please help. after install and start tomcat, example jsp doesn't work. i got error 500 page. following is pasted error msg when i am using browser, click jsp examples, then excute on the next page Error: 500 Location: /examples/jsp/num/numguess.jsp Internal Servlet Error: org.apache.jasper.JasperException: Unable to compile class for JSP at java.lang.Throwable.(Compiled Code) at java.lang.Exception.(Compiled Code) at javax.servlet.ServletException.(Compiled Code) at org.apache.jasper.JasperException.(Compiled Code) at org.apache.jasper.servlet.JspServlet.doLoadJSP(Compiled Code) at org.apache.jasper.servlet.JasperLoader.loadJSP(Compiled Code) at org.apache.jasper.servlet.JspServlet.loadJSP(Compiled Code) at org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(Compiled Code) at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(Compiled Code) at org.apache.jasper.servlet.JspServlet.serviceJspFile(Compiled Code) at org.apache.jasper.servlet.JspServlet.service(Compiled Code) at javax.servlet.http.HttpServlet.service(Compiled Code) at org.apache.tomcat.core.ServletWrapper.doService(Compiled Code) at org.apache.tomcat.core.Handler.service(Compiled Code) at org.apache.tomcat.core.ServletWrapper.service(Compiled Code) at org.apache.tomcat.core.ContextManager.internalService(Compiled Code) at org.apache.tomcat.core.ContextManager.service(Compiled Code) at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(Compiled Code) at org.apache.tomcat.service.TcpWorkerThread.runIt(Compiled Code) at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(Compiled Code) at java.lang.Thread.run(Compiled Code) Root cause: java.lang.IllegalArgumentException: Unknown argument at java.lang.Throwable.(Compiled Code) at java.lang.Exception.(Compiled Code) at java.lang.RuntimeException.(Compiled Code) at java.lang.IllegalArgumentException.(Compiled Code) at java.text.MessageFormat.format(Compiled Code) at java.text.MessageFormat.format(Compiled Code) at java.text.Format.format(Compiled Code) Junlin Shen E-Mtce PSO [EMAIL PROTECTED] (732) 420-3771 800-946-4646 PIN 6109250 --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]