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Posted to user@mahout.apache.org by Sean Owen <sr...@gmail.com> on 2011/02/22 09:39:24 UTC
Re: Problem in executing DisplayCanopy
Hmm. Make the class DisplayCanopy public -- does that fix it?
(I am guessing I messed this up at some point.)
On Tue, Feb 22, 2011 at 8:18 AM, Sengupta, Sohini IN BLR SISL
<so...@siemens.com> wrote:
> Hi everyone,
> I am very new to Mahout. I managed to set it up and run it on hadoop. However, I am facing problems when I try to execute DisplayCanopy program on hadoop. I get following error:
>
> Running on hadoop, using HADOOP_HOME=/usr/local/hadoop
> No HADOOP_CONF_DIR set, using /usr/local/hadoop/conf
> 11/02/21 04:00:11 WARN driver.MahoutDriver: No org.apache.mahout.clustering.display.DisplayCanopy.props found on classpath, will use command-line arguments only
> Exception in thread "main" java.lang.IllegalAccessException: Class org.apache.hadoop.util.ProgramDriver$ProgramDescription can not access a member of class org.apache.mahout.clustering.display.DisplayCanopy with modifiers "public static"
> at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:65)
> at java.lang.reflect.Method.invoke(Method.java:588)
> at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
> at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
> at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:184)
> 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.RunJar.main(RunJar.java:156)
>
> At command prompt, I give the following command:
>
> /usr/local/mahout-distribution-0.4/bin/mahout org.apache.mahout.clustering.display.DisplayCanopy
>
> I have set all relevant environment variables.
> Any pointers are welcome.
>
> Thanks a lot in advance for your help.
> Regards,
> Sohini
>
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