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https://issues.apache.org/jira/browse/HADOOP-6907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12903649#action_12903649
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Hadoop QA commented on HADOOP-6907:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12452346/c6907-15.patch
against trunk revision 989999.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
-1 patch. The patch command could not apply the patch.
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h9.grid.sp2.yahoo.net/39/console
This message is automatically generated.
> Rpc client doesn't use the per-connection conf to figure out server's
> Kerberos principal
> ----------------------------------------------------------------------------------------
>
> Key: HADOOP-6907
> URL: https://issues.apache.org/jira/browse/HADOOP-6907
> Project: Hadoop Common
> Issue Type: Bug
> Components: ipc, security
> Reporter: Kan Zhang
> Assignee: Kan Zhang
> Attachments: c6907-12.patch, c6907-15.patch
>
>
> Currently, RPC client caches the conf that was passed in to its constructor
> and uses that same conf (or values obtained from it) for every connection it
> sets up. This is not sufficient for security since each connection needs to
> figure out server's Kerberos principal on a per-connection basis. It's not
> reasonable to expect the first conf used by a user to contain all the
> Kerberos principals that her future connections will ever need. Or worse, if
> her first conf contains an incorrect principal name, it will prevent the user
> from connecting to the server even if she later on passes in a correct conf
> on retry (by calling RPC.getProxy()).
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