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From "Amit Kolhe" <am...@techepoch.com>
Subject Getting error while running Synthetic Control Data clustering example
Date Thu, 08 Jul 2010 12:36:29 GMT
 

Hi All,

 

I am getting below error while running Synthetic Control Data clustering
example.

 

10/07/08 18:16:40 INFO mapred.JobClient: Task Id :
attempt_201007081615_0014_m_000001_0, Status : FAILED

org.apache.mahout.math.CardinalityException: My cardinality is: 0, but the
other is: 60

  at
org.apache.mahout.math.RandomAccessSparseVector.dot(RandomAccessSparseVector
.java:275)

  at
org.apache.mahout.common.distance.SquaredEuclideanDistanceMeasure.distance(S
quaredEuclideanDistanceMeasure.java:57)

  at
org.apache.mahout.common.distance.EuclideanDistanceMeasure.distance(Euclidea
nDistanceMeasure.java:39)

  at
org.apache.mahout.clustering.canopy.CanopyClusterer.addPointToCanopies(Canop
yClusterer.java:108)

  at
org.apache.mahout.clustering.canopy.CanopyMapper.map(CanopyMapper.java:49)

  at
org.apache.mahout.clustering.canopy.CanopyMapper.map(CanopyMapper.java:34)

  at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50)

  at org.apache.hadoop.mapred.MapTask.run(MapTask.java:332)

  at org.apache.hadoop.mapred.Child.main(Child.java:155)

 

 

 

thanks and regards,

amit


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