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https://issues.apache.org/jira/browse/HADOOP-3619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14060365#comment-14060365
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Dr. Martin Menzel commented on HADOOP-3619:
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The test org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl doesn't fail on
my system.
One of my testcases checks a DNS server entry of a.nic.de. Is it possible that
the Jenkins system is not able to resolve external / internet addresses?
> DNS.getHosts triggers an ArrayIndexOutOfBoundsException in reverseDNS if one
> of the interfaces is IPv6
> ------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3619
> URL: https://issues.apache.org/jira/browse/HADOOP-3619
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Steve Loughran
> Labels: patch
> Attachments: HADOOP-3619.patch
>
>
> reverseDNS tries to split a host address string by ".", and so fails if ":"
> is the separator, as it is in IPv6. When it tries to access the parts of the
> address, a stack trace is seen.
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