Krisv, I have removed the Configuration interface and implementation and implemented everything to use DOM and Element. I've updated all the tests and it seems to be working: http://jira.jboss.com/jira/browse/JBRULES-1634 I have not yet updated the Semantic Modules to allow DOM handler, I'll do that tomorrow along with attempting to do a JAXB one. But hopefully what I've done already is enough for you to do the OSWorkflow mapping. Mark