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From "Boris Shkolnik (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2420) JobTracker should be able to renew delegation token over HTTP
Date Tue, 05 Apr 2011 18:49:05 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Boris Shkolnik updated MAPREDUCE-2420:

    Attachment: MR-2420-1.patch

implemented some of Devaraj's comments.

also set stack to empty for artificially created exceptions (on the client side).

Agree with Devaraj that we need a more generic solution for all types of token.

Please open a Jira on this and put these requirements in.

> JobTracker should be able to renew delegation token over HTTP
> -------------------------------------------------------------
>                 Key: MAPREDUCE-2420
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2420
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.20.4
>            Reporter: Boris Shkolnik
>            Assignee: Boris Shkolnik
>         Attachments: MR-2420-1.patch, MR-2420.patch
> in case JobTracker has to talk to a NameNode running a different version (RPC version
mismatch), Jobtracker should be able to fall back to HTTP renewal.
> Example of the case - running distcp between different versions using hfpt.

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