On Jan 11, 2007, at 2:54 PM, Erik Hatcher wrote: > On Jan 11, 2007, at 12:10 PM, Andrew Darby wrote: > >> Thanks Erik and Bess. Erik: Lamentably, your >> >> java -cp lucene-core-2.0.0.jar:lucene-demos-2.0.0.jar >> org.apache.lucene.demo.IndexFiles src/ >> >> threw the same error. > > That is probably due to your environment CLASSPATH (I told you it was > trouble! :). Remove that environment variable altogether, or set it > to blank, or at least remove all the Lucene JARs from it, and all > should be well. Also, in case you copied my exact example, (I noticed you're on Windows) you'll need to adjust the path separator from : to ; between the two JARs in the -cp switch. That might be the issue rather than CLASSPATH, come to think of it. Erik