[users@httpd] Help for rewritting without change The URL into browser

I have to rewrite addresses and I can't, see if you can help me. I have an apache, which calls me with this type of address http://www.domain.com/food-helps This internally has to be returned to me by a jboss with, let's say, this url: http://www.domain.com/32HELP the problem is that with this:

[users@httpd] Help Gor básico ( :-) ) rewrite

Hello, I'm new to this topic and I'm finding it difficult. Let's see if you can help me please. I am trying to remove the contextroot from my application. For example, I have the following URL that calls me: www.domain.com/REDF00K/form.xhtml and I want to eliminate, in the rewrite, the REDF00K