ERRO AJAX4jsf

Pessoal quando eu coloco os Filter do Ajax4jsf no web.xml, o meu projeto não compila…quando eu tiro funciona sabem sabe porque isso acontece ?

[code]<?xml version=“1.0” encoding=“UTF-8”?>
<web-app version=“2.5” xmlns=“http://java.sun.com/xml/ns/javaee” xmlns:xsi=“http://www.w3.org/2001/XMLSchema-instance” 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>com.sun.faces.verifyObjects</param-name>
<param-value>false</param-value>
</context-param>
<context-param>
<param-name>com.sun.faces.validateXml</param-name>
<param-value>true</param-value>
</context-param>
<context-param>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>client</param-value>
</context-param>
<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>/faces/*</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>

<!–Ajax4jsf–>

&lt;context-param&gt;
    &lt;param-name&gt;org.ajax4jsf.SKIN&lt;/param-name&gt;
    &lt;param-value&gt;default&lt;/param-value&gt;
&lt;/context-param&gt;
&lt;filter&gt;
    &lt;display-name&gt;Ajax4jsf Filter&lt;/display-name&gt;
    &lt;filter-name&gt;ajax4jsf&lt;/filter-name&gt;
    &lt;filter-class&gt;org.ajax4jsf.Filter&lt;/filter-class&gt;
&lt;/filter&gt;
&lt;filter-mapping&gt;
    &lt;filter-name&gt;ajax4jsf&lt;/filter-name&gt;
    &lt;servlet-name&gt;Faces Servlet&lt;/servlet-name&gt;
    &lt;dispatcher&gt;REQUEST&lt;/dispatcher&gt;
    &lt;dispatcher&gt;FORWARD&lt;/dispatcher&gt;
    &lt;dispatcher&gt;INCLUDE&lt;/dispatcher&gt;
&lt;/filter-mapping&gt;

</web-app>[/code]

Erro que ocorre:

type Status report

message /SimCartImpl/

description The requested resource (/SimCartImpl/) is not available.

o que faz o dispatcher?
tenta retira-lo