mod_jk2 Tomcat Apache JSP Servlet

Hello, I've configured Apache Web Server with mod_jk2 to communicate it with Apache Tomcat 5.5. Mmm, I've created a Web Application with one JSP (index.JSP) and one Servlet (it is performed form JSP). All is ok, but when I access to my web Application the result is the code of my JSP instead a si

custom HttpSession server.xml

Hello, I'm interested in customize the default HttpSession, but I don't know how can I custom it? I should like when form my servlet I execute req.getSession(), it returns me my customized HttpSession: HttpSession session = req.getSession(true);