Based on this article.
I have tried to integrate Groovy in JSF2 web application, so beans and other artifacts can be written in Groovy. However, there is more to be done than stated in 2 year old article, you also need to add
com.sun.faces.enableGroovyScripting = true
in web.xml.
UPDATE: Bean reloading on faces-config.xml modification is not working. It [...]