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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1559) The DelegationTokenRenewal timer task should use the jobtracker's credentials to create the filesystem
Date Sat, 19 Jun 2010 01:47:23 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Devaraj Das updated MAPREDUCE-1559:
-----------------------------------

        Status: Resolved  (was: Patch Available)
    Resolution: Fixed

I just committed this. (the patch was manually tested; hard to write a unit test for this
bug)

> 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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