Hi!
As mr Brogden says, get rid of Java 1.4 - it is even EOL and web service development has become very much easier since.
If you want to start learning about developing SOAP web services, I can recommend GlassFish - comes complete with a web service stack, good administration console and a SOAP web service
testing tool. Very well integrated with NetBeans and Eclipse. Check out nice tutorials at
http://www.netbeans.org
If you want to develop REST web services, I have positive experiences using Apache CXF and RESTlets and can recommend those.
Best wishes!