I've always run these examples from Eclipse and had not tried the CLI invocation until recently. This error has been posted on our wiki as a comment on the synthetic control examples page since Feb: https://cwiki.apache.org/confluence/display/MAHOUT/Visualizing+Sample+Clusters
-----Original Message----- From: Sean Owen [mailto:[email protected]] Sent: Wednesday, May 25, 2011 9:15 AM To: [email protected] Subject: Re: [VOTE] Release Mahout 0.5, take 2 Now this looks different -- are you saying this is an additional error? But it could suggest a mismatch between the Hadoop version at compile time and runtime? Weird, I have never seen that one myself but not sure I have run this example! Let me look too. On Wed, May 25, 2011 at 5:10 PM, Jeff Eastman <[email protected]> wrote: > I've run this many times and it is a hard failure for me. The missing file > is really missing in each run. Cannot run any of these from the CLI for some > reason I don't understand: > > [dev@devbox mahout]$ ./bin/mahout > org.apache.mahout.clustering.display.DisplaySpectralKMeans > no HADOOP_HOME set, running locally > SLF4J: Class path contains multiple SLF4J bindings. > SLF4J: Found binding in > [jar:file:/home/dev/workspace/mahout/examples/target/mahout-examples-0.6-SNAPSHOT-job.jar!/org/slf4j/impl/StaticLoggerBinder.class] > SLF4J: Found binding in > [jar:file:/home/dev/workspace/mahout/examples/target/dependency/slf4j-jcl-1.6.0.jar!/org/slf4j/impl/StaticLoggerBinder.class] > SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an > explanation. > May 25, 2011 9:09:00 AM org.slf4j.impl.JCLLoggerAdapter warn > WARNING: No > org.apache.mahout.clustering.display.DisplaySpectralKMeans.props found on > classpath, will use command-line arguments only > Exception in thread "main" java.lang.IllegalAccessException: Class > org.apache.hadoop.util.ProgramDriver$ProgramDescription can not access a > member of class org.apache.mahout.clustering.display.DisplaySpectralKMeans > with modifiers "public static" > at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:65) > at java.lang.reflect.Method.invoke(Method.java:588) > at > org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68) > at > org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139) > at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:187) > > -----Original Message----- > From: Sean Owen [mailto:[email protected]] > Sent: Wednesday, May 25, 2011 1:13 AM > To: [email protected] > Subject: RE: [VOTE] Release Mahout 0.5, take 2 > > Run again and it won't happen. I've seen this infrequently. I don't see it > now nor see Jenkins failures. I believe it is mere test flakiness which is > a > bug though not a blocker. > On May 25, 2011 12:26 AM, "Jeff Eastman" <[email protected]> wrote: > > Trying to run the example DisplaySpectralKMeans from Eclipse, I'm getting > an exception I didn't used to get: > > > > Exception in thread "main" java.lang.IllegalStateException: > java.io.FileNotFoundException: File > > file:/home/dev/workspace/mahout/examples/output/calculations/laplacian-57/tmp/data > does not exist. > > at > > org.apache.mahout.math.hadoop.DistributedRowMatrix.times(DistributedRowMatrix.java:217) > > at > > org.apache.mahout.math.decomposer.lanczos.LanczosSolver.solve(LanczosSolver.java:104) > > at > > org.apache.mahout.math.hadoop.decomposer.DistributedLanczosSolver.runJob(DistributedLanczosSolver.java:70) > > at > > org.apache.mahout.clustering.spectral.kmeans.SpectralKMeansDriver.run(SpectralKMeansDriver.java:155) > > at > > org.apache.mahout.clustering.display.DisplaySpectralKMeans.main(DisplaySpectralKMeans.java:71) > > Caused by: java.io.FileNotFoundException: File > > file:/home/dev/workspace/mahout/examples/output/calculations/laplacian-57/tmp/data > does not exist. > > at > > org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:361) > > at > > org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:245) > > at > > org.apache.hadoop.mapred.SequenceFileInputFormat.listStatus(SequenceFileInputFormat.java:51) > > at > > org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:201) > > at org.apache.hadoop.mapred.JobClient.writeOldSplits(JobClient.java:810) > > at > org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:781) > > at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:730) > > at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1249) > > at > > org.apache.mahout.math.hadoop.DistributedRowMatrix.times(DistributedRowMatrix.java:209) > > > > -----Original Message----- > > From: Sean Owen [mailto:[email protected]] > > Sent: Monday, May 23, 2011 12:03 PM > > To: Mahout Dev List > > Subject: [VOTE] Release Mahout 0.5, take 2 > > > > > > https://repository.apache.org/content/repositories/orgapachemahout-001/org/apache/mahout/ > > > > Enjoy! >
