[jira] [Created] (HDFS-9888) TestBalancer#testBalancerWithKeytabs should reset KerberosName in test case setup

["Xiao Chen (JIRA)" <ji...@apache.org>]

Xiao Chen created HDFS-9888:
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             Summary: 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


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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