it appears that you may have multiple copies of hte lucene code base in your class path.
: $ java org.apache.lucene.demo.IndexFiles ../data/medline/docs/ : Indexing to directory 'index'... : adding ../data/medline/docs/1.txt : Exception in thread "main" java.lang.IncompatibleClassChangeError: field : org.apache.lucene.analysis.standard.StandardFilter.tokenImage was not : found. -Hoss --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]