I'd like to summarize the project I made for Pontis. In the attachments there are 2 presentations: a presentation about metaprogramming, Pontis kernel and web services in Java. The second presentation is only about web services in java, with little more details.
Also there is a sample project which demonstrates simplified deployment method for Axis2. To run it, you need to add all Axis2 jars and dependencies into WEB-INF/lib.
These are web resources used for preparing the java webservices part of the presentation: