something wrong in deploying Web Application aRchive file

From:
 cong <franzcai80@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Mon, 23 Jul 2007 03:03:36 -0700
Message-ID:
<1185185016.268941.144800@e9g2000prf.googlegroups.com>
web.xml:

 <?xml version="1.0" encoding="ISO-8859-1"?>
  <web-app>
      <display-name>ShowLifecycles</display-name>
      <description>An example of how to use lifecycle events</
description>

      <listener>
          <listener-class>
              examples.MyAppListener
          </listener-class>
      </listener>
  </web-app>

ShowLifecycles.jsp:
<html>
  <body>

  <%!
      public void jspInit()
      {
          log("***ShowLifecycles.jsp - Invoked jspInit()");
      }
  %>
  <%!
      public void jspDestroy()
      {
          log("***ShowLifecycles.jsp - Invoked jspDestroy()");
      }
  %>

      log("***ShowLifecycles.jsp - Invoked jspService()");
  %>

  The current date is: <%= new java.util.Date() %>
  </body>
</html>

MyAppListener:java
 package examples;

  import java.io.*;
  import javax.servlet.*;
  import javax.servlet.http.*;

   public class MyAppListener
           implements ServletContextListener {

      public void contextInitialized(ServletContextEvent event) {
          ServletContext context = event.getServletContext();
          context.log("***ShowLifecycles - Created the servlet
context");
      }

      public void contextDestroyed(ServletContextEvent event) {
          ServletContext context = event.getServletContext();
          context.log("***ShowLifecycles - Destroyed the servlet
context");
      }
  }

error information following:
org.xml.SAXparseException
the processing instruction target match "[xX][mM][lL]" is not allowed

how can I fix it?

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