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From Vinod Kumar Vavilapalli <vino...@hortonworks.com>
Subject Re: build failure - trying to build hadoop trunk checkout
Date Wed, 05 Sep 2012 18:23:40 GMT

This is happening because SecurityUtil.getServerPrincipal(..) eventually is converting host-name
to lowercase. Please file a bug here: https://issues.apache.org/jira/browse/HADOOP

The shorter-term workaround is to change your hostname to all lower-case, if that is possible.


+Vinod Kumar Vavilapalli
Hortonworks Inc.

On Sep 5, 2012, at 6:49 AM, Tony Burton wrote:

> Hi,
> I'm following the steps at http://wiki.apache.org/hadoop/HowToContribute for building
hadoop in preparation for submitting a patch.
> I've checked out the trunk, and when I run "mvn test" from the top-level directory, I
get the following error (snipped for clarity):
> Results :
> Failed tests:   testLocalHostNameForNullOrWild(org.apache.hadoop.security.TestSecurityUtil):
expected:<hdfs/tonyb-[Precision-WorkS]tation-390@REALM> but was:<hdfs/tonyb-[precision-works]tation-390@REALM>
> The test in question is:
> @Test
>  public void testLocalHostNameForNullOrWild() throws Exception {
>    String local = SecurityUtil.getLocalHostName();
>    assertEquals("hdfs/" + local + "@REALM",
>                 SecurityUtil.getServerPrincipal("hdfs/_HOST@REALM", (String)null));
>    assertEquals("hdfs/" + local + "@REALM",
>                 SecurityUtil.getServerPrincipal("hdfs/_HOST@REALM", ""));
>  }
> And my hostname is tonyb-Precision-WorkStation-390.
> Any idea how I can get this test to pass?
> Thanks,
> Tony
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