You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@mahout.apache.org by "Peter Sergeant (JIRA)" <ji...@apache.org> on 2015/01/27 03:41:35 UTC
[jira] [Created] (MAHOUT-1639) streamingkmeans doesn't properly
validate estimatedNumMapClusters -km
Peter Sergeant created MAHOUT-1639:
--------------------------------------
Summary: 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
Priority: Minor
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
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)