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Posted to user@mahout.apache.org by "Faizan(Aroha)" <fa...@arohalabs.net> on 2011/11/19 13:30:15 UTC
error - prepare20newsgroups
Would anybody please give any hint about this error ?
$ bin/mahout prepare20newsgroups -p 20news-bydate-train/ \
-o 20news-train/ \
-a org.apache.lucene.analysis.standard.StandardAnalyzer \
-c UTF-8
MAHOUT_LOCAL is set, so we don't add HADOOP_CONF_DIR to classpath.
MAHOUT_LOCAL is set, running locally
Exception in thread "main" java.lang.IllegalStateException:
java.lang.NoSuchMethodException:
org.apache.lucene.analysis.standard.StandardAnalyzer.<init>()
at org.apache.mahout.common.ClassUtils.instantiateAs(ClassUtils.java:65)
at org.apache.mahout.common.ClassUtils.instantiateAs(ClassUtils.java:28)
at
org.apache.mahout.classifier.bayes.PrepareTwentyNewsgroups.main(PrepareTwent
yNewsgroups.java:89)
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:188)
Caused by: java.lang.NoSuchMethodException:
org.apache.lucene.analysis.standard.StandardAnalyzer.<init>()
at java.lang.Class.getConstructor0(Class.java:2706)
at java.lang.Class.getConstructor(Class.java:1657)
at org.apache.mahout.common.ClassUtils.instantiateAs(ClassUtils.java:59)
... 9 more
--
Best Regards
Faizan Shaikh
Aroha Labs (Private) Limited
Re: error - prepare20newsgroups
Posted by Suneel Marthi <su...@yahoo.com>.
U r missing Lucene jars in ur classpath. You should have them if ur project was setup from the POM file.
________________________________
From: Faizan(Aroha) <fa...@arohalabs.net>
To: user@mahout.apache.org
Sent: Saturday, November 19, 2011 7:30 AM
Subject: error - prepare20newsgroups
Would anybody please give any hint about this error ?
$ bin/mahout prepare20newsgroups -p 20news-bydate-train/ \
-o 20news-train/ \
-a org.apache.lucene.analysis.standard.StandardAnalyzer \
-c UTF-8
MAHOUT_LOCAL is set, so we don't add HADOOP_CONF_DIR to classpath.
MAHOUT_LOCAL is set, running locally
Exception in thread "main" java.lang.IllegalStateException:
java.lang.NoSuchMethodException:
org.apache.lucene.analysis.standard.StandardAnalyzer.<init>()
at org.apache.mahout.common.ClassUtils.instantiateAs(ClassUtils.java:65)
at org.apache.mahout.common.ClassUtils.instantiateAs(ClassUtils.java:28)
at
org.apache.mahout.classifier.bayes.PrepareTwentyNewsgroups.main(PrepareTwent
yNewsgroups.java:89)
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:188)
Caused by: java.lang.NoSuchMethodException:
org.apache.lucene.analysis.standard.StandardAnalyzer.<init>()
at java.lang.Class.getConstructor0(Class.java:2706)
at java.lang.Class.getConstructor(Class.java:1657)
at org.apache.mahout.common.ClassUtils.instantiateAs(ClassUtils.java:59)
... 9 more
--
Best Regards
Faizan Shaikh
Aroha Labs (Private) Limited