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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2919) Potential race between renew and cancel in DelegationTokenRenwer
Date Wed, 05 Jul 2017 22:08:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-2919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16075512#comment-16075512
] 

Junping Du commented on YARN-2919:
----------------------------------

Latest patch LGTM. +1. Will commit it tomorrow if no further comments from others.

> 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-2919.005.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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