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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7546) Document, and set an accepting default for dfs.namenode.kerberos.principal.pattern
Date Wed, 17 Jun 2015 18:27:02 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14590264#comment-14590264
] 

Allen Wittenauer commented on HDFS-7546:
----------------------------------------

I committed this to trunk only because my time is more valuable than branch-2.

> Document, and set an accepting default for dfs.namenode.kerberos.principal.pattern
> ----------------------------------------------------------------------------------
>
>                 Key: HDFS-7546
>                 URL: https://issues.apache.org/jira/browse/HDFS-7546
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 2.1.1-beta
>            Reporter: Harsh J
>            Assignee: Harsh J
>            Priority: Minor
>              Labels: supportability
>             Fix For: 3.0.0
>
>         Attachments: HDFS-7546.patch
>
>
> This config is used in the SaslRpcClient, and the no-default breaks cross-realm trust
principals being used at clients.
> Current location: https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SaslRpcClient.java#L309
> The config should be documented and the default should be set to * to preserve the prior-to-introduction
behaviour.



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