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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