Dotan, http://wiki.apache.org/solr/SolrAdaptersForLuceneSpatial4#Configuration You need to put the its jar within Solr's WEB-INF/lib; unfortunately you can't simply reference it via a <lib> entry and put it wherever. FWIW you can find the same question and my response on Stackoverflow.
~ David On 2/20/13 9:11 AM, "Dotan Cohen" <dotanco...@gmail.com> wrote: >All right, I think that I've tracked this down: >http://tsusiatsoftware.net/jts/main.html > >I have downloaded and unpacked the .zip file from SourceForge, butI >have no idea where to put the files for Solr to find them. How is this >done? > >Thank you. > >-- >Dotan Cohen > >http://gibberish.co.il >http://what-is-what.com