with all these kinds of new reflection using frameworks with custom classloader things, the processclassloader (used for versioning mainly) becomes less and less usefull (imo). So my suggestion would be to try it without loading any classes that are in the processarchive. Put all in jars on the classpath but jou might run into https://jira.jboss.org/jira/browse/JBPM-1148 then.... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4177264#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...