Ajuda JSF, alguém conhece esse erro!

<?xml version="1.0" encoding="UTF-8"?>
 
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  * (the "License"); you may not use this file except in compliance with
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  *      http://www.apache.org/licenses/LICENSE-2.0
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 <web-app xmlns="http://java.sun.com/xml/ns/j2ee"
     xmlnssi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
     version="2.4">
 
   <display-name>MyFaces Application</display-name>
 
   <!-- servlet -->
   <servlet>
     <servlet-name>FacesServlet</servlet-name>
     <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
     <load-on-startup>1</load-on-startup>
   </servlet>
 
   <!-- servlet-mapping -->
   
   <servlet-mapping>
     <servlet-name>FacesServlet</servlet-name>
     <url-pattern>*.jsf</url-pattern>
   </servlet-mapping>
 
    <!--  The Usual Welcome File List -->
     <welcome-file-list>
       <welcome-file>index.jsp</welcome-file>
       <welcome-file>index.html</welcome-file>
     </welcome-file-list>
 
 </web-app>