Mailed it to the dev list, but this is a better place for it.
From the e-mail:
I've attached the typemapping we're using (not all types
have been tested, but the mapping has been constructed
with the Axion sources nearby, so they should be ok more
For the service.xml file: use the Hypersonic one, but lose
the dependency on the Hsql Mbean (and change the JDBC
url etc). This database is truly embedded and needs no
TCP/IP port open.
For information on Axion: http://axion.tigris.org