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From "Moritz Moeller (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8867) always use canonical host name for kerberos _HOST macro expansion
Date Sun, 30 Sep 2012 15:32:07 GMT
Moritz Moeller created HADOOP-8867:
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             Summary: always use canonical host name for kerberos _HOST macro expansion
                 Key: HADOOP-8867
                 URL: https://issues.apache.org/jira/browse/HADOOP-8867
             Project: Hadoop Common
          Issue Type: Improvement
          Components: security
    Affects Versions: 2.0.1-alpha
            Reporter: Moritz Moeller


right now SecurityUtil.replacePattern is called with the verbatim configured hostname, not
with the canonicalized form.

without this patch the hostnames in the configuration must be canonical, with this patch one
can use cname aliases (we use a cname alias for the namenode).


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