Dear Ted I have many request to update the code on github.
Unfortunately I am on a very pushing period. However as soon as possible I will have some update I will push them on github Piero -----Messaggio originale----- Da: Ted Dunning [mailto:[email protected]] Inviato: 08 August 2014 20:56 A: [email protected] Oggetto: Re: Problem with Mahout Text Classifier following Apache Mahout Cookbook examples Piero, It might help if you put your examples with updates on github so that you can point people to that. On Thu, Aug 7, 2014 at 2:30 AM, Piero Giacomelli <[email protected]> wrote: > Ok nice in case you have more problem pls do not hesitate to ask me > > Piero Giacomelli > > > > 2014-08-07 11:29 GMT+02:00 xenlee - Zerg <[email protected]>: > > > I solved my problem, I didnt split the right file. > > > > > > 2014-08-07 10:28 GMT+02:00 xenlee - Zerg <[email protected]>: > > > > > Hi, > > > > > > I am following the Apache Mahout Cookbook tutorials and I tried to > > > run > a > > > classifier on 20newsGroup.I managed to convert the files in SF > > > then run > > the > > > TF-IDF algorithm, and split the Data into Train/test. But when I > finally > > > build my model with trainnb, here is the error I got. > > > Did this already occur to someone? > > > > > > Regards, > > > xenlee - > > > > > > > > > [mapr@fb-mapr1 new]$ mahout trainnb -i > > > /input/new/20news-train-vectors -el -o /input/new/model -li > > > /input/new/labelindex -ow No MAHOUT_CONF_DIR found MAHOUT_LOCAL is > > > not set; adding HADOOP_CONF_DIR to classpath. > > > Running on hadoop, using /opt/mapr/hadoop/hadoop-0.20.2/bin/hadoop > > > and HADOOP_CONF_DIR=/opt/mapr/hadoop/hadoop-0.20.2/conf > > > MAHOUT-JOB: > /opt/mapr/mahout/mahout-0.9/mahout-examples-0.9-mapr-job.jar > > > 14/08/07 08:22:44 WARN driver.MahoutDriver: No trainnb.props found > > > on classpath, will use command-line arguments only > > > 14/08/07 08:22:44 INFO common.AbstractJob: Command line arguments: > > > {--alphaI=[1.0], --endPhase=[2147483647], --extractLabels=null, > > > --input=[/input/new/20news-train-vectors], > > > --labelIndex=[/input/new/labelindex], --output=[/input/new/model], > > > --overwrite=null, --startPhase=[0], --tempDir=[temp]} > > > 14/08/07 08:22:44 INFO zlib.ZlibFactory: Successfully loaded & > > initialized > > > native-zlib library > > > 14/08/07 08:22:44 INFO compress.CodecPool: Got brand-new > > > decompressor Exception in thread "main" > > > java.lang.ArrayIndexOutOfBoundsException: 1 > > > at > > > > > > org.apache.mahout.classifier.naivebayes.BayesUtils.writeLabelIndex(Bay > esUtils.java:123) > > > at > > > > > > org.apache.mahout.classifier.naivebayes.training.TrainNaiveBayesJob.cr > eateLabelIndex(TrainNaiveBayesJob.java:180) > > > at > > > > > > org.apache.mahout.classifier.naivebayes.training.TrainNaiveBayesJob.ru > n(TrainNaiveBayesJob.java:94) > > > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) > > > at > > > > > > org.apache.mahout.classifier.naivebayes.training.TrainNaiveBayesJob.ma > in(TrainNaiveBayesJob.java:64) > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > > at > > > > > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.j > ava:57) > > > at > > > > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccess > orImpl.java:43) > > > at java.lang.reflect.Method.invoke(Method.java:606) > > > at > > > > > > org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(Program > Driver.java:68) > > > at > > > org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139) > > > at > > > org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195) > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > > at > > > > > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.j > ava:57) > > > at > > > > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccess > orImpl.java:43) > > > at java.lang.reflect.Method.invoke(Method.java:606) > > > at org.apache.hadoop.util.RunJar.main(RunJar.java:197) > > > > > > > > > -- > Piero Giacomelli, Italia > phone:+39 34 71 02 42 95 > e-mail: [email protected] > skype: pgiacome > twitter: @pierogiacomelli > my books: > Apache Mahout cookbok > <http://www.packtpub.com/apache-mahout-cookbook/book > > > HornetQ Messaging Developer's Guide > <http://www.amazon.com/dp/1849518408/?tag=packtpubli-20> >
