Dears, I'm trying to add a custom node to my application, by putting the jbpm.cfg.xml and node-types.xml on the class path, and adding this line to the node-types.xml <node-type element="custom-node" class="test.MyNode" /> MyNode.java class extends Node class package test; import org.jbpm.graph.node.State; public class MyNode extends State { public MyNode() { System.err.println("hellooo it is my node"); } } in the processdefinition.xml I changed the node to <custom-node>....</custom-node> but the problem is the graph damaged and when i'm trying to instanciate this process definition i got an exception? can any body help me plz?? and if you have a reffrence that discuss by examples how to add custom (nodes, actions,.....) plz send it to me because i searched alot on that by i didn't found anything. thanks View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4117277#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...