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https://issues.apache.org/jira/browse/HADOOP-12476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14957236#comment-14957236
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Arpit Agarwal commented on HADOOP-12476:
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I could not think of a practical alternative to reflection for this test case
without significantly refactoring {{DNS}}. It's dependencies on DNS lookups and
networking are not well isolated and make unit testing difficult.
However I am not sure why it fails at all. [~jojochuang], have you seen it fail
outside of Jenkins?
> TestDNS.testLookupWithoutHostsFallback failing
> ----------------------------------------------
>
> Key: HADOOP-12476
> URL: https://issues.apache.org/jira/browse/HADOOP-12476
> Project: Hadoop Common
> Issue Type: Bug
> Components: net, test
> Affects Versions: 3.0.0
> Environment: Jenkins
> Reporter: Steve Loughran
> Assignee: Steve Loughran
>
> Presumably triggered by HADOOP-12449, one of the jenkins patch runs has
> failed in {{TestDNS.testLookupWithoutHostsFallback}},
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