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https://issues.apache.org/jira/browse/MAPREDUCE-5275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13683951#comment-13683951
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Karthik Kambatla commented on MAPREDUCE-5275:
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The only issue with adding the methods to Hadoop-2 is that we are expected to
support it for Hadoop-2 and Hadoop-3 at the least. I understand the point of
adding the methods, but think they should at least be marked @Deprecated. What
do you think?
Not suggesting we reopen this. I can address this in MAPREDUCE-5213.
> 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
> Fix For: 2.1.0-beta
>
> Attachments: MAPREDUCE-5275-trunk-1.patch,
> MAPREDUCE-5275-trunk-2.patch, MAPREDUCE-5275-trunk-3.patch,
> MAPREDUCE-5275-trunk-4.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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