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Posted to dev@mahout.apache.org by "Suneel Marthi (JIRA)" <ji...@apache.org> on 2013/07/25 14:39:49 UTC
[jira] [Updated] (MAHOUT-1141) Driver for cvb0_local does not warn
about missing maxIterations command line parameter
[ https://issues.apache.org/jira/browse/MAHOUT-1141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Suneel Marthi updated MAHOUT-1141:
----------------------------------
Fix Version/s: 0.8
> Driver for cvb0_local does not warn about missing maxIterations command line parameter
> --------------------------------------------------------------------------------------
>
> Key: MAHOUT-1141
> URL: https://issues.apache.org/jira/browse/MAHOUT-1141
> Project: Mahout
> Issue Type: Bug
> Components: Clustering
> Affects Versions: 0.7, 0.8
> Environment: MacOS 10.8, Java 7
> Reporter: Samar Lotia
> Priority: Minor
> Fix For: 0.8
>
>
> The driver for cvb0_local does not seem to verify whether the caller has specified the required maxIterations command line parameter. This results in an exception much further down which pretty much requires looking at the source to discover the source of the error.
> Exception in thread "main" java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String
> at org.apache.mahout.clustering.lda.cvb.InMemoryCollapsedVariationalBayes0.main2(InMemoryCollapsedVariationalBayes0.java:374)
> at org.apache.mahout.clustering.lda.cvb.InMemoryCollapsedVariationalBayes0.run(InMemoryCollapsedVariationalBayes0.java:521)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
> at org.apache.mahout.clustering.lda.cvb.InMemoryCollapsedVariationalBayes0.main(InMemoryCollapsedVariationalBayes0.java:525)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> 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:195)
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