Problem in executing the SimilarityCalculationDemo.java about ws4j HOT 1 OPEN

C:\Program Files\Java\jdk1.6.0_43\bin>java SimilarityCalculationDemo
java.lang.NullPointerException
        at java.util.Properties$LineReader.readLine(Properties.java:418)
        at java.util.Properties.load0(Properties.java:337)
        at java.util.Properties.load(Properties.java:325)
        at edu.cmu.lti.ws4j.util.WS4JConfiguration.<init>(WS4JConfiguration.java
:30)
        at edu.cmu.lti.ws4j.util.WS4JConfiguration.<clinit>(WS4JConfiguration.ja
va:10)
        at edu.cmu.lti.lexical_db.NictWordNet.<clinit>(NictWordNet.java:28)
        at SimilarityCalculationDemo.<clinit>(SimilarityCalculationDemo.java:18)

java.lang.NullPointerException
        at java.util.Properties$LineReader.readLine(Properties.java:418)
        at java.util.Properties.load0(Properties.java:337)
        at java.util.Properties.load(Properties.java:325)
        at edu.cmu.lti.jawjaw.util.Configuration.<init>(Configuration.java:40)
        at edu.cmu.lti.jawjaw.util.Configuration.<clinit>(Configuration.java:23)

        at edu.cmu.lti.jawjaw.db.WordDAO.<clinit>(WordDAO.java:42)
        at edu.cmu.lti.jawjaw.util.WordNetUtil.wordToSynsets(WordNetUtil.java:38
)
        at edu.cmu.lti.lexical_db.NictWordNet.getAllConcepts(NictWordNet.java:38
)
        at edu.cmu.lti.ws4j.util.WordSimilarityCalculator.calcRelatednessOfWords
(WordSimilarityCalculator.java:79)
        at edu.cmu.lti.ws4j.RelatednessCalculator.calcRelatednessOfWords(Related
nessCalculator.java:61)
        at SimilarityCalculationDemo.run(SimilarityCalculationDemo.java:27)
        at SimilarityCalculationDemo.main(SimilarityCalculationDemo.java:33)
java.lang.ClassNotFoundException: org.sqlite.JDBC
        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:171)
        at edu.cmu.lti.jawjaw.db.SQL.createSQLConnection(SQL.java:77)
        at edu.cmu.lti.jawjaw.db.SQL.<init>(SQL.java:55)
        at edu.cmu.lti.jawjaw.db.SQL.<clinit>(SQL.java:45)
        at edu.cmu.lti.jawjaw.db.WordDAO.findWordsByLemmaAndPos(WordDAO.java:124
)
        at edu.cmu.lti.jawjaw.util.WordNetUtil.wordToSynsets(WordNetUtil.java:38
)
        at edu.cmu.lti.lexical_db.NictWordNet.getAllConcepts(NictWordNet.java:38
)
        at edu.cmu.lti.ws4j.util.WordSimilarityCalculator.calcRelatednessOfWords
(WordSimilarityCalculator.java:79)
        at edu.cmu.lti.ws4j.RelatednessCalculator.calcRelatednessOfWords(Related
nessCalculator.java:61)
        at SimilarityCalculationDemo.run(SimilarityCalculationDemo.java:27)
        at SimilarityCalculationDemo.main(SimilarityCalculationDemo.java:33)
Exception in thread "main" java.lang.NullPointerException
        at edu.cmu.lti.jawjaw.db.SQL.getPreparedStatement(SQL.java:217)
        at edu.cmu.lti.jawjaw.db.WordDAO.findWordsByLemmaAndPos(WordDAO.java:124
)
        at edu.cmu.lti.jawjaw.util.WordNetUtil.wordToSynsets(WordNetUtil.java:38
)
        at edu.cmu.lti.lexical_db.NictWordNet.getAllConcepts(NictWordNet.java:38
)
        at edu.cmu.lti.ws4j.util.WordSimilarityCalculator.calcRelatednessOfWords
(WordSimilarityCalculator.java:79)
        at edu.cmu.lti.ws4j.RelatednessCalculator.calcRelatednessOfWords(Related
nessCalculator.java:61)
        at SimilarityCalculationDemo.run(SimilarityCalculationDemo.java:27)
        at SimilarityCalculationDemo.main(SimilarityCalculationDemo.java:33)

C:\Program Files\Java\jdk1.6.0_43\bin>