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From "Haohui Mai (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (HADOOP-8719) Workaround for kerberos-related log errors upon running any hadoop command on OSX
Date Thu, 10 Jul 2014 22:45:08 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Haohui Mai reopened HADOOP-8719:
--------------------------------


Reopen this issue since it breaks secure set ups running under Mac OS X. Secure cluster won't
be able to start with null realm.

I propose to revert this patch.

> Workaround for kerberos-related log errors upon running any hadoop command on OSX
> ---------------------------------------------------------------------------------
>
>                 Key: HADOOP-8719
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8719
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 2.0.0-alpha
>         Environment: Mac OS X 10.7, Java 1.6.0_26
>            Reporter: Jianbin Wei
>            Priority: Trivial
>             Fix For: 3.0.0
>
>         Attachments: HADOOP-8719.patch, HADOOP-8719.patch, HADOOP-8719.patch, HADOOP-8719.patch
>
>
> When starting Hadoop on OS X 10.7 ("Lion") using start-all.sh, Hadoop logs the following
errors:
> 2011-07-28 11:45:31.469 java[77427:1a03] Unable to load realm info from SCDynamicStore
> Hadoop does seem to function properly despite this.
> The workaround takes only 10 minutes.
> There are numerous discussions about this:
> google "Unable to load realm mapping info from SCDynamicStore" returns 1770 hits.  Each
one has many discussions.  
> Assume each discussion take only 5 minute, a 10-minute fix can save ~150 hours.  This
does not count much search of this issue and its solution/workaround, which can easily hit
(wasted) thousands of hours!!!



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