Comment 2 for bug 244731

I have downloaded the utility and confirmed the provided test works OK with 6b12-0ubuntu6:

jem@fawkes:~/t/kea-5.0_full$ java -version
java version "1.6.0_0"
IcedTea6 1.3.1 (6b12-0ubuntu6) Runtime Environment (build 1.6.0_0-b12)
OpenJDK Client VM (build 1.6.0_0-b12, mixed mode, sharing)

jem@fawkes:~/t/kea-5.0_full$ javac -cp lib/commons-logging.jar:lib/icu4j_3_4.jar:lib/iri.jar:lib/jena.jar:lib/kea-5.0.jar:lib/snowball.jar:lib/weka.jar:lib/xercesImpl.jar TestKea.java

jem@fawkes:~/t/kea-5.0_full$ java -Xmx512M -cp lib/commons-logging.jar:lib/icu4j_3_4.jar:lib/iri.jar:lib/jena.jar:lib/kea-5.0.jar:lib/snowball.jar:lib/weka.jar:lib/xercesImpl.jar:. TestKea
Creating the model...
-- Loading the Index...
-- Building the Vocabulary index from SKOS file
-- Reading the Documents...
Extracting keyphrases from test documents...
-- Loading the Index...
-- Building the Vocabulary index from SKOS file
-- Extracting Keyphrases...
Avg. number of matching keyphrases compared to existing ones : 8.8 +/- 0.84
Based on 5 documents
Look into testdocs/en/test to see the results
and compare them to testdocs/en/test/manual_keyphrases/.