Duvida Spring ...iniciante ...dando erro Error configuring application listener of class com.sun.fac

16:40:08,922 ERROR [[/teste_spring]] Error configuring application listener of class com.sun.faces.config.ConfigureListener
java.lang.ClassNotFoundException: com.sun.faces.config.ConfigureListener
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1332)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1181)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3617)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4104)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
	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.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.java:503)
	at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:150)
	at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
	at org.apache.catalina.core.StandardContext.init(StandardContext.java:5005)

<!-- Inicializa os beans com anotacoes: @Component, @Service e @Controller -->
	<context:component-scan
		base-package="br.com.teste.spring" />

	<!-- Processa as anotacoes: @Scope, @Autowired, @Required e @PersistenceContext-->
	<context:annotation-config />

	<!-- Interpretador de anotacoes @Transactional -->
	<tx:annotation-driven transaction-manager="txManager" />

	<!-- Carrega propriedades do arquivo 'database.properties' -->
	<context:property-placeholder
		location="/WEB-INF/database.properties" />

	<!-- Gerenciador de transacoes Spring baseado em JPA -->
	<bean id="txManager"
		class="org.springframework.orm.jpa.JpaTransactionManager">
		<property name="entityManagerFactory"
			ref="entityManagerFactory" />
	</bean>

	<!-- Fabrica de EntityManager do JPA para persistencia -->
	<bean id="entityManagerFactory"
		class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
		<property name="dataSource" ref="myDataSource" />
		<property name="jpaVendorAdapter">
			<bean
				class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
				<property name="showSql" value="${jpa.show.sql}" />
				<property name="generateDdl"
					value="${jpa.generate.ddl}" />
				<property name="database" value="${jpa.database}" />
			</bean>
		</property>
		<property name="jpaProperties">
			<props>
				<prop key="hibernate.dialect">${jpa.dialect}</prop>
			</props>
		</property>
	</bean>

	<!-- Datasource JDBC para o banco de dados -->
	<bean id="myDataSource"
		class="org.springframework.jdbc.datasource.DriverManagerDataSource"
		destroy-method="close">
		<property name="driverClassName" value="${db.driverClassName}" />
		<property name="url" value="${db.url}" />
		<property name="username" value="${db.username}" />
		<property name="password" value="${db.password}" />
	</bean>