In this case it is looking for a c:\tmp. Do you have one? It does not come standard with Windows, you have to make it.
This particular code path works, since bin/mahout does not run any cygwin programs, only Java. I used it a lot. On Mon, May 14, 2012 at 9:19 AM, Ted Dunning <[email protected]> wrote: > What you are missing is a Linux compatible environment. Running programs > under Cygwin can be pretty difficult because of the path name insanity that > often ensues. > > Sent from my iPhone > > On May 13, 2012, at 6:33 PM, mahout-newbie <[email protected]> wrote: > >> When I try to run the 20 newsgroups example in local mode under cygwin, >> mahout creates a work directory under /tmp but then an exception is thrown >> indicating that the training data set is not found. It is looking for for it >> with a DOS style path. I see the directory and data when I navigate to that >> directory. >> >> Can someone please shed some light what I'm missing here? The output is >> below: >> >> Thanks >> >> $ sh classify-20newsgroups.sh >> Please select a number to choose the corresponding task to run >> 1. naivebayes >> 2. sgd >> 3. clean -- cleans up the work area in /tmp/mahout-work-Administrator >> Enter your choice : 1 >> ok. You chose 1 and we'll use naivebayes >> *creating work directory at /tmp/mahout-work-Administrator* >> Preparing Training Data >> MAHOUT_LOCAL is set, so we don't add HADOOP_CONF_DIR to classpath. >> no HADOOP_HOME set, running locally >> SLF4J: Class path contains multiple SLF4J bindings. >> SLF4J: Found binding in >> [jar:file:/C:/cygwin/usr/local/mahout/examples/target/mahout-examples-0.6-job.jar!/org/slf4j/impl/StaticLoggerBinder.class] >> SLF4J: Found binding in >> [jar:file:/C:/cygwin/usr/local/mahout/examples/target/dependency/slf4j-jcl-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class] >> SLF4J: Found binding in >> [jar:file:/C:/cygwin/usr/local/mahout/examples/target/dependency/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class] >> SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an >> explanation. >> 12/05/13 20:26:46 WARN driver.MahoutDriver: No >> org.apache.mahout.classifier.bayes.PrepareTwentyNewsgroups.props found on >> classpath, will use command-line arguments only >> Exception in thread "main" java.io.FileNotFoundException: *Can't find input >> directory \tmp\mahout-work-Administrator\20news-bydate\20news-bydate-train* >> at >> org.apache.mahout.classifier.bayes.PrepareTwentyNewsgroups.main(PrepareTwentyNewsgroups.java:92) >> 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:188) >> >> -- >> View this message in context: >> http://lucene.472066.n3.nabble.com/Exception-running-20newsgroups-example-tp3983590.html >> Sent from the Mahout User List mailing list archive at Nabble.com. -- Lance Norskog [email protected]
