forward() across webapps II

http://hoare.cs.umsl.edu/servlet/j-siegel/studentTest

studentTest.java in j-siegel

import java.io.IOException;
import java.util.ArrayList;
import javax.servlet.*;
import javax.servlet.http.*;
import mybeans.*;
public class studentTest extends HttpServlet {
    protected void doGet(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, IOException
    {
        SQLBean thestudent = new SQLBean();
        thestudent.setAll("Joe Jones");
        req.setAttribute("student", thestudent);
        res.setContentType("text/html;charset=UTF-8");
        ServletContext src = req.getSession().getServletContext();
        ServletContext target = src.getContext("/js_mini");
        RequestDispatcher rd = target.getRequestDispatcher("/showStudent.jsp");
        rd.forward(req, res);
    }
}

js_mini

web.xml in js_mini (no servlets)

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
      version="3.0">

</web-app>