<?xml version="1.0" encoding="UTF-8"?>                                                                                                     
<!DOCTYPE jboss-web  PUBLIC  "-//JBoss//DTD Web Application 2.4//EN"                                                                         
    "http://www.jboss.org/j2ee/dtd/jboss-web_4_0.dtd">                                                                                     
<jboss-web>                                                                                                                                
    <context-root>/</context-root>                                                                                                         
</jboss-web>                                                                                                                               

 public   class  Test  extends  HttpServlet {

     private  ServletContext context;

     public   void  init(ServletConfig servletConfig)  throws  ServletException {
         super .init(servletConfig);
        context = servletConfig.getServletContext();
    }


     protected   void  doGet(HttpServletRequest request, HttpServletResponse response)  throws  ServletException, IOException {
        ServletContext c = context.getContext("/test");

        RequestDispatcher disp = c.getRequestDispatcher("/test.jsp");
        disp.forward(request, response);
    }
}