Hi,
I am running Kmeans in cluster where I am setting the configuration of
fs.hdfs.impl and fs.file.impl before hand as mentioned below
conf.set("fs.hdfs.impl",org.apache.hadoop.hdfs.DistributedFileSystem.class.getName());
conf.set("fs.file.impl",org.apache.hadoop.fs.LocalFileSystem.class.getName());
Problem is that cluster-0 directory is getting created in local file system
and cluster-1 is getting created in HDFS, and Kmeans map reduce job is
unable to find cluster-0 . Please see below the stacktrace
2014-03-11 14:52:15 o.a.m.c.AbstractJob [INFO] Command line arguments:
{--clustering=null, --clusters=[/3/clusters-0-final],
--convergenceDelta=[0.1],
--distanceMeasure=[org.apache.mahout.common.distance.EuclideanDistanceMeasure],
--endPhase=[2147483647], --input=[/2/sequence], --maxIter=[100],
--method=[mapreduce], --output=[/5], --overwrite=null, --startPhase=[0],
--tempDir=[temp]}
2014-03-11 14:52:15 o.a.h.u.NativeCodeLoader [WARN] Unable to load
native-hadoop library for your platform... using builtin-java classes where
applicable
2014-03-11 14:52:15 o.a.m.c.k.KMeansDriver [INFO] Input: /2/sequence
Clusters In: /3/clusters-0-final Out: /5
2014-03-11 14:52:15 o.a.m.c.k.KMeansDriver [INFO] convergence: 0.1 max
Iterations: 100
2014-03-11 14:52:16 o.a.h.m.JobClient [WARN] Use GenericOptionsParser for
parsing the arguments. Applications should implement Tool for the same.
2014-03-11 14:52:17 o.a.h.m.l.i.FileInputFormat [INFO] Total input paths to
process : 3
2014-03-11 14:52:19 o.a.h.m.JobClient [INFO] Running job:
job_201403111332_0011
2014-03-11 14:52:20 o.a.h.m.JobClient [INFO] map 0% reduce 0%
2014-03-11 14:52:28 o.a.h.m.JobClient [INFO] Task Id :
attempt_201403111332_0011_m_000000_0, Status : FAILED
2014-03-11 14:52:28 STDIO [ERROR] java.lang.IllegalStateException:
/5/clusters-0
at
org.apache.mahout.common.iterator.sequencefile.SequenceFileDirValueIterable.iterator(SequenceFileDirValueIterable.java:78)
at
org.apache.mahout.clustering.classify.ClusterClassifier.readFromSeqFiles(ClusterClassifier.java:208)
at
org.apache.mahout.clustering.iterator.CIMapper.setup(CIMapper.java:44)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:138)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:672)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:330)
at org.apache.hadoop.mapred.Child$4.run(Child.java:268)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1438)
at org.apache.hadoop.mapred.Child.main(Child.java:262)
Caused by: java.io.FileNotFoundException: File /5/clusters-0
Please suggest!!!
--
Thanks & Regards
Bikash Kumar Gupta
