Did you try to submit the form after removing SubmitNotifier? Try it out. Because all fields are bound to the same property you need a way to be notified when a field value is set. The SubmitNotifier component is the way to do it. Check out the documentation:
http://tapestry.apache.org/tapestry5.1/tapestry-core/ref/org/apache/tapestry5/corelib/components/SubmitNotifier.html -- Best regards, Igor Drobiazko http://tapestry5.de
