Absence of 'proof' is not always proof of absence but in this case it is - The GPD does not play any role in this (it is not mentioned anywhere in the simulation docs) - The simulationdata is in a separate file (so it is not IN the process) So imo your questions are answered. If you need more info don't hesitate to ask View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4231705#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...