"redijedi" wrote : However, you mentioned part of the problem: my ejb does not have the implementation on the classpath. But that is sort of the point of the system. I'm trying to get it to just take Objects - any Objects. I don't want to do anything with them accept store them in a cache which itself doesn't care about implementations either. | | Okay. The reason i asked you about this was to ensure that this was not of those usual ClassNotFound issues :-) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4177663#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...