Changing the hostname to lowercase fixed this particular problem - thanks for your replies.
The build is failing elsewhere now, I'll post a new thread for that. Tony From: Tony Burton [mailto:tbur...@sportingindex.com] Sent: 10 September 2012 10:44 To: user@hadoop.apache.org Subject: RE: build failure - trying to build hadoop trunk checkout Thanks for the replies all. I'll investigate changing my hostname and report back. (Seems a bit hacky though - can someone explain using easy words why this happens in Kerberos?) Tony From: Vinod Kumar Vavilapalli [mailto:vino...@hortonworks.com] Sent: 06 September 2012 18:51 To: user@hadoop.apache.org Subject: Re: build failure - trying to build hadoop trunk checkout Never mind filing. I recalled that we debugged this issue long time back and cornered this down to problems with kerberos. See https://issues.apache.org/jira/browse/HADOOP-7988. Given that, Tony, changing your hostname seems to be the only option. Thanks, +Vinod On Sep 6, 2012, at 4:24 AM, Steve Loughran wrote: file this as a JIRA against hadoop-common, though your machine's hostname looks suspiciously close to breaking the RFC-952 rules on hostnames -steve On 5 September 2012 14:49, Tony Burton <tbur...@sportingindex.com<mailto:tbur...@sportingindex.com>> 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", "0.0.0.0")); } And my hostname is tonyb-Precision-WorkStation-390. Any idea how I can get this test to pass? Thanks, Tony ********************************************************************** This email and any attachments are confidential, protected by copyright and may be legally privileged. 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