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
