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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1107) Job submitted with Delegation token in secured environment causes RM to fail during RM restart
Date Thu, 29 Aug 2013 22:29:51 GMT

    [ https://issues.apache.org/jira/browse/YARN-1107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13754140#comment-13754140
] 

Vinod Kumar Vavilapalli commented on YARN-1107:
-----------------------------------------------

Thinking back, I am increasingly getting uncomfortable with this solution, it all seems like
a hack. How about this solution (which incidentally was the first solution that occurred to
me):
 - Start the TokenRenewer only after ClientRMService starts.
 - During recovery, just enqueue all the token-requests
 - It is TokenRenewer's responsibility to set up the short-cut. ClientRMService shouldn't
have any knowledge of this.
 - Globally, there is a dependency of starting TokenRenewer after ClientRMService.

This seems much natural to me. Shouldn't be too much of a change too. Thoughts?
                
> Job submitted with Delegation token in secured environment causes RM to fail during RM
restart
> ----------------------------------------------------------------------------------------------
>
>                 Key: YARN-1107
>                 URL: https://issues.apache.org/jira/browse/YARN-1107
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.1.0-beta
>            Reporter: Arpit Gupta
>            Assignee: Omkar Vinit Joshi
>            Priority: Blocker
>         Attachments: rm.log, YARN-1107.20130828.1.patch
>
>
> If secure RM with recovery enabled is restarted while oozie jobs are running rm fails
to come up.

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