Thanks Abdul for your reply! mahout script was executing some command classpath, the output of which is stored in the HADOOP_BINARY_CLASSPATH variable. But I found that this variable is not being used anywhere else so I ignored the error. I was able to run the example later on.
Regards, Amruta On Sat, Jul 28, 2012 at 8:05 AM, in.abdul <[email protected]> wrote: > And can also you check that in target folder contains .class file > generated or not . > > Syed Abdul kather > send from Samsung S3 > On Jul 28, 2012 8:32 PM, "syed kather" <[email protected]> wrote: > > > > > Hi , > > The way you have installed mahout may be wrong .. can I know whether > out > > of box in mahout is working fine . > > Syed Abdul kather > > send from Samsung S3 > > On Jul 28, 2012 5:35 AM, "k6.amruta [via Lucene]" < > > [email protected]> wrote: > > > >> I am trying to run Wikipedia Bayes Example from > >> https://cwiki.apache.org/confluence/...+Bayes+Example > >> > >> When I ran the following command : $MAHOUT_HOME/bin/mahout > >> wikipediaXMLSplitter -d > >> $MAHOUT_HOME/examples/temp/enwiki-latest-pages-articles10.xml -o > >> wikipedia/chunks -c 64 > >> > >> I am getting this error: > >> > >> Exception in thread "main" java.lang.NoClassDefFoundError: classpath > >> Caused by: java.lang.ClassNotFoundException: classpath > >> at java.net.URLClassLoader$1.run(URLClassLoader.java:217) > >> at java.security.AccessController.doPrivileged(Native Method) > >> at java.net.URLClassLoader.findClass(URLClassLoader.java:205) > >> at java.lang.ClassLoader.loadClass(ClassLoader.java:323) > >> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) > >> at java.lang.ClassLoader.loadClass(ClassLoader.java:268) > >> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:336) > >> Running on hadoop, using /x/home/hadoop_adm/opt/hadoop/bin/hadoop and > >> HADOOP_CONF_DIR= > >> MAHOUT-JOB: > >> /x/home/user/mahout-distribution-0.7/mahout-examples-0.7-job.jar > >> 12/07/27 16:28:02 WARN driver.MahoutDriver: Unable to add class: > >> wikipediaXMLSplitter > >> 12/07/27 16:28:02 WARN driver.MahoutDriver: No > wikipediaXMLSplitter.props > >> found on classpath, will use command-line arguments only > >> Unknown program 'wikipediaXMLSplitter' chosen. > >> Valid program names are: > >> arff.vector: : Generate Vectors from an ARFF file or directory > >> baumwelch: : Baum-Welch algorithm for unsupervised HMM training > >> canopy: : Canopy clustering > >> cat: : Print a file or resource as the logistic regression models > would > >> see it > >> cleansvd: : Cleanup and verification of SVD output > >> clusterdump: : Dump cluster output to text > >> clusterpp: : Groups Clustering Output In Clusters > >> cmdump: : Dump confusion matrix in HTML or text formats > >> cvb: : LDA via Collapsed Variation Bayes (0th deriv. approx) > >> cvb0_local: : LDA via Collapsed Variation Bayes, in memory locally. > >> dirichlet: : Dirichlet Clustering > >> eigencuts: : Eigencuts spectral clustering > >> evaluateFactorization: : compute RMSE and MAE of a rating matrix > >> factorization against probes > >> fkmeans: : Fuzzy K-means clustering > >> fpg: : Frequent Pattern Growth > >> hmmpredict: : Generate random sequence of observations by given HMM > >> itemsimilarity: : Compute the item-item-similarities for item-based > >> collaborative filtering > >> kmeans: : K-means clustering > >> lucene.vector: : Generate Vectors from a Lucene index > >> matrixdump: : Dump matrix in CSV format > >> matrixmult: : Take the product of two matrices > >> meanshift: : Mean Shift clustering > >> minhash: : Run Minhash clustering > >> parallelALS: : ALS-WR factorization of a rating matrix > >> recommendfactorized: : Compute recommendations using the factorization > >> of a rating matrix > >> recommenditembased: : Compute recommendations using item-based > >> collaborative filtering > >> regexconverter: : Convert text files on a per line basis based on > >> regular expressions > >> rowid: : Map SequenceFile<Text,VectorWritable> to > >> {SequenceFile<IntWritable,VectorWritable>, > SequenceFile<IntWritable,Text>} > >> rowsimilarity: : Compute the pairwise similarities of the rows of a > >> matrix > >> runAdaptiveLogistic: : Score new production data using a probably > >> trained and validated AdaptivelogisticRegression model > >> runlogistic: : Run a logistic regression model against CSV data > >> seq2encoded: : Encoded Sparse Vector generation from Text sequence > >> files > >> seq2sparse: : Sparse Vector generation from Text sequence files > >> seqdirectory: : Generate sequence files (of Text) from a directory > >> seqdumper: : Generic Sequence File dumper > >> seqmailarchives: : Creates SequenceFile from a directory containing > >> gzipped mail archives > >> seqwiki: : Wikipedia xml dump to sequence file > >> spectralkmeans: : Spectral k-means clustering > >> split: : Split Input data into test and train sets > >> splitDataset: : split a rating dataset into training and probe parts > >> ssvd: : Stochastic SVD > >> svd: : Lanczos Singular Value Decomposition > >> testnb: : Test the Vector-based Bayes classifier > >> trainAdaptiveLogistic: : Train an AdaptivelogisticRegression model > >> trainlogistic: : Train a logistic regression using stochastic gradient > >> descent > >> trainnb: : Train the Vector-based Bayes classifier > >> transpose: : Take the transpose of a matrix > >> validateAdaptiveLogistic: : Validate an AdaptivelogisticRegression > >> model against hold-out data set > >> vecdist: : Compute the distances between a set of Vectors (or Cluster > >> or Canopy, they must fit in memory) and a list of Vectors > >> vectordump: : Dump vectors from a sequence file to text > >> viterbi: : Viterbi decoding of hidden states from given output states > >> sequence > >> > >> > >> ------------------------------ > >> If you reply to this email, your message will be added to the > >> discussion below: > >> > >> > http://lucene.472066.n3.nabble.com/Exception-in-thread-main-java-lang-NoClassDefFoundError-classpath-tp3997816.html > >> To unsubscribe from Lucene, click here< > http://lucene.472066.n3.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=472066&code=aW4uYWJkdWxAZ21haWwuY29tfDQ3MjA2NnwxMDczOTUyNDEw > > > >> . > >> NAML< > http://lucene.472066.n3.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml > > > >> > > > > > > > ----- > THANKS AND REGARDS, > SYED ABDUL KATHER > -- > View this message in context: > http://lucene.472066.n3.nabble.com/Re-Exception-in-thread-main-java-lang-NoClassDefFoundError-classpath-tp3997867.html > Sent from the Mahout User List mailing list archive at Nabble.com. >
