Hi All, I am trying to run LDA from Mahout and as a first step I wanted to run the "SequenceFilesFromDirectory" job to convert the text files into sequence files. Following is the command I am using:
hadoop jar /Users/rohitp/Desktop/rohitp/Downloads/mahout-distribution-0.9/mahout-examples-0.9-job.jar org.apache.mahout.text.SequenceFilesFromDirectory -i LDA/reuter_example/reuters-sgm/ -o LDA/reuter_example/reuters-sgm_seq/ However, I get the following class not found exception. I also tried to use the mahout driver program but got the same exception (mahout seqdirectory -i LDA/reuter_example/reuters-sgm/ -o LDA/reuter_example/reuters-sgm_seq/). Hadoop Version: Hadoop 1.2.1 Mahout version: 0.9 Any help is much appreciated. Rohit java.lang.RuntimeException: java.lang.reflect.InvocationTargetException at org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader.initNextRecordReader(CombineFileRecordReader.java:164) at org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader.<init>(CombineFileRecordReader.java:126) at org.apache.mahout.text.MultipleTextFileInputFormat.createRecordReader(MultipleTextFileInputFormat.java:43) at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.<init>(MapTask.java:488) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:731) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:364) 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:394) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190) at org.apache.hadoop.mapred.Child.main(Child.java:249) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at org.apache.hadoop.mapreduce.lib.input.CombineFileRecordReader.initNextRecordReader(CombineFileRecordReader.java:155) ... 10 more Caused by: java.lang.NoClassDefFoundError: org/apache/mahout/common/AbstractJob at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637) at java.lang.ClassLoader.defineClass(ClassLoader.java:621) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) at org.apache.mahout.text.WholeFileRecordReader.<init>(WholeFileRecordReader.java:61) ... 15 more
