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Posted to commits@mahout.apache.org by co...@apache.org on 2011/09/28 17:04:01 UTC

[CONF] Apache Mahout > Clustering of synthetic control data

Space: Apache Mahout (https://cwiki.apache.org/confluence/display/MAHOUT)
Page: Clustering of synthetic control data (https://cwiki.apache.org/confluence/display/MAHOUT/Clustering+of+synthetic+control+data)
Comment: https://cwiki.apache.org/confluence/display/MAHOUT/Clustering+of+synthetic+control+data?focusedCommentId=27827688#comment-27827688

Comment added by Lijie Xu:
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I encountered a problem while using mahout-0.5 and the commands above. 
If I run "$MAHOUT_HOME/bin/mahout org.apache.mahout.clustering.syntheticcontrol.canopy.Job", hadoop-0.20.2 will throws an exception as follows:

11/09/28 22:57:58 WARN driver.MahoutDriver: No org.apache.mahout.clustering.syntheticcontrol.fuzzykmeans.Job.props found on classpath, will use command-line arguments only

11/09/28 22:58:24 INFO mapred.JobClient: Task Id : attempt_201109282132_0017_m_000000_0, Status : FAILED
Error: java.lang.ClassNotFoundException: org.apache.mahout.math.Vector
        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)

However, if I run the command 
"[root@master:/opt/mahout-distribution-0.5]# hadoop jar mahout-examples-0.5-job.jar org.apache.mahout.clustering.syntheticcontrol.fuzzykmeans.Job", the program can get the right result. 

I'm wondering where the problem comes from.


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