org.apache.lucene.analysis.snowball.SnowballAnalyzer Check spelling
On Tue, Apr 20, 2010 at 10:23 PM, Delroy Cameron <delroy.came...@gmail.com>wrote: > > Grant, > > i'm trying to generate the Sequence Vectors using the SnowballAnlyzer as > opposed to the StandardAnlyzer. I've already gone through this process > using > the StandardAnlyzer and plotted the output clusters using the k-means dump > file, so i'm familiar with clustering in Mahout. i'd like to repeat this > exercise with the SnowballAnlyzer, running the following command. > > ./mahout seq2sparse -s 2 -a > org.apache.lucene.anlysis.snowball.SnowballAnlyzer -chunk 100 -i > /home/hadoop/tmp/trecdata-seqfiles/chunk-0 -o > /home/hadoop/tmp/trecdata-vectors -md 1 -x 75 -wt TFIDF -n 0 > > 1) i've placed the lucene-snowball jar in the m2 repository > /home/delroy/.m2/repository/org/apache/lucene/lucene-snowball/2.9.1 > > 2) and i also updated the Mahout_CORE/pom xml to reflect the dependency > <!-- updated by Delroy to use Snowball Anlyzer --> > <dependency> > <groupId>org.apache.lucene</groupId> > <artifactId>lucene-snowball</artifactId> > <version>2.9.1</version> > </dependency> > > 3) then i did a mvn install on the Mahout_CORE and on Mahout_ROOT, which > downloaded the lucene-snowball pom and lucene-snowball pom sha1 to the m2 > repository > > this error seems to stem from developer code, which incidentally notes that > you should not instantiate the anlyzer at > SparseVectorsFromSequenceFiles.java:176 any suggestions here? > > Output: > Exception in thread "main" java.lang.InstantiationException: > org.apache.lucene.anlysis.snowball.SnowballAnlyzer > at java.lang.Class.newInstance0(Class.java:357) > at java.lang.Class.newInstance(Class.java:325) > at org.apache.mahout.text.SparseVectorsFromSequenceFiles.main() > 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:616) > 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:172) > > PS: I just love the spam filter..won't let me write too many variants of > the > word Analyzer because it contains the word anal. > > > ----- > --cheers > Delroy > -- > View this message in context: > http://n3.nabble.com/SnowballAnalyzer-tp729983p732912.html > Sent from the Mahout User List mailing list archive at Nabble.com. >
