Hello everyone I am new to mahout, I am planning to use it for my undergraduate thesis, the thing is that when I try to run the 20news example i get the follow error: and also it says that my HADOOP_HOME is not set but I do have it, and I already compiled and installed the core and the examples
$MAHOUT_HOME/bin/mahout org.apache.mahout.classifier.bayes.PrepareTwentyNewsgroups -p examples/bin/work/20news-bydate/20news-bydate-train -o examples/bin/work/20news-bydate/bayes-train-input -a org.apache.mahout.vectorizer.DefaultAnalyzer -c UTF-8 no HADOOP_CONF_DIR or HADOOP_HOME set, running locally Feb 10, 2011 5:38:51 AM org.slf4j.impl.JCLLoggerAdapter warn WARNING: No org.apache.mahout.classifier.bayes.PrepareTwentyNewsgroups.props found on classpath, will use command-line arguments only Feb 10, 2011 5:38:51 AM org.slf4j.impl.JCLLoggerAdapter error SEVERE: MahoutDriver failed with args: [-p, examples/bin/work/20news-bydate/20news-bydate-train, -o, examples/bin/work/20news-bydate/bayes-train-input, -a, org.apache.mahout.vectorizer.DefaultAnalyzer, -c, UTF-8, null] org.apache.mahout.vectorizer.DefaultAnalyzer Exception in thread "main" java.lang.ClassNotFoundException: org.apache.mahout.vectorizer.DefaultAnalyzer at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:169) at org.apache.mahout.classifier.bayes.PrepareTwentyNewsgroups.main(PrepareTwentyNewsgroups.java:87) 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:172) Thanks a lot, -- Diego Tejera http://diegotejera.org
