I've also tried to use older Lucene versions such as: Lucene 3.1 and Lucene 2.9.4 with no luck.
Thanks On 19 April 2011 14:48, Patrick Diviacco <patrick.divia...@gmail.com> wrote: > Hi, I get this error: > > Exception in thread "main" java.lang.IncompatibleClassChangeError: > Implementing class > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632) > at java.lang.ClassLoader.defineClass(ClassLoader.java:616) > at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) > at java.net.URLClassLoader.access$000(URLClassLoader.java:58) > at java.net.URLClassLoader$1.run(URLClassLoader.java:197) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:190) > at java.lang.ClassLoader.loadClass(ClassLoader.java:307) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) > at java.lang.ClassLoader.loadClass(ClassLoader.java:248) > at NVoting.<init>(NVoting.java:143) > at Main.main(Main.java:8) > > > on this line: > > booleanQuery.add(new BM25BooleanQuery(current_tags[i], > "tags", > new StandardAnalyzer(org.apache.lucene.util.Version.LUCENE_31)), > BooleanClause.Occur.SHOULD); > > I'm using an implementation of BM25 Okapi retrieval system: > http://nlp.uned.es/~jperezi/Lucene-BM25 > > Can you help me to fix the issue ? I'm using Lucene 3.1 > thanks >
