Duvida estou mesclando em um sistema com Servlet colocando JSF ?erro java.lang.ClassNotFoundExcept

Front-end
#1

Olá,

tenho um sistema servlet e estou colocando novas funcionalidades com JSF.
Mas qdo chamo no navegador o contexto me da o erro abaixo???

usando

TOMCAT 5.5
java5
jsf 1.2
richfaces

abs



<filter>
    	<filter-name>security-firewall-filter</filter-name>
	    <filter-class>br.com.xxxxx.app.web.filter.SecurityFirewallFilter</filter-class>
	    <init-param>
			<param-name>loginPath</param-name>
			<param-value>/autenticar.jhtml?action=popular</param-value>
	     </init-param>
  	</filter>

  	<filter-mapping>
    	<filter-name>security-firewall-filter</filter-name>
    	<url-pattern>/*</url-pattern>
    	<dispatcher>REQUEST</dispatcher>
	</filter-mapping>
	
	
<!-- Define a skin do richfaces .Ha varias opcoes -->
  <context-param>
		<param-name>org.richfaces.SKIN</param-name>
		<param-value>deepMarine</param-value>
  </context-param>	
 
    <!-- Configurar onde salvar o estado dos componentes .O padrão  -->
 	<context-param>
		<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
		<param-value>server</param-value>
	</context-param>
	
	<!-- Configura o filtro obrigatorio Ajax4JSF -->
        <filter>
		<display-name>Ajax4jsf Filter</display-name>
		<filter-name>ajax4jsf</filter-name>
		<filter-class>org.ajax4jsf.Filter</filter-class>
	</filter>	
	
	<filter-mapping>
		<filter-name>ajax4jsf</filter-name>
		<servlet-name>Faces Servlet</servlet-name>
		<dispatcher>REQUEST</dispatcher>
		<dispatcher>FORWARD</dispatcher>
		<dispatcher>INCLUDE</dispatcher>
	</filter-mapping>
	
	<!-- Filtro -->
  <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>   
  
    <servlet-mapping>   
        <servlet-name>Faces Servlet</servlet-name>   
        <url-pattern>/faces/*</url-pattern>   
    </servlet-mapping>  
08/09/2009 14:47:42 org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter ajax4jsf
java.lang.ClassNotFoundException: org.ajax4jsf.Filter
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1362)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1208)
	at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:207)
	at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:302)
	at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:78)
	at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3635)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4222)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544)
	at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:825)
	at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:714)
	at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:490)
	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
	at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:736)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
	at org.apache.catalina.core.StandardService.start(StandardService.java:448)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)

[img]
richfaces-api-3.10-rc3
richfaces-impl-3.10
richfaces-ui.3.1.0-rc2

[/img]

#2

ta faltando lib ai pelo jeito ou o cmainho ta errado
ve se a lib do a4j ta importada no sue projeto

#3