[jira] [Resolved] (MAHOUT-1231) "No input clusters found in " error in kmeans

["Summer Lee (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAHOUT-1231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Summer Lee resolved MAHOUT-1231.
--------------------------------

    Resolution: Not A Problem

The input file has some problems. 
                
> "No input clusters found in " error in kmeans
> ---------------------------------------------
>
>                 Key: MAHOUT-1231
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1231
>             Project: Mahout
>          Issue Type: Question
>          Components: Clustering
>            Reporter: Summer Lee
>             Fix For: Backlog
>
>
> 1.seqdirectory
> > mahout seqdirectory --input /user/hdfs/input/new1.csv --output
> > /user/hdfs/new1/seqdirectory --tempDir
> > /user/hdfs/new1/seqdirectory/tempDir
> 2.seq2sparse 
> > mahout seq2sparse --input /user/hdfs/new1/seqdirectory --output
> > /user/hdfs/new1/seq2sparse -wt tfidf
> 3.kmeans 
> > mahout kmeans --input /user/hdfs/new1/seq2sparse/tfidf-vectors
> > --output /user/hdfs/new1/kmeans -c /user/hdfs/new1/clusters/kmeans -x 3 -k 3 --tempDir /user/hdfs/new1/kmeans/tempDir
> and then error is occured
> Failing Oozie Launcher, Main class [org.apache.mahout.driver.MahoutDriver], main() threw exception, No input clusters found in /user/oozie/mahout/z3/kmeansCopy/clusters/part-randomSeed. Check your -c argument.
> java.lang.IllegalStateException: No input clusters found in /user/oozie/mahout/z3/kmeansCopy/clusters/part-randomSeed. Check your -c argument.
> 	at org.apache.mahout.clustering.kmeans.KMeansDriver.buildClusters(KMeansDriver.java:217)
> 	at org.apache.mahout.clustering.kmeans.KMeansDriver.run(KMeansDriver.java:148)
> 	at org.apache.mahout.clustering.kmeans.KMeansDriver.run(KMeansDriver.java:107)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> 	at org.apache.mahout.clustering.kmeans.KMeansDriver.main(KMeansDriver.java:48)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
> 	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
> 	at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.apache.oozie.action.hadoop.LauncherMapper.map(LauncherMapper.java:467)
> 	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50)
> 	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:436)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:372)
> 	at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:396)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1149)
> 	at org.apache.hadoop.mapred.Child.main(Child.java:249)
> Oozie Launcher failed, finishing Hadoop job gracefully
> Oozie Launcher ends
> =======================================================================================================
> Why kmeans driver can't make clusters in Hadoop with oozie system?
> In hadoop with not oozie system, it worked.

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