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From "Anthony Baker (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GEODE-944) ServerLauncherJUnitTest fails when ISP redirects DNS failures
Date Tue, 09 Feb 2016 15:28:18 GMT

    [ https://issues.apache.org/jira/browse/GEODE-944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15139064#comment-15139064
] 

Anthony Baker commented on GEODE-944:
-------------------------------------

Another option might be to mock the dns lookup and cause it to fail reliably.

> ServerLauncherJUnitTest fails when ISP redirects DNS failures
> -------------------------------------------------------------
>
>                 Key: GEODE-944
>                 URL: https://issues.apache.org/jira/browse/GEODE-944
>             Project: Geode
>          Issue Type: Bug
>            Reporter: Dan Smith
>
> This test fails when using a DNS server that redirects DNS lookup failures to an ISP's
search page. 
> {noformat}
> om.gemstone.gemfire.distributed.LocatorLauncherJUnitTest >
> testSetBindAddressToUnknownHost FAILED
>     java.lang.AssertionError: Expected exception:
> java.lang.IllegalArgumentException
> com.gemstone.gemfire.distributed.ServerLauncherJUnitTest >
> testSetServerBindAddressToUnknownHost FAILED
>     java.lang.AssertionError: Expected exception:
> java.lang.IllegalArgumentException
> {noformat}
> The test is expecting to see an UnknownHostException, but because the ISP returns a real
IP address rather than the expected DNS lookup failure, the test doesn't see the exception.
> We could probably just Use junit's Assume to cause these tests to get skipped in this
environment.
> See this email thread for more details:
> http://mail-archives.apache.org/mod_mbox/incubator-general/201602.mbox/%3CCAOqetn_FTeV9ee4R8mkg4Y%3D8a%3DjedgfdOSjDxcnj2N7W02maCw%40mail.gmail.com%3E
> A little more information on DNS hijacking:
> http://www.dnsknowledge.com/whatis/nxdomain-non-existent-domain-2/



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