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Date: Tue, 28 Aug 2012 07:15:07 +1100 (NCT)
From: "Harsh J (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HADOOP-8719) workaround Hadoop logs errors upon
 startup on OS X 10.7
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     [ https://issues.apache.org/jira/browse/HADOOP-8719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Harsh J updated HADOOP-8719:
----------------------------

      Priority: Trivial  (was: Minor)
    Issue Type: Improvement  (was: Bug)
    
> workaround Hadoop logs errors upon startup on OS X 10.7
> -------------------------------------------------------
>
>                 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
>         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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