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From "Alejandro Abdelnur (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3380) Token infrastructure for running clients which are not kerberos authenticated
Date Fri, 11 Nov 2011 01:40:51 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13148201#comment-13148201
] 

Alejandro Abdelnur commented on MAPREDUCE-3380:
-----------------------------------------------

@Mahadev, the user running the Oozie server (unix UID for Pseudo auth, kerberos principal
for Kerberos auth) is configured in Hadoop as a proxyuser. Then, users submit jobs to Oozie
and Oozie does the corresponding doAs.


                
> Token infrastructure for running clients which are not kerberos authenticated
> -----------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3380
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3380
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: mr-am
>    Affects Versions: 0.23.0
>            Reporter: Alejandro Abdelnur
>            Priority: Blocker
>             Fix For: 0.23.1
>
>         Attachments: MAPREDUCE-3380.branch-0.23.patch, MAPREDUCE-3380.branch-0.23.patch
>
>
> The JobClient.getDelegationToken() method is returning NULL, this makes Oozie fail when
trying to get the delegation token to use it for starting a job.
> What is seems to be happing is that Jobclient.getDelegationToken() calls Cluster.getDelegationToken()
that calls YarnRunner.getDelegationToken() that calls ResourceMgrDelegate.getDelegationToken().
And the last one is not implemented. (Thanks Ahmed for tracing this in MR2 code)

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