There's a new XML-RPC implementation for Java, called Marquée. Apparently it is somewhat based on Hannes' implementation, but it also includes a cool object serialization framework and "dynamic proxying", which requires Java 1.3.

Doh, it's GPL'd.

Hannes' isn't, which makes it much more appealing to me. What does it mean if I subclass something in marquee.xmlrpc? Do I have to GPL my code? Could someone please clarify this for me? I don't like gotchas.