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From Kate Ericson <eric...@cs.colostate.edu>
Subject Re: 20news example problem
Date Sat, 12 Feb 2011 18:29:32 GMT
Hi Diego,

Just to cover the basics, did you remember to export CLASSPATH after you set it?

-Kate

On Sat, Feb 12, 2011 at 10:27 AM, Diego Tejera <diegotejera@gmail.com> wrote:
> Ted, Thanks for responding
>
> On Thu, Feb 10, 2011 at 11:24 AM, Ted Dunning <ted.dunning@gmail.com> wrote:
>
>> Diego,
>>
>> What platform are you on?
>>
> Ubuntu 10.10 64bit
>
> Have you set your classpath explicitly?
>>
>
> "set CLASSPATH=/home/diego/tesis/mahout03/core/target/classes/"
>
>  How did you install mahout?  By compiling it?
>
> yes, i compiled mahout
>
>
> Thanks a lot
>
>
>
>> On Thu, Feb 10, 2011 at 2:49 AM, Diego Tejera <diegotejera@gmail.com>wrote:
>>
>>> Hello everyone I am new to mahout, I am planning to use it for my
>>> undergraduate thesis, the thing is that when I try to run the 20news
>>> example
>>> i get the follow error: and also it says that  my HADOOP_HOME is not set
>>> but
>>> I do have it, and I already compiled and installed the core and the
>>> examples
>>>
>>> $MAHOUT_HOME/bin/mahout
>>> org.apache.mahout.classifier.bayes.PrepareTwentyNewsgroups -p
>>> examples/bin/work/20news-bydate/20news-bydate-train -o
>>> examples/bin/work/20news-bydate/bayes-train-input -a
>>> org.apache.mahout.vectorizer.DefaultAnalyzer -c UTF-8
>>> no HADOOP_CONF_DIR or HADOOP_HOME set, running locally
>>> Feb 10, 2011 5:38:51 AM org.slf4j.impl.JCLLoggerAdapter warn
>>> WARNING: No
>>> org.apache.mahout.classifier.bayes.PrepareTwentyNewsgroups.props
>>> found on classpath, will use command-line arguments only
>>> Feb 10, 2011 5:38:51 AM org.slf4j.impl.JCLLoggerAdapter error
>>> SEVERE: MahoutDriver failed with args: [-p,
>>> examples/bin/work/20news-bydate/20news-bydate-train, -o,
>>> examples/bin/work/20news-bydate/bayes-train-input, -a,
>>> org.apache.mahout.vectorizer.DefaultAnalyzer, -c, UTF-8, null]
>>> org.apache.mahout.vectorizer.DefaultAnalyzer
>>> Exception in thread "main" java.lang.ClassNotFoundException:
>>> org.apache.mahout.vectorizer.DefaultAnalyzer
>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>>>  at java.security.AccessController.doPrivileged(Native Method)
>>> at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>>>  at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
>>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>>>  at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
>>> at java.lang.Class.forName0(Native Method)
>>>  at java.lang.Class.forName(Class.java:169)
>>> at
>>>
>>> org.apache.mahout.classifier.bayes.PrepareTwentyNewsgroups.main(PrepareTwentyNewsgroups.java:87)
>>>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> at
>>>
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>  at
>>>
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>> at java.lang.reflect.Method.invoke(Method.java:597)
>>>  at
>>>
>>> org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
>>> at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
>>>  at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:172)
>>>
>>> Thanks a lot,
>>> --
>>> Diego Tejera
>>> http://diegotejera.org
>>>
>>
>>
>
>
> --
> Diego Tejera
> http://diegotejera.org
>

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