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https://issues.apache.org/jira/browse/MAPREDUCE-4921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13551267#comment-13551267
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Daryn Sharp commented on MAPREDUCE-4921:
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The test failure is caused MAPREDUCE-4520. I've filed MAPREDUCE-4936.
Otherwise this patch is clean.
> JobClient should acquire HS token with RM principal
> ---------------------------------------------------
>
> Key: MAPREDUCE-4921
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4921
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: client
> Affects Versions: 3.0.0, 2.0.3-alpha, 0.23.6
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Priority: Blocker
> Attachments: MAPREDUCE-4921.branch-23.patch,
> MAPREDUCE-4921.branch-23.patch, MAPREDUCE-4921.patch, MAPREDUCE-4921.patch
>
>
> The job client may acquire a history server token during job submission. The
> renewer is specified in a config value that the user must supply (for new
> api, a bit different for old api). If this value is not the RM's principal,
> then the RM cannot renew the token and long running jobs will fail. Since
> the token is implicitly acquired for the job, the HS token's renewer should
> always be the RM's principal.
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