Thank you very much, Suneel! It works now. Στις 25 Απρ 2016 17:20, ο χρήστης "Suneel Marthi" <smar...@apache.org> έγραψε:
> On Mon, Apr 25, 2016 at 9:16 AM, Nantia Makrynioti <nantiam...@gmail.com> > wrote: > > > Thank for your replies! > > > > Mahout 0.12.0 from command line worked great. > > > > However, if I want to develop the same example with Java API, what > version > > of mahout-core should I use in the pom.xml? > > > > I tried mahout-core 0.12.0, but it does not exist. With mahout-core 0.9 I > > got the same exception as in the previous email. > > > > It should mahout-mr not mahout-core since Mahout 0.10.0 > > > > > java.lang.IncompatibleClassChangeError: Found interface > > org.apache.hadoop.mapreduce.JobContext, but class was expected > > > > The exception was thrown during training of Naive Bayes model. I use > > TrainNaiveBayesJob and ToolRunner classes to train the model. > > > > > > > > > > > > 2016-04-25 16:06 GMT+03:00 Alen Xia <summer...@yahoo.com.invalid>: > > > > > https://issues.apache.org/jira/browse/MAHOUT-1354 > > > > > > Hope that helps :) > > > > > > 发自我的 iPhone > > > > > > > 在 2016年4月25日，18:27，Nantia Makrynioti <nantiam...@gmail.com> 写道： > > > > > > > > Hello, > > > > > > > > I have installed Hadoop 2.2.0 on an Ubuntu 14.04 machine. I built > > Mahout > > > > 0.9 with > > > > > > > > mvn clean package -Dhadoop2.version=2.2.0 > > > > > > > > but when I run the 20newsgroups classification example, I get the > > > following > > > > exception: > > > > > > > > java.lang.IncompatibleClassChangeError: Found interface > > > > org.apache.hadoop.mapreduce.JobContext, but class was expected > > > > > > > > How can I run Mahout with Hadoop 2.2.0? > > > > > > > > Thank you in advance, > > > > Nantia > > > > > >
