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Posted to common-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2013/04/27 14:16:17 UTC

[jira] [Created] (HADOOP-9520) _HOST doesn't resolve to bound interface

Allen Wittenauer created HADOOP-9520:
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             Summary: _HOST doesn't resolve to bound interface
                 Key: HADOOP-9520
                 URL: https://issues.apache.org/jira/browse/HADOOP-9520
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 2.0.4-alpha
            Reporter: Allen Wittenauer


_HOST appears to ignore bound interfaces.  For example, if a host has two interfaces such that:

nic0 = gethostname()
nic1 = someothername

and then I configure the namenode or resource manager to use someothername:####, the system still treats _HOST = nic0.  This is especially harmful for Kerberos principals.

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