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https://issues.apache.org/jira/browse/HBASE-23765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17026123#comment-17026123
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Bharath Vissapragada commented on HBASE-23765:
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I created another jira based on my observations (HBASE-23764). I think it has
something to do with ZKClient implementation (more details in the jira). I
don't know if a similar problem exists with rest of the stack (hdfs/secure hdfs
etc.)
> Use 127.0.0.1 instead of localhost when setting up Kerberos-related tests
> -------------------------------------------------------------------------
>
> Key: HBASE-23765
> URL: https://issues.apache.org/jira/browse/HBASE-23765
> Project: HBase
> Issue Type: Task
> Components: test
> Reporter: Josh Elser
> Priority: Minor
>
> [~ndimiduk] gave an ask over on HBASE-23760 to change some of the
> Hadoop-level configuration properties around secure cluster setup from
> localhost to 127.0.0.1. He and [~bharathv] have been chasing some issues with
> ZooKeeper and not having a resolution of localhost to 127.0.0.1.
> Before I start making a change, how sure are we that this is an issue?
> Assuming that it's the nightlies that we see these on, how about we make a
> change to increase the krb5 and spnego debugging to see if we aren't
> resolving names properly?
> There might be a debug property for DNS lookups in Java too.... maybe?
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