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https://issues.apache.org/jira/browse/HADOOP-12754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15126880#comment-15126880
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Steve Loughran commented on HADOOP-12754:
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While I'm at it, why does that code try and relogin as the current user
*without checking to see if the caller is the current user?* Again, this is of
limited use as all it could do is encounter KDC connectivity problems and
needless delays.
HADOOP-6706 is the source of that code...I don't see any discussion of that
topic there
> Client.handleSaslConnectionFailure() uses wrong user in exception text
> ----------------------------------------------------------------------
>
> Key: HADOOP-12754
> URL: https://issues.apache.org/jira/browse/HADOOP-12754
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: ipc, security
> Affects Versions: 2.7.2
> Reporter: Steve Loughran
>
> {{Client.handleSaslConnectionFailure()}} includes the user in SASL failure
> messages, but it calls {{UGI.getLoginUser()}} for its text. If there's an
> auth problem in a {{doAs()}} context, this exception is fundamentally
> misleading
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