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https://issues.apache.org/jira/browse/MAHOUT-1639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Suneel Marthi updated MAHOUT-1639:
----------------------------------
Fix Version/s: (was: 1.0)
0.10.0
> streamingkmeans doesn't properly validate estimatedNumMapClusters -km
> ---------------------------------------------------------------------
>
> Key: MAHOUT-1639
> URL: https://issues.apache.org/jira/browse/MAHOUT-1639
> Project: Mahout
> Issue Type: Bug
> Components: CLI
> Affects Versions: 0.9
> Reporter: Peter Sergeant
> Assignee: Suneel Marthi
> Priority: Minor
> Labels: legacy
> Fix For: 0.10.0
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> The value of -km isn't checked by the CLI, which means if you don't specify
> it, you get the rather cryptic:
> {noformat}
> Exception in thread "main" java.lang.NumberFormatException: null
> at java.lang.Integer.parseInt(Integer.java:454)
> at java.lang.Integer.parseInt(Integer.java:527)
> at
> org.apache.mahout.clustering.streaming.mapreduce.StreamingKMeansDriver.configureOptionsForWorkers(StreamingKMeansDriver.java:252)
> at
> org.apache.mahout.clustering.streaming.mapreduce.StreamingKMeansDriver.run(StreamingKMeansDriver.java:239)
> 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.streaming.mapreduce.StreamingKMeansDriver.main(StreamingKMeansDriver.java:491)
> 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:606)
> 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)
> {noformat}
> Other parameters give helpful error messages when required
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