Hmm... I'm not a real specialist on the deep dark dungeons of jBPM, but the first thing that comes to mind is 'hibernate cache'... not sure why but my initial thought was that the components in that cache could hold a handle to acrionhandlers. I'd be interested in information though. If you could put it up on a site somewhere I'll have a look. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4106881#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...