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https://issues.apache.org/jira/browse/HADOOP-6647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12847566#action_12847566
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Allen Wittenauer commented on HADOOP-6647:
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Does that mean if I create a fake realm with the same short name I can run
balancer?
> balancer fails with "is not authorized for protocol interface
> NamenodeProtocol" in secure environment
> -----------------------------------------------------------------------------------------------------
>
> Key: HADOOP-6647
> URL: https://issues.apache.org/jira/browse/HADOOP-6647
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Boris Shkolnik
> Attachments: HADOOP-6647-BP20.patch
>
>
> user logs in as hdfs/someth...@something and tries to run balancer.
> balancer is using NameNode Protocol which authorizes based on server
> principal key.
> but NameNode key is hdfs/_h...@.. now. so it fails.
> To fix we need to compare the short names only.
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