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https://issues.apache.org/jira/browse/HDFS-9888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15180223#comment-15180223
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Xiao Chen commented on HDFS-9888:
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Yes Zhe, HDFS-3016 is not in branch-2.
Additionally, since {{TestBalancer#testBalancerWithKeytabs}} is added by
HDFS-9804 which is not in branch-2, I think trunk is enough for this patch.
I've added a link to that jira, so that if later we're backporting it, we'll
bring this as well. Thanks!
> TestBalancer#testBalancerWithKeytabs should reset KerberosName in test case
> setup
> ---------------------------------------------------------------------------------
>
> Key: HDFS-9888
> URL: https://issues.apache.org/jira/browse/HDFS-9888
> Project: Hadoop HDFS
> Issue Type: Test
> Reporter: Xiao Chen
> Assignee: Xiao Chen
> Priority: Minor
> Attachments: HDFS-9888.01.patch
>
>
> In some local environments, {{TestBalancer#testBalancerWithKeytabs}} may
> fail. Specifically, running itself passes, but running {{TestBalancer}} suite
> always fail. This is due to:
> # Kerberos setup is done at the test case setup
> # static variable {{KerberosName#defaultRealm}} is set when class
> initialization - before {{testBalancerWithKeytabs}} setup
> # local default realm is different than test case default realm
> This is mostly an environment specific problem, but let's not make such
> assumption in the test.
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