You're welcome, and welcome to add to the wiki as you see fit: https://cwiki.apache.org/MAHOUT/mahout-wiki.html Maybe one of the Installation/Setup pages is a good home for a note?
On Mon, Jul 11, 2011 at 8:53 PM, Marc Millstone <millst...@gmail.com> wrote: > Awesome. I agree entirely with your assessment. > > Thank you for your help, I do appreciate the time it takes to help > strangers over the internet. And it is what makes this community > great. > > Is there a place on the wiki for little facts like this? I am more > than happy to add something to help others that may encounter > this issue. (I can't be the only person using the IBM JVM with > Mahout). > > > > > On Mon, Jul 11, 2011 at 12:47 PM, Sean Owen <sro...@gmail.com> wrote: > > > It sounds like the actual test failure does not occur in HEAD, so sounds > > like whatever it is is already fixed or rendered moot. > > > > The issue about Hadoop 0.20.203.0 is a Hadoop issue at best, and looks > like > > they're already tracking it. I think it should be fixed of course, but > it's > > not a Mahout thing. > > > > I am not seeing a Mahout issue here then. > > > > On Mon, Jul 11, 2011 at 8:43 PM, Marc Millstone <millst...@gmail.com> > > wrote: > > > > > Good News: The offending unit tests passes with the combination of > > > > > > IBM JVM + Mahout Trunk + Hadoop 0.20.2 > > > > > > > > > To recap: > > > > > > IBM JVM + Mahout .5 + Hadoop 0.20.2 fails with the error > > > > > > > testStartParallelFPGrowth(org.apache.mahout.fpm.pfpgrowth.PFPGrowthTest): > > > expected:<{[D=0, E=1, A=0, B=0, C]=1}> but was:<{[A=0, B=0, C=1, D=0, > > > E]=1}> > > > > > > IBM JVM + Mahout trunk + Hadoop 0.20.203.0 fails with user > > initialization > > > problems due to IBM JVM and the sun com.sun.security.auth.UnixPrincipal > > > class. > > > Is this dependency going to be updated in the future? It does seem to > > > limit the use of non-Sun JVM's. > > > > > > Are there any tickets that should be filed? > > > > > > > > > > > > On Mon, Jul 11, 2011 at 12:22 PM, Marc Millstone <millst...@gmail.com > > > >wrote: > > > > > > > Ok. Let me play with this some more. I appreciate your help. > > > > > > > > In .5, under the IBM JVM we still get the Unit test failure in > > PFPGrowth > > > > though. It seems > > > > to be a true failure too, not an initialization issue. > > > > > > > > I am now going to install the Sun JVM locally on my cluster and link > > > > against > > > > that to see if things pass for Mahout .5. > > > > > > > > Feel free to contact me off list if this is getting to be too detail > > > > oriented, etc for this list. > > > > > > > > On Mon, Jul 11, 2011 at 12:18 PM, Sean Owen <sro...@gmail.com> > wrote: > > > > > > > >> I strongly suspect it is because we updated to Hadoop 0.20.203.0. > 0.5 > > > >> depended on 0.20.2. You could locally go back to depending on > 0.20.2; > > it > > > >> ought to still work fine with the previous version. > > > >> > > > >> On Mon, Jul 11, 2011 at 8:14 PM, Marc Millstone < > millst...@gmail.com> > > > >> wrote: > > > >> > > > >> > Ok. I am starting to think this could be a IBM JVM thing > > > >> > after finding this JIRA: > > > >> https://issues.apache.org/jira/browse/HADOOP-7211 > > > >> > > > > >> > > > > >> > Could it be that something changed between trunk and .5 that > caused > > > this > > > >> > issue to manifest itself in different ways? > > > >> > In .5, we just got the wrong answer and in trunk, we are getting > > this > > > >> > permission issue? > > > >> > > > > >> > marc > > > >> > > > > >> > > > > >> > > > > >> > > > > > > > > > > > > > >