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https://issues.apache.org/jira/browse/MAHOUT-504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12915400#action_12915400
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Zhen Guo commented on MAHOUT-504:
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Is this change available in Trunk?
I tested as in Quick Start document. I use the following command:
$MAHOUT_HOME/bin/mahout org.apache.mahout.clustering.syntheticcontrol.kmeans.Job
It failed and the error messages are the same as above.
> Kmeans clustering error
> -----------------------
>
> Key: MAHOUT-504
> URL: https://issues.apache.org/jira/browse/MAHOUT-504
> Project: Mahout
> Issue Type: Bug
> Reporter: Zhen Guo
> Assignee: Robin Anil
> Fix For: 0.4
>
>
> I tried the Kmeans algorithm on the Synthetic Control data. The following
> error appears. I tried the Canopy algorithm, it is fine. This error is from
> Mapper. I am using Trunk.
> 10/09/20 19:40:06 INFO mapred.JobClient: Task Id :
> attempt_201008261432_1324_m_000000_0, Status : FAILED
> java.lang.IllegalStateException: Cluster is empty!
> at
> org.apache.mahout.clustering.kmeans.KMeansClusterMapper.setup(KMeansClusterMapper.java:57)
> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:142)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:583)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
> at org.apache.hadoop.mapred.Child.main(Child.java:170)
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