[MAHOUT-504] Kmeans clustering error

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.4
• Assignee: Robin Anil
• Reporter: Zhen Guo
• Created: 20/Sep/10 19:47
• Updated: 23/Mar/12 11:23
• Resolved: 30/Sep/10 14:31

Description

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)