apache.org/jira/browse/YARN-2919
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 2.6.0
>            Reporter: Karthik Kambatla
>            Assignee: Naganarasimha G R
>            Priority: Critical
>         Attachments: YARN-2919.002.patch, YARN-2919.003.patch, YARN-2919.004.patch, YARN-2919.20141209-1.patch
>
>
> YARN-2874 fixes a deadlock in DelegationTokenRenewer, but there is still a race because
of which a renewal in flight isn't interrupted by a cancel. 



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