Hi,
We did quite a bit of work to certify that the next version of KonaKart works on a large set of popular Application Servers (including WebSphere, WebLogic, JBoss, JOnAS, Glassfish, Tomcat 6 etc...).
Whilst the implementation of the KonaKart on these Application servers gets a little easier in the next release, there is nothing to stop you implementing the current release on any of the above.
--Brian