I had the problem listed below. Turns out is was a classpath issue. In my case there was some interference in lookup of the JpdlEntityResolver and the EntityResolver setup provided by my Weblogic.jar. Maybe this solves the problem for you. If not crank up your log4j.properties to DEBUG and see where it hurts. Best regards, Johan | 2. When I specify xml schema in process xml, i can't deploy it, unless i modify jbpm to ignore validation errors. | This is the error i get: | [[ERROR] line 376: cos-ct-extends.1.4.2.2.2.2.1: Error for type '#AnonType_assignment'. The content type of a derived type and that of its base must both be mixed or element-only., [WARNING] swimlane 'swimlane1' does not have an assignment] | I'll post the sample process file in next post. Is this a known issue? | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4020615#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...