You'd do it the same way as you do with regular
JSP's - get it from the HttpRequest object. The only difference is that you have to get the HttpRequest from the FacesContext, since it's not passed directly to the backing bean.
However, there are limits to the usefulness of having the requester's IP address - When NAT is in use, literally thousands of different requesters can appear to have the same IP address at the same time.
The secret of how to be miserable is to constantly expect things are going to happen the way that they are "supposed" to happen.
You can have faith, which carries the understanding that you may be disappointed. Then there's being a willfully-blind idiot, which virtually guarantees it.
