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From "Benoy Antony (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10941) Proxy user verification NPEs if remote host is unresolvable
Date Thu, 21 Aug 2014 21:52:11 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14106015#comment-14106015
] 

Benoy Antony commented on HADOOP-10941:
---------------------------------------

[~daryn], Could you please review to see if the fix is good enough ?

> Proxy user verification NPEs if remote host is unresolvable
> -----------------------------------------------------------
>
>                 Key: HADOOP-10941
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10941
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: ipc, security
>    Affects Versions: 3.0.0, 2.5.0
>            Reporter: Daryn Sharp
>            Assignee: Benoy Antony
>            Priority: Critical
>         Attachments: HADOOP-10941.patch
>
>
> A null is passed to the impersonation providers for the remote address if it is unresolvable.
 {{DefaultImpersationProvider}} will NPE, ipc will close the connection immediately (correct
behavior for such unexpected exceptions), client fails on {{EOFException}}.



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