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https://issues.apache.org/jira/browse/MAPREDUCE-1559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12880310#action_12880310
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Owen O'Malley commented on MAPREDUCE-1559:
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+1
> The DelegationTokenRenewal timer task should use the jobtracker's credentials
> to create the filesystem
> ------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1559
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1559
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Affects Versions: 0.22.0
> Reporter: Devaraj Das
> Assignee: Devaraj Das
> Fix For: 0.22.0
>
> Attachments: MR-1559.1.patch, MR-1559.2.patch, mr-1559.patch
>
>
> The submitJob RPC finally creates a timer task for renewing the delegation
> tokens of the submitting user. This timer task inherits the context of the
> RPC handler that runs in the context of the job submitting user, and when it
> tries to create a filesystem, the RPC client tries to use the user's
> credentials. This should instead use the JobTracker's credentials.
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