Icefaces - help

Olá…pessoal estou utilizando icefaces 1.7.2 sp1, JBOSS 5.0, eclipse 3.4…
estou tentando fazer uma página bem simples de login pra entender funciona.
Tenho a classe Login

package br.inf.teorema.webclient.controller;

public class Login{

   private String userName;
   private String password;
   private String input;
   private String output;

   public Login(){

   }

   public void action(){
      // PitagorasManager.getInstance().login();
      this.output = "Seja bem vindo: " + userName;
   }

   public String getInput(){
      return input;
   }

   public void setInput(String input){
      this.input = input;
   }

   public String getOutput(){
      return output;
   }

   public void setOutput(String output){
      this.output = output;
   }

   public String getUserName(){
      return userName;
   }

   public void setUserName(String userName){
      this.userName = userName;
   }

   public String getPassword(){
      return password;
   }

   public void setPassword(String password){
      this.password = password;
   }

}

o cod da pág. ta assim:

<?xml version="1.0" encoding="UTF-8" ?>
<jsp:root version="1.2" xmlns:jsp="http://java.sun.com/JSP/Page"
	xmlns:f="http://java.sun.com/jsf/core"
	xmlns:h="http://java.sun.com/jsf/html"
	xmlns:ice="http://www.icesoft.com/icefaces/component">
	<jsp:directive.page contentType="text/html;charset=UTF-8"
		pageEncoding="UTF-8" />
	<f:view>
		<ice:outputDeclaration doctypeRoot="HTML"
			doctypePublic="-//W3C//DTD HTML 4.01 Transitional//EN"
			doctypeSystem="http://www.w3.org/TR/html4/loose.dtd" />
		<html>
		<head>
		<title><ice:outputText value="ICEfaces, Ajax for Java EE" /></title>
		<ice:outputStyle href="./xmlhttp/css/xp/xp.css" />
		</head>
		<ice:outputText value="Login" />
		<body>
		<ice:panelGrid
			style="height: 250px; border-bottom-style: groove; border-top-style: groove; border-left-color: #1E90FF; border-top-color: #1E90FF; border-right-color: #1E90FF; border-left-style: groove; border-right-style: groove; border-bottom-color: #1E90FF; color: Blue; width: 193px">

			<ice:form style="height: 64px">
				<ice:outputLabel for="user" value="Usuário: "></ice:outputLabel>
				<ice:inputText id="user" binding="#{login.userName}" required="true" style="width: 158px"></ice:inputText>
			</ice:form>

			<ice:form style="height: 66px">
				<ice:outputLabel for="pwd" value="Senha: " />
				<ice:inputSecret id="pwd" binding="#{login.password}" required="true"></ice:inputSecret>
				
			</ice:form>
			
			<ice:commandButton value="Efetuar Login" actionListener="#{login.action}" style="color: Black; width: 149px" type="submit">
		
			<h:outputText value="#{login.output}" /> </ice:commandButton>
		</ice:panelGrid>

		</body>
		</html>
	</f:view>
</jsp:root>

e o faces-config.xml esta assim:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE faces-config PUBLIC "-//Sun Microsystems, Inc.//DTD JavaServer Faces Config 1.1//EN"
                              "http://java.sun.com/dtd/web-facesconfig_1_1.dtd">
<faces-config>
 <managed-bean>
  <managed-bean-name>login</managed-bean-name>
  <managed-bean-class>br.inf.teorema.webclient.controller.Login</managed-bean-class>
  <managed-bean-scope>session</managed-bean-scope>
 </managed-bean>
</faces-config>

na hr de subir o sv acusa o seguinte erro:

10:25:41,602 ERROR [[/teorema]] Exception thrown by attributes event listener
java.lang.ClassCastException: com.sun.faces.application.ApplicationAssociate cannot be cast to com.sun.faces.application.ApplicationAssociate
	at com.sun.faces.application.ApplicationAssociate.getInstance(ApplicationAssociate.java:197)
	at com.sun.faces.application.WebappLifecycleListener.getAssociate(WebappLifecycleListener.java:333)
	at com.sun.faces.application.WebappLifecycleListener.handleAttributeEvent(WebappLifecycleListener.java:260)
	at com.sun.faces.application.WebappLifecycleListener.attributeRemoved(WebappLifecycleListener.java:225)
	at com.sun.faces.config.ConfigureListener.attributeRemoved(ConfigureListener.java:355)
	at org.apache.catalina.core.ApplicationContext.removeAttribute(ApplicationContext.java:706)
	at org.apache.catalina.core.ApplicationContextFacade.removeAttribute(ApplicationContextFacade.java:344)
	at com.sun.faces.config.WebConfiguration.clear(WebConfiguration.java:282)
	at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:162)
	at org.jboss.web.jsf.integration.config.JBossJSFConfigureListener.contextInitialized(JBossJSFConfigureListener.java:75)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3910)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4393)
	at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeployInternal(TomcatDeployment.java:367)
	at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeploy(TomcatDeployment.java:146)
	at org.jboss.web.deployers.AbstractWarDeployment.start(AbstractWarDeployment.java:460)
	at org.jboss.web.deployers.WebModule.startModule(WebModule.java:118)
	at org.jboss.web.deployers.WebModule.start(WebModule.java:96)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)
	at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)
	at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
	at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
	at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)
	at org.jboss.system.microcontainer.ServiceProxy.invoke(ServiceProxy.java:206)
	at $Proxy36.start(Unknown Source)
	at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:42)
	at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:37)
	at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62)
	at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71)
	at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51)
	at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)
	at org.jboss.system.microcontainer.ServiceControllerContext.install(ServiceControllerContext.java:286)
	at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598)
	at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
	at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)
	at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)
	at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)
	at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)
	at org.jboss.system.ServiceController.doChange(ServiceController.java:688)
	at org.jboss.system.ServiceController.start(ServiceController.java:460)
	at org.jboss.system.deployers.ServiceDeployer.start(ServiceDeployer.java:146)
	at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:104)
	at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:45)
	at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:62)
	at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:50)
	at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:171)
	at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1439)
	at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1157)
	at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1178)
	at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1210)
	at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1098)
	at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)
	at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598)
	at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
	at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)
	at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)
	at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)
	at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)
	at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:781)
	at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:545)
	at org.jboss.system.server.profileservice.ProfileServiceBootstrap.loadProfile(ProfileServiceBootstrap.java:304)
	at org.jboss.system.server.profileservice.ProfileServiceBootstrap.start(ProfileServiceBootstrap.java:205)
	at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:405)
	at org.jboss.Main.boot(Main.java:209)
	at org.jboss.Main$1.run(Main.java:547)
	at java.lang.Thread.run(Thread.java:619)

será que alguém pode dar uma força?