We will likely move to Java 8 at some point of course, but I personally would not be inclined to enforce it right now as most of our current new work is Scala-based, and this (the lucene dep.) is only used in legacy components. Admittedly though, one useful legacy component. Were you able to get the examples to run in pseudo-cluster mode with lucene 6?
Thanks, Andy ________________________________ From: Andrew Palumbo <ap....@outlook.com> Sent: Saturday, August 6, 2016 5:03:45 PM To: dev@mahout.apache.org Subject: Re: MAHOUT-1876 - Lucene compatibility Thank you Raviteja, this is something that we will have to discuss. ________________________________ From: Raviteja Lokineni <raviteja.lokin...@gmail.com> Sent: Friday, August 5, 2016 11:41:09 PM To: mahout Subject: Re: MAHOUT-1876 - Lucene compatibility Guys, found an issue lucene 6.x is compatible only with Java 8. What's the plan for mahout compatibility? Do you guys want to call in a vote for Java compatibility? On Aug 5, 2016 4:58 PM, "Andrew Palumbo" <ap....@outlook.com> wrote: > Hi Raviteja, > > > Since this upgrade affects the entire Mahout MapReduce text processing > pipeline it is important to make sure that it is working in the end to end > examples. > > > Could you please set up a Hadoop 2.4.1 pseudo cluster and run through the > previously mentioned examples? > > > The instructions are here (this is from 2.7.1 but should be the same for > 2.4.1) : > > > <https://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-common/ > SingleCluster.html>https://hadoop.apache.org/docs/r2.7.2/ > hadoop-project-dist/hadoop-common/SingleCluster.html# > Pseudo-Distributed_Operation > > > Thanks very much, > > > Andy > > > > ________________________________ > From: Andrew Palumbo <ap....@outlook.com> > Sent: Friday, August 5, 2016 2:38 PM > To: dev@mahout.apache.org > Subject: Re: MAHOUT-1876 - Lucene compatibility > > Ahh- yes I think we started removing MAHOUT_LOCAL capability I see the > check for MAHOUT_LOCAL was removed in this commit: > > > https://github.com/apache/mahout/commit/daad3a4ce618cbd05be468c4ce6e45 > 1618f3a028 > [https://avatars3.githubusercontent.com/u/692523?v=3&s=200]<https:// > github.com/apache/mahout/commit/daad3a4ce618cbd05be468c4ce6e451618f3a028> > > MAHOUT-1665: Update hadoop commands in example scripts (akm) closes a… · > apache/mahout@daad3a4<https://github.com/apache/mahout/commit/ > daad3a4ce618cbd05be468c4ce6e451618f3a028> > github.com > …pache/mahout#98 > > > > > So it would make sense that you are seeing that Error in local mode. > > ________________________________ > From: Raviteja Lokineni <raviteja.lokin...@gmail.com> > Sent: Friday, August 5, 2016 2:28:08 PM > To: mahout > Subject: Re: MAHOUT-1876 - Lucene compatibility > > Nope in a Linux environment. > > On Aug 5, 2016 2:21 PM, "Suneel Marthi" <smar...@apache.org> wrote: > > > r u running this on windows prompt or in Cygwin. > > > > Suggest use Cygwin. > > > > On Fri, Aug 5, 2016 at 2:15 PM, Raviteja Lokineni < > > raviteja.lokin...@gmail.com> wrote: > > > > > This is what I get. > > > > > > $ ./classify-20newsgroups.sh > > > /home/lok268/projects/mahout/examples/bin/set-dfs-commands.sh: line > > > 36: /bin/hadoop: No such file or directory > > > /home/lok268/projects/mahout/examples/bin/set-dfs-commands.sh: line > > > 38: [: too many arguments > > > /home/lok268/projects/mahout/examples/bin/set-dfs-commands.sh: line > > > 43: [: -eq: unary operator expected > > > Can't determine Hadoop version. > > > > > > > > > On Fri, Aug 5, 2016 at 2:08 PM, Suneel Marthi <smar...@apache.org> > > wrote: > > > > > > > u don't need a hadoop cluster for that, > > > > > > > > set MAHOUT_LOCAL=true > > > > and u shuld be able to run locally > > > > > > > > On Fri, Aug 5, 2016 at 1:57 PM, Raviteja Lokineni < > > > > raviteja.lokin...@gmail.com> wrote: > > > > > > > > > Hi Andrew, > > > > > > > > > > Looks like the examples don't seem to work unless on a hadoop > > cluster. > > > > If I > > > > > get some time I will download a cloudera quickstart vm and test it > > out. > > > > > > > > > > Thanks, > > > > > Raviteja > > > > > > > > > > On Fri, Aug 5, 2016 at 12:53 PM, Andrew Palumbo < > ap....@outlook.com> > > > > > wrote: > > > > > > > > > > > Thanks again Raviteja, > > > > > > Tests pass in my Linux env as well. > > > > > > > > > > > > FYI, if the windows script has not yet been officially deprecated > > it > > > > > > should be soon. > > > > > > > > > > > > As Suneel said, someone will merge it over the weekend. In the > > > > meantime > > > > > > it would good to ensure that some of the examples are working in > > the > > > > > > $MAHOUT_HOME/examples/bin dir. Could you try running > > > > > > classify-wikipedia.sh option (2), cluster-reuters.sh option (1) > pr > > > (2) > > > > > and > > > > > > classify-20newsgroups.sh option 1 in (pseudo)cluster mode if > > > possible? > > > > > > > > > > > > This would to ensure that seq2sparse is working correctly which > > > relies > > > > > > heavily on lucene. > > > > > > > > > > > > Thanks again for the great contribution. > > > > > > > > > > > > Andy > > > > > > > > > > > > > > > > > > -------- Original message -------- > > > > > > From: Raviteja Lokineni <raviteja.lokin...@gmail.com> > > > > > > Date: 08/05/2016 12:42 PM (GMT-05:00) > > > > > > To: mahout <dev@mahout.apache.org> > > > > > > Subject: Re: MAHOUT-1876 - Lucene compatibility > > > > > > > > > > > > Just a FYI, all the tests are successful on windows too ;) > > > > > > > > > > > > On Fri, Aug 5, 2016 at 12:18 PM, Andrew Palumbo < > > ap....@outlook.com> > > > > > > wrote: > > > > > > > > > > > > > +1 > > > > > > > > > > > > > > ________________________________ > > > > > > > From: Raviteja Lokineni <raviteja.lokin...@gmail.com> > > > > > > > Sent: Friday, August 5, 2016 12:14:24 PM > > > > > > > To: mahout > > > > > > > Subject: Re: MAHOUT-1876 - Lucene compatibility > > > > > > > > > > > > > > Yay! for the heads up on merging. > > > > > > > > > > > > > > FYI, I take back my word on failure on windows though. I had to > > > > include > > > > > > the > > > > > > > hadoop.dll file on PATH. Tests are running (I am running it > just > > to > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > *Raviteja Lokineni* | Business Intelligence Developer > > > > > TD Ameritrade > > > > > > > > > > E: raviteja.lokin...@gmail.com > > > > > > > > > > [image: View Raviteja Lokineni's profile on LinkedIn] > > > > > <http://in.linkedin.com/in/ravitejalokineni> > > > > > > > > > > > > > > > > > > > > > -- > > > *Raviteja Lokineni* | Business Intelligence Developer > > > TD Ameritrade > > > > > > E: raviteja.lokin...@gmail.com > > > > > > [image: View Raviteja Lokineni's profile on LinkedIn] > > > <http://in.linkedin.com/in/ravitejalokineni> > > > > > >
