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https://issues.apache.org/jira/browse/MAPREDUCE-3639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13182892#comment-13182892
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Siddharth Seth commented on MAPREDUCE-3639:
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@Daryn, That check should not be present. getCanonicalServiceName will return
null for filesystems like viewfs. With that additional check - TokenCache will
not get tokens for the underlying filesystems.
@Thomas - didn't run the ant tests earlier. Looks like testGetTokensForViewFS
is fixed, but HftpFS is not. Do you know when these tests started failing ?
> TokenCache likely broken for FileSystems which don't issue delegation tokens
> ----------------------------------------------------------------------------
>
> Key: MAPREDUCE-3639
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3639
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Siddharth Seth
> Assignee: Siddharth Seth
> Priority: Blocker
> Attachments: MR3639.txt
>
>
> Ref HADOOP-7963.
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