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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-10070) RPC client doesn't use per-connection conf to determine server's expected Kerberos principal name
Date Tue, 04 Mar 2014 18:55:22 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-10070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daryn Sharp updated HADOOP-10070:
---------------------------------

       Resolution: Fixed
    Fix Version/s: 2.4.0
                   3.0.0
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

Noticed this isn't resolved.

> RPC client doesn't use per-connection conf to determine server's expected Kerberos principal
name
> -------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-10070
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10070
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 2.2.0
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>             Fix For: 3.0.0, 2.4.0
>
>         Attachments: HADOOP-10070.patch, HADOOP-10070.patch, TestKerberosClient.java
>
>
> Currently, RPC client caches the {{Configuration}} object that was passed in to its constructor
and uses that same conf for every connection it sets up thereafter. This can cause problems
when security is enabled if the {{Configuration}} object provided when the first RPC connection
was made does not contain all possible entries for all server principals that will later be
used by subsequent connections. When this happens, it will result in later RPC connections
incorrectly failing with the error "Failed to specify server's Kerberos principal name" even
though the principal name was specified in the {{Configuration}} object provided on later
RPC connection attempts.
> I believe this means that we've inadvertently reintroduced HADOOP-6907.



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