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https://issues.apache.org/jira/browse/MAPREDUCE-5275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13670999#comment-13670999
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Vinod Kumar Vavilapalli commented on MAPREDUCE-5275:
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I think the changes to loadTokens will breaking binary compatibility. Why not
just add a new method which calls the existing method?
> Mapreduce API: TokenCache incompatibility issues with MR1
> ---------------------------------------------------------
>
> Key: MAPREDUCE-5275
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5275
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Reporter: Zhijie Shen
> Assignee: Mayank Bansal
> Attachments: MAPREDUCE-5275-trunk-1.patch,
> MAPREDUCE-5275-trunk-2.patch
>
>
> There're following incompatibility issues:
> * Token<DelegationTokenIdentifier> getDelegationToken(Credentials, String) is
> removed
> * Credentials loadTokens(String, Configuration) changes to Credentials
> loadTokens(String, JobConf)
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