This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
The actionListener attribute is intented to be used in an UICommand tag. The actionListener tag is intented to be used in a h:form tag, despite of which UICommand tag you're using and therefore it will be called every time when you submits the form.