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https://issues.apache.org/jira/browse/MAPREDUCE-6324?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated MAPREDUCE-6324:
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Fix Version/s: 2.8.0
> Uber jobs fail to update AMRM token when it rolls over
> ------------------------------------------------------
>
> Key: MAPREDUCE-6324
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6324
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mr-am
> Affects Versions: 2.6.0
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Priority: Blocker
> Labels: 2.6.1-candidate
> Fix For: 2.6.1, 2.8.0, 2.7.1, 3.0.0-alpha1
>
> Attachments: MAPREDUCE-6324.001.patch, MAPREDUCE-6324.002.patch
>
>
> When the RM rolls a new AMRM master key the AMs are supposed to receive a new
> AMRM token on subsequent heartbeats between the time when the new key is
> rolled and when it is activated. This is not occurring for uber jobs. If
> the connection to the RM needs to be re-established after the new key is
> activated (e.g.: RM restart or network hiccup) then the uber job AM will be
> unable to reconnect to the RM.
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