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https://issues.apache.org/jira/browse/MAPREDUCE-3475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daryn Sharp updated MAPREDUCE-3475:
-----------------------------------
Attachment: MAPREDUCE-3475-1.patch
A truly general solution will require touching all components. This patch
fixes the issues for MR tokens by checking the token's renewer against the
login user.
> JT can't renew its own tokens
> -----------------------------
>
> Key: MAPREDUCE-3475
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3475
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Affects Versions: 0.20.205.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Attachments: MAPREDUCE-3475-1.patch, MAPREDUCE-3475.patch
>
>
> When external systems submit jobs whose tasks need to submit additional jobs
> (such as oozie/pig), they include their own MR token used to submit the job.
> The token's renewer may not allow the JT to renew the token. The JT log will
> include very long SASL/GSSAPI exceptions when the job is submitted. It is
> also dubious for the JT to renew its token because it renders the expiry as
> meaningless since the JT will renew its own token until the max lifetime is
> exceeded.
> After speaking with Owen & Jitendra, the immediate solution is for the JT to
> not attempt to renew its own tokens.
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