ajit kumar created MAHOUT-1161:
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Summary: 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: 0.7, 0.5
Environment: Using Centos(6.3) OS ,hadoop-0.20.2-cdh3u5,JDK 1.6
Reporter: ajit kumar
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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