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https://issues.apache.org/jira/browse/HADOOP-18431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17598476#comment-17598476
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ASF GitHub Bot commented on HADOOP-18431:
-----------------------------------------

steveloughran commented on PR #4833:
URL: https://github.com/apache/hadoop/pull/4833#issuecomment-1233119482

   LGTM.
   as this is an hdfs test, can you move the jira to hdfs, change the pr title, 
and include the test which is failing in the title too?




> Unit test can fail due to unexpected host resolution
> ----------------------------------------------------
>
>                 Key: HADOOP-18431
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18431
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 3.4.0, 3.3.9
>         Environment: Running using both Maven Surefire and an IDE results in 
> a test failure.  Switching the name to "bogus.invalid" results in the 
> expected behavior, which depends on an UnknownHostException.
>            Reporter: Steve Vaughan
>            Assignee: Steve Vaughan
>            Priority: Minor
>              Labels: pull-request-available
>
> Tests that want to use an unresolvable address may actually resolve in some 
> environments.  Replacing host names like "bogus" with a IETF RFC 2606 domain 
> name avoids the issue.



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