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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-4713) Wrong server principal is used for rpc calls to namenode if HA is enabled
Date Wed, 24 Apr 2013 19:51:16 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kihwal Lee resolved HDFS-4713.
------------------------------

    Resolution: Won't Fix

By requiring "_HOST" to be used, we rely on the rpc server address to guess the server principal.
This is fine as long as all use cases can be supported.  The ability to set separate principal
for each namenode in HA config can be misleading, but does not hurt. Resolving as "won't fix".
                
> Wrong server principal is used for rpc calls to namenode if HA is enabled
> -------------------------------------------------------------------------
>
>                 Key: HDFS-4713
>                 URL: https://issues.apache.org/jira/browse/HDFS-4713
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha, namenode
>    Affects Versions: 2.0.5-beta
>            Reporter: Kihwal Lee
>
> When various components are connecting to a namenode in a HA-enabled environment, a wrong
server principal may be picked up.  This result in SASL failure, since the client-side used
a wrong service ticket for the connection.

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