hi,
I'm running mahout cluster-reuters example on amazon ec2 from my local client.
I'm using mahout 0.6, hadoop 0.20.2.
I always get the same following errors:
12/04/16 19:32:45 INFO mapred.JobClient: Task Id :
attempt_201204170143_0029_m_000000_0, Status : FAILED
java.lang.NullPointerException
at
org.apache.mahout.clustering.evaluation.RepresentativePointsMapper.mapPoint(RepresentativePointsMapper.java:73)
at
org.apache.mahout.clustering.evaluation.RepresentativePointsMapper.map(RepresentativePointsMapper.java:60)
at
org.apache.mahout.clustering.evaluation.RepresentativePointsMapper.map(RepresentativePointsMapper.java:40)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:621)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
at org.apache.hadoop.mapred.Child.main(Child.java:170)
12/04/16 19:32:45 WARN mapred.JobClient: Error reading task
outputip-10-195-30-47.ec2.internal
12/04/16 19:32:45 WARN mapred.JobClient: Error reading task
outputip-10-195-30-47.ec2.internal
Anyone has any idea? Thank you very much!
Best,
Huanchen
