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https://issues.apache.org/jira/browse/HADOOP-7489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13271034#comment-13271034
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Allen Wittenauer commented on HADOOP-7489:
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Java has its own internal version of Kerberos. That version is very, very
stupid in 1.6 and earlier when it comes to using naming services for
auto-discovery of the realm and KDC information. You'll see similar weirdness
even on non-OS X boxes when the krb5.conf doesn't explicitly list the realm
information. The same configuration fix mentioned here applies there as well.
This has been fixed in JRE 1.7. Allegedly.
> Hadoop logs errors upon startup on OS X 10.7
> --------------------------------------------
>
> Key: HADOOP-7489
> URL: https://issues.apache.org/jira/browse/HADOOP-7489
> Project: Hadoop Common
> Issue Type: Bug
> Environment: Mac OS X 10.7, Java 1.6.0_26
> Reporter: Bryan Keller
> Priority: Minor
>
> 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.
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