mahout-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jeff Eastman <j...@windwardsolutions.com>
Subject Re: [jira] Commented: (MAHOUT-504) Kmeans clustering error
Date Mon, 27 Sep 2010 18:47:58 GMT
  Yes, you must use trunk. I've tested the current build on stand-alone 
and a 1-node cluster and both work correctly. IIRC, 0.3 had problems 
with synthetic control but that was long ago. Mahout is changing so fast 
that we always recommend using trunk.

On 9/27/10 2:06 PM, Zhen Guo (JIRA) wrote:
>      [ https://issues.apache.org/jira/browse/MAHOUT-504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12915400#action_12915400
]
>
> Zhen Guo commented on MAHOUT-504:
> ---------------------------------
>
> 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)


Mime
  • Unnamed multipart/mixed (inline, None, 0 bytes)
View raw message