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https://issues.apache.org/jira/browse/MAPREDUCE-2420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13026636#comment-13026636
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Boris Shkolnik commented on MAPREDUCE-2420:
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+1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
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[exec] -1 tests included. The patch doesn't appear to include any new
or modified tests.
[exec] Please justify why no new tests are needed
for this patch.
[exec] Also please list what manual steps were
performed to verify this patch.
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[exec] +1 javadoc. The javadoc tool did not generate any warning
messages. [exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
[exec]
[exec]
No unit tests, but I did manual testing using discp copying from the same
cluster or from 0.20 one
> 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-2420.22-1.patch, MR-2420.22-2.patch,
> MR-2420.patch, MR2420-2.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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