This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori 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.