Sadly the Lucene demo is not all that great.

I recommend you start with Solr rather than Lucene directly.

        Erik

On Jan 26, 2008, at 9:30 AM, Eric Lease Morgan wrote:

> (Arg! Classpaths!)
>
> Please tell me why Java throws the NoClassDefFoundError error when I
> think I have set up my classpath correctly:
>
> $ pwd
> /home/eric/lucene
> $ ls -lh
> total 720K
> -rw-r--r-- 1 eric eric 650K 2008-01-26 08:30 lucene-core-2.3.0.jar
> -rw-r--r-- 1 eric eric  52K 2008-01-26 08:30 lucene-demos-2.3.0.jar
> $ export CLASSPATH=$PWD:.
> $ echo $CLASSPATH
> /home/eric/lucene:.
> $ java org.apache.lucene.demo.IndexFiles
> Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/
> lucene/demo/IndexFiles
>
>
> Put another way, I have downloaded Lucene and I'm trying to do the
> demo application. [1] You are suppose to put the .jar files in your
> classpath and then run java org.apache.lucene.demo.IndexFiles. What
> am I doing wrong?
>
> [1] http://lucene.apache.org/java/2_3_0/demo.html
>
> --
> Eric Lease Morgan