What's your run command? I think it is because of your classpath setting.
At 2015-04-28 15:25:01, "Mihai Dascalu" <mihai.dasc...@cs.pub.ro> wrote: >Hi! > > >I’ve been experimenting with the SSVDSolver and unfortunately, during runtime, >I encounter this error: > >10648576 [Thread-13] WARN org.apache.hadoop.mapred.LocalJobRunner - >job_local1958711697_0001 >java.lang.NoClassDefFoundError: org/apache/commons/httpclient/HttpMethod > at > org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:546) >Caused by: java.lang.ClassNotFoundException: >org.apache.commons.httpclient.HttpMethod > at java.net.URLClassLoader$1.run(URLClassLoader.java:372) > at java.net.URLClassLoader$1.run(URLClassLoader.java:361) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:360) > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > ... 1 more > >Exception in thread "Thread-13" java.lang.NoClassDefFoundError: >org/apache/commons/httpclient/HttpMethod > at > org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:562) >Caused by: java.lang.ClassNotFoundException: >org.apache.commons.httpclient.HttpMethod > at java.net.URLClassLoader$1.run(URLClassLoader.java:372) > at java.net.URLClassLoader$1.run(URLClassLoader.java:361) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:360) > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > ... 1 more > >The actual invocation is: > >public static void runSSVDOnSparseVectors(String inputPath, > String outputPath, int rank, int oversampling, int > blocks, > int reduceTasks, int powerIterations, boolean halfSigma) > throws IOException { > Configuration conf = new Configuration(); > SSVDSolver solver = new SSVDSolver(conf, new Path[] { new Path( > inputPath) }, new Path(outputPath), blocks, rank, > oversampling, > reduceTasks); > solver.setQ(powerIterations); > if (halfSigma) { > solver.setcUHalfSigma(true); > solver.setcVHalfSigma(true); > } > solver.run(); >} > >while being invoked with (input.getParent() + “/" + TERM_DOC_MATRIX_NAME, >input.getParent() + “/" + SVD_FOLDER_NAME, k, 2 * k, Math.min(200000, (int) (3 >* k * 0.01 * >Math.max(lsaTraining.getNoDocuments(),lsaTraining.getNoWords()))), 5, 2, true); > >I’m using Mahout 0.10 with httpclient-4.4.1.jar (I tried also 4.2.5 from the >package archive) on a 48k words X 53k docs matrix. > >Any ideas? It works fine with the similar variables if I run the job in >command line. > >Also, how should I tweak the input variables? > > >Thanks in advance! >Mihai