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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14987) Improve KMSClientProvider log around delegation token checking
Date Wed, 01 Nov 2017 17:40:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16234453#comment-16234453
] 

Xiao Chen commented on HADOOP-14987:
------------------------------------

Thanks Xiaoyu for sticking with this one.

+1 pending:
- {{logAllUserInfo(UserGroupInformation ugi)}} could use an annotation too
- sorry I wasn't clear. I was thinking of just setting {{fallbackDefaultPort}} on KMSCP directly
in the unit tests so we don't need configs. My point is, if this is purely for testing, let's
make it as obviously as possible.

> Improve KMSClientProvider log around delegation token checking
> --------------------------------------------------------------
>
>                 Key: HADOOP-14987
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14987
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 2.7.3
>            Reporter: Xiaoyu Yao
>            Assignee: Xiaoyu Yao
>            Priority: Major
>         Attachments: HADOOP-14987.001.patch, HADOOP-14987.002.patch, HADOOP-14987.003.patch,
HADOOP-14987.004.patch
>
>
> KMSClientProvider#containsKmsDt uses SecurityUtil.buildTokenService(addr) to build the
key to look for KMS-DT from the UGI's token map. The token lookup key here varies depending
 on the KMSClientProvider's configuration value for hadoop.security.token.service.use_ip.
In certain cases, the token obtained with non-matching hadoop.security.token.service.use_ip
setting will not be recognized by KMSClientProvider. This ticket is opened to improve logs
for troubleshooting KMS delegation token related issues like this.  



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