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Posted to dev@mahout.apache.org by "Sebastian Schelter (JIRA)" <ji...@apache.org> on 2013/04/09 07:28:16 UTC
[jira] [Resolved] (MAHOUT-1161) Unable to run CJKAnalyzer for
conversion of a sequence file to sparse vector due to instantiation
exception.
[ https://issues.apache.org/jira/browse/MAHOUT-1161?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sebastian Schelter resolved MAHOUT-1161.
----------------------------------------
Resolution: Fixed
Fix Version/s: 0.8
Assignee: Sebastian Schelter
> Unable to run CJKAnalyzer for conversion of a sequence file to sparse vector due to instantiation exception.
> ------------------------------------------------------------------------------------------------------------
>
> Key: MAHOUT-1161
> URL: https://issues.apache.org/jira/browse/MAHOUT-1161
> Project: Mahout
> Issue Type: Question
> Components: Integration
> Affects Versions: 0.5, 0.7
> Environment: Using Centos(6.3) OS ,hadoop-0.20.2-cdh3u5,JDK 1.6
> Reporter: ajit kumar
> Assignee: Sebastian Schelter
> Labels: features, test
> Fix For: 0.8
>
> Attachments: MAHOUT-1161.patch
>
>
> Unable to run CJKAnalyzer while runnig the mahout command seq2sparse along with option -a "org.apache.lucene.analysis.cjk.CJKAnalyzer".The problem is with instantiation of CJKAnanlyzer class.
> Executed Command :
> mahout seq2sparse -i inpuDir -o OutputDir -ow
> -a org.apache.lucene.analysis.cjk.CJKAnalyzer -chunk 200 -wt tfidf -s 5 -md 3 -x 90 -ng 2 -ml 50 -seq
> Error Stack trace :
> MAHOUT-JOB: /home/ajit/mahout-0.5-cdh3u5/mahout-examples-0.5-cdh3u5-job.jar
> 13/03/12 15:56:15 INFO vectorizer.SparseVectorsFromSequenceFiles: Maximum n-gram size is: 2
> 13/03/12 15:56:16 INFO vectorizer.SparseVectorsFromSequenceFiles: Minimum LLR value: 50.0
> 13/03/12 15:56:16 INFO vectorizer.SparseVectorsFromSequenceFiles: Number of reduce tasks: 1
> Exception in thread "main" java.lang.InstantiationException: org.apache.lucene.analysis.cjk.CJKAnalyzer
> at java.lang.Class.newInstance0(Class.java:340)
> at java.lang.Class.newInstance(Class.java:308)
> at org.apache.mahout.vectorizer.SparseVectorsFromSequenceFiles.run(SparseVectorsFromSequenceFiles.java:198)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
> at org.apache.mahout.vectorizer.SparseVectorsFromSequenceFiles.main(SparseVectorsFromSequenceFiles.java:52)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> 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)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:197)
>
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