So put the most actual code you try to deploy. It's hard to guess what did you change...
Also try commenting your methods code - compile it and redeploy. You will now if the listener is properly initialized (empty) and if so, then you can modify it's code.
Rupal Rshah wrote:This file is within WEB-INF/classes/myPkg;
I hope you mean the *.class file of this source code, right? :-)