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From "Xiaoyu Yao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13381) KMS clients should use KMS Delegation Tokens from current UGI.
Date Fri, 21 Oct 2016 21:51:58 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15596481#comment-15596481

Xiaoyu Yao commented on HADOOP-13381:

Propose to backport this to branch-2.8, the cherrypick from branch-2 commit is clean and TestKMS
passed successfully.  
What do you think, [~xiaochen].

> KMS clients should use KMS Delegation Tokens from current UGI.
> --------------------------------------------------------------
>                 Key: HADOOP-13381
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13381
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: kms
>    Affects Versions: 2.6.0
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>            Priority: Critical
>             Fix For: 2.9.0, 3.0.0-alpha1
>         Attachments: HADOOP-13381.01.patch, HADOOP-13381.02.patch, HADOOP-13381.03.patch,
> When {{/tmp}} is setup as an EZ, one may experience YARN log aggregation failure after
the very first KMS token is expired. The MR job itself runs fine though.
> When this happens, YARN NodeManager's log will show {{AuthenticationException}} with
{{token is expired}} / {{token can't be found in cache}}, depending on whether the expired
token is removed by the background or not.

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