kbase = SerializationHelper.serializeObject( kbase );
StatelessKnowledgeSession ksession = kbase.newStatelessKnowledgeSession();
final List list = new ArrayList();
ksession.addEventListener( new AgendaEventListener() {
public void activationCancelled(ActivationCancelledEvent event) {
assertNotNull( event.getKnowledgeRuntime() );
list.add( event );
}