JSF + action automatico

<?xml version="1.0"?>
<web-app 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"
	version="2.5">
    <display-name>a4jEchoText</display-name>
    <context-param>
        <param-name>org.richfaces.SKIN</param-name>
        <param-value>classic</param-value>
    </context-param>
    <context-param>
        <param-name>javax.faces.STATE_SAVING_METHOD</param-name>
        <param-value>server</param-value>
    </context-param>
    <filter>
        <display-name>RichFaces Filter</display-name>
        <filter-name>richfaces</filter-name>
        <filter-class>org.ajax4jsf.Filter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>richfaces</filter-name>
        <servlet-name>Faces Servlet</servlet-name>
        <dispatcher>REQUEST</dispatcher>
        <dispatcher>FORWARD</dispatcher>
        <dispatcher>INCLUDE</dispatcher>
    </filter-mapping>
    <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>forward.jsp</welcome-file>
    </welcome-file-list>
</web-app>

Caused by: com.sun.rave.web.ui.appbase.ApplicationException: org.apache.jasper.JasperException: An exception occurred processing JSP page /Page2.jsp at line 10

7: <jsp:root version="2.1" xmlns:a4j="https://ajax4jsf.dev.java.net/ajax" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html"
8:     xmlns:jsp="http://java.sun.com/JSP/Page" xmlns:webuijsf="http://www.sun.com/webui/webuijsf">
9:     <jsp:directive.page contentType="text/html;charset=UTF-8" pageEncoding="UTF-8"/>
10:     <a4j:poll action="#{Page2.btAtualizar_action}" reRender="tablePosicoes" interval="10000"/>
11:     <f:view>
12:         <webuijsf:page id="page1">
13:             <webuijsf:html id="html1" lang="">


java.lang.ClassCastException: org.ajax4jsf.component.AjaxViewRoot cannot be cast to org.ajax4jsf.component.html.AjaxPoll
        at org.ajax4jsf.taglib.html.jsp.AjaxPollTag.setProperties(AjaxPollTag.java:368)
        at javax.faces.webapp.UIComponentClassicTagBase.findComponent(UIComponentClassicTagBase.java:604)
        at javax.faces.webapp.UIComponentClassicTagBase.doStartTag(UIComponentClassicTagBase.java:1126)
        at org.apache.jsp.Page2_jsp._jspx_meth_a4j_005fpoll_005f0(Page2_jsp.java:176)
        at org.apache.jsp.Page2_jsp._jspService(Page2_jsp.java:144)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:630)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)

<%@ taglib uri="http://richfaces.org/a4j" prefix="a4j"%>
<%@ taglib uri="http://richfaces.org/rich" prefix="rich"%>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>

Exception Details:  java.lang.ClassCastException
  org.ajax4jsf.component.AjaxViewRoot cannot be cast to org.ajax4jsf.component.html.AjaxPoll

<?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">
    <display-name>My First JSF Application</display-name>
    <context-param>
        <param-name>javax.faces.STATE_SAVING_METHOD</param-name>
        <param-value>client</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>com.sun.faces.verifyObjects</param-name>
        <param-value>false</param-value>
    </context-param>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/applicationContext.xml</param-value>
    </context-param>
    <filter>
        <filter-name>UploadFilter</filter-name>
        <filter-class>com.sun.webui.jsf.util.UploadFilter</filter-class>
        <init-param>
            <description>The maximum allowed upload size in bytes.  If this is set to a negative value, there is no maximum.  The default value is 1000000.</description>
            <param-name>maxSize</param-name>
            <param-value>1000000</param-value>
        </init-param>
        <init-param>
            <description>The size (in bytes) of an uploaded file which, if it is exceeded, will cause the file to be written directly to disk instead of stored in memory.  Files smaller than or equal to this size will be stored in memory.  The default value is 4096.</description>
            <param-name>sizeThreshold</param-name>
            <param-value>4096</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>UploadFilter</filter-name>
        <servlet-name>Faces Servlet</servlet-name>
    </filter-mapping>

    <filter>
        <filter-name>MyFacesExtensionsFilter</filter-name>
        <filter-class>org.apache.myfaces.webapp.filter.ExtensionsFilter</filter-class>
    </filter>

<!-- extension mapping for adding <script/>, <link/>, and other resource tags to JSF-pages  -->
    <filter-mapping>
        <filter-name>MyFacesExtensionsFilter</filter-name>
    <!-- servlet-name must match the name of your javax.faces.webapp.FacesServlet entry -->
        <servlet-name>Faces Servlet</servlet-name>
    </filter-mapping>

<!-- extension mapping for serving page-independent resources (javascript, stylesheets, images, etc.)  -->
    <filter-mapping>
        <filter-name>MyFacesExtensionsFilter</filter-name>
        <url-pattern>/faces/myFacesExtensionResource/*</url-pattern>
    </filter-mapping>



    <filter>
        <display-name>RichFaces Filter</display-name>
        <filter-name>richfaces</filter-name>
        <filter-class>org.ajax4jsf.Filter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>richfaces</filter-name>
        <servlet-name>Faces Servlet</servlet-name>
        <dispatcher>REQUEST</dispatcher>
        <dispatcher>FORWARD</dispatcher>
        <dispatcher>INCLUDE</dispatcher>
    </filter-mapping>


    <listener>
        <description>Inicia o spring com a aplicacao</description>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <listener>
        <description>Permite o spring controlar as sessoes
e requisicoes dos beans declarados no
applicatonContext.xml
        </description>
        <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
    </listener>
    <servlet>
        <servlet-name>Faces Servlet</servlet-name>
        <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
        <init-param>
            <param-name>javax.faces.LIFECYCLE_ID</param-name>
            <param-value>com.sun.faces.lifecycle.PARTIAL</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet>
        <servlet-name>ExceptionHandlerServlet</servlet-name>
        <servlet-class>com.sun.errorhandler.ExceptionHandler</servlet-class>
        <init-param>
            <param-name>errorHost</param-name>
            <param-value>localhost</param-value>
        </init-param>
        <init-param>
            <param-name>errorPort</param-name>
            <param-value>24444</param-value>
        </init-param>
    </servlet>
    <servlet>
        <servlet-name>ThemeServlet</servlet-name>
        <servlet-class>com.sun.webui.theme.ThemeServlet</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>*.faces</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>ExceptionHandlerServlet</servlet-name>
        <url-pattern>/error/ExceptionHandler</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>ThemeServlet</servlet-name>
        <url-pattern>/theme/*</url-pattern>
    </servlet-mapping>
    <session-config>
        <session-timeout>
            30
        </session-timeout>
    </session-config>
    <welcome-file-list>
        <welcome-file>forwardToJSF.jsp</welcome-file>
    </welcome-file-list>
    <error-page>
        <exception-type>javax.servlet.ServletException</exception-type>
        <location>/error/ExceptionHandler</location>
    </error-page>
    <error-page>
        <exception-type>java.io.IOException</exception-type>
        <location>/error/ExceptionHandler</location>
    </error-page>
    <error-page>
        <exception-type>javax.faces.FacesException</exception-type>
        <location>/error/ExceptionHandler</location>
    </error-page>
    <error-page>
        <exception-type>com.sun.rave.web.ui.appbase.ApplicationException</exception-type>
        <location>/error/ExceptionHandler</location>
    </error-page>
    <jsp-config>
        <jsp-property-group>
            <url-pattern>*.jspf</url-pattern>
            <is-xml>true</is-xml>
        </jsp-property-group>
    </jsp-config>
</web-app>