I did the same thing and got the following exception :
null
java.lang.NullPointerException
at allaire.jrun.servlet.JRunServletLoader.getClassBytes(JRunServletLoader.java:619)
at allaire.jrun.servlet.JRunServletLoader.loadClass(JRunServletLoader.java:515)
at allaire.jrun.servlet.JRunServletLoader.loadClass(JRunServletLoader.java:444)
at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
at allaire.jrun.servlet.JRunSE.loadClass(JRunSE.java:1367)
at allaire.jrun.jsp.JSPParser.action(JSPParser.java:941)
at allaire.jrun.jsp.JSPParser.parse(JSPParser.java:602)
at allaire.jrun.jsp.JSPParser.writeXML(JSPParser.java:151)
at allaire.jrun.jsp.JSPParser.generateXML(JSPParser.java:123)
at allaire.jrun.jsp.JSPParser.generateXML(JSPParser.java:67)
at allaire.jrun.jsp.JSPServlet.parsePage(JSPServlet.java:409)
at allaire.jrun.jsp.JSPServlet.createServlet(JSPServlet.java:381)
at allaire.jrun.jsp.JSPServlet.loadPage(JSPServlet.java:202)
at allaire.jrun.jsp.JSPServlet.service(JSPServlet.java:169)
at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1013)
at allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java:925)
at allaire.jrun.servlet.JRunRequestDispatcher.forward(JRunRequestDispatcher.java:88)
at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1131)
at allaire.jrun.servlet.JvmContext.dispatch(JvmContext.java:330)
at allaire.jrun.http.WebEndpoint.run(WebEndpoint.java:107)
at allaire.jrun.ThreadPool.run(ThreadPool.java:272)
at allaire.jrun.WorkerThread.run(WorkerThread.java:75)
HELP