How do you run this program? Are you running a Hadoop cluster app out of Eclipse? I do not know if that mode copies your jars out to the executors.
On Sat, Aug 4, 2012 at 10:30 PM, Abhinav M Kulkarni <[email protected]> wrote: > I have added all the jars (including hadoop-core and mahout-math) to the > Eclipse project. In fact I added all the jars in mahout installation > directory. > > > On 08/04/2012 09:54 PM, Abhinav M Kulkarni wrote: >> >> Hi, >> >> I have a small snippet of code which gives me error. Points written in the >> input directory are of the type VectorWritable (value), key being >> LongWritable. Clusters written to part-00000 file are of the type Kluster >> (value), key being Text. Both these files are of SequenceFile format. >> >> Code snippet: >> >> KMeansDriver.run(conf, new Path("input/points"), new >> Path("input/part-00000"), >> new Path("output"), new EuclideanDistanceMeasure(), 0.001, >> 10, true, 0, false); >> >> Error: >> >> Error: java.lang.ClassNotFoundException: org.apache.mahout.math.Vector >> at java.net.URLClassLoader$1.run(URLClassLoader.java:217) >> at java.security.AccessController.doPrivileged(Native Method) >> at java.net.URLClassLoader.findClass(URLClassLoader.java:205) >> at java.lang.ClassLoader.loadClass(ClassLoader.java:321) >> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) >> at java.lang.ClassLoader.loadClass(ClassLoader.java:266) >> at java.lang.Class.forName0(Native Method) >> at java.lang.Class.forName(Class.java:264) >> at >> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:820) >> at org.apache.hadoop.io.WritableName.getClass(WritableName.java:71) >> at >> org.apache.hadoop.io.SequenceFile$Reader.getValueClass(SequenceFile.java:1671) >> at >> org.apache.hadoop.io.SequenceFile$Reader.init(SequenceFile.java:1613) >> at >> org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1486) >> at >> org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1475) >> at >> org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1470) >> at >> org.apache.hadoop.mapreduce.lib.input.SequenceFileRecordReader.initialize(SequenceFileRecordReader.java:50) >> at >> org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.initialize(MapTask.java:522) >> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:763) >> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:370) >> 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:416) >> at >> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121) >> at org.apache.hadoop.mapred.Child.main(Child.java:249) >> >> Can someone spot me why this error? > > -- Lance Norskog [email protected]
