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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7285) HMaster fails to start with secure Hadoop
Date Wed, 05 Dec 2012 23:01:58 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13510881#comment-13510881
] 

Ted Yu commented on HBASE-7285:
-------------------------------

+1 on patch.
                
> HMaster fails to start with secure Hadoop
> -----------------------------------------
>
>                 Key: HBASE-7285
>                 URL: https://issues.apache.org/jira/browse/HBASE-7285
>             Project: HBase
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 0.96.0
>            Reporter: Gary Helmling
>         Attachments: HBASE-7285.patch
>
>
> In current trunk, HMaster will fail to start with secure Hadoop if the user starting
the process has not obtained a kerberos TGT.  The user starting the process should not be
required to have a TGT, as the HMaster process self logs in using the configured keytab and
principal.
> This is due to a log line in the HMaster constructor executing prior to the {{User.login()}}
step:
> {code}
>     LOG.info("hbase.rootdir=" + FSUtils.getRootDir(this.conf) +
>         ", hbase.cluster.distributed=" + this.conf.getBoolean("hbase.cluster.distributed",
false));
> {code}
> Here the FSUtils.getRootDir() winds up hitting the NameNode.  The fix is trivial, moving
the log line to follow {{User.login()}}.

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