jsf初学者遇到问题，求助
自己想搭建一个jsf开发环境，但是搭建好以后jsf或者primefaces的控件都不现实，相关配置如下：
web.xml
 

<?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" version="2.5" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee   http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

  

  <context-param>    

        <param-name>primefaces.THEME</param-name>    

        <param-value>start</param-value>    

    </context-param>    

    <context-param>    

        <param-name>javax.faces.PROJECT_STAGE</param-name>    

        <param-value>Development</param-value>    

    </context-param>    

  <context-param>

        <param-name>javax.faces.DEFAULT_SUFFIX</param-name>

        <param-value>.xhtml</param-value>

   </context-param>

   <context-param>

        <param-name>javax.faces.FACELETS_LIBRARIES</param-name>

        <param-value>/WEB-INF/app-tags.taglib.xml</param-value>

    </context-param>

    

    <context-param>

        <param-name>javax.faces.DATETIMECONVERTER_DEFAULT_TIMEZONE_IS_SYSTEM_TIMEZONE</param-name>

        <param-value>true</param-value>

    </context-param>

    

    <context-param>

        <param-name>primefaces.PUSH_SERVER_URL</param-name>

        <param-value>http://www.primefaces.org:8080</param-value>

    </context-param>

    

    <listener>

        <listener-class>

            com.sun.faces.config.ConfigureListener

        </listener-class>

    </listener>

  

  <servlet>

    <servlet-name>Faces Servlet</servlet-name>

    <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>

    <load-on-startup>1</load-on-startup>

  </servlet>

  <servlet-mapping>

    <servlet-name>Faces Servlet</servlet-name>

    <url-pattern>*.jsf</url-pattern>

  </servlet-mapping>

  <welcome-file-list>

    <welcome-file>index.jsp</welcome-file>

  </welcome-file-list>

</web-app>

 
类库：

 
服务器是tomcat6.0