Event Model from Scratch

I am trying to learn the event model by creating a sample web app from scratch, 
but I am running into the unexpected error pasted below.

This is on tomcat 4.1.29 with Barracuda CVS from about 4 days ago.

Any help is appreciated,
Jason



Error: EventException


There was an unexpected error while servicing this request...please contact your
application administrator and notify them of the problem.

Error dispatching request: Invoked handleControlEvent()...this method should have
been extended

Exception:

org.enhydra.barracuda.core.event.UnhandledEventException: Invoked handleControlEvent()...this
method should have been extended
        at org.enhydra.barracuda.core.event.DefaultBaseEventListener.handleControlEvent(DefaultBaseEventListener.java:97)
        at org.enhydra.barracuda.core.event.DefaultBaseEventListener.handleEvent(DefaultBaseEventListener.java:64)
        at org.enhydra.barracuda.core.event.DefaultEventDispatcher.notifyListeners(DefaultEventDispatcher.java:424)
        at org.enhydra.barracuda.core.event.DefaultEventDispatcher.dispatch(DefaultEventDispatcher.java:188)
        at org.enhydra.barracuda.core.event.DefaultEventDispatcher.dispatchEvent(DefaultEventDispatcher.java:108)
        at org.enhydra.barracuda.core.event.DefaultEventBroker.dispatchEvent(DefaultEventBroker.java:450)
        at org.enhydra.barracuda.core.event.ApplicationGateway.handleDefaultExt(ApplicationGateway.java:696)
        at org.enhydra.barracuda.core.event.ApplicationGateway.handleDefault(ApplicationGateway.java:260)
        at org.enhydra.barracuda.core.event.ApplicationGateway.doGet(ApplicationGateway.java:1127)