Problemas para usar o Tiles 2.2.2 no Spring 3.0

Pessoal, estou tendo dificuldades de implementar o Tiles 2.2.2 no Spring 3.0. Simplesmente não funcionou.
Este é o meu spring-context.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:p="http://www.springframework.org/schema/p"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/mvc 
						http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
	http://www.springframework.org/schema/beans 
	http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
	http://www.springframework.org/schema/context 
	http://www.springframework.org/schema/context/spring-context-3.0.xsd">

	<context:component-scan base-package="br.com.coldsoft.livros" />
	<mvc:annotation-driven />

	<mvc:resources location="/resources/" mapping="/resources/**"/>
	
	<mvc:default-servlet-handler/>

	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/WEB-INF/views/"/>
		<property name="suffix" value=".jsp"/>
	</bean>


	<mvc:interceptors>
		<bean class="br.com.coldsoft.livros.interceptor.AutorizadorInterceptor" />
	</mvc:interceptors>



	<bean id="viewResolver" class="org.springframework.web.servlet.view.ResourceBundleViewResolver" 
		p:basename="views" />
       		
	<bean id="tilesConfigurer" 
		class="org.springframework.web.servlet.view.tiles2.TilesConfigurer" 
		p:definitions="/WEB-INF/tiles-defs.xml" />  

</beans>

Porém quando rodo a aplicação os templates não são carregados. Alguém tem alguma dica?

O meu arquivo tiles-def.xml está assim:

[code]<?xml version="1.0" encoding="UTF-8"?>

<definition name="autor-lista" extends="layout">
	<put-attribute name="title" value="Autores"></put-attribute>
	<put-attribute name="body" value="/WEB-INF/views/autor/lista.jsp"></put-attribute>
</definition>

<definition name="autor-formulario" extends="layout">
	<put-attribute name="title" value="Autores"></put-attribute>
	<put-attribute name="body" value="/WEB-INF/views/autor/formulario.jsp"></put-attribute>
</definition>

<definition name="autor-mostra" extends="layout">
	<put-attribute name="title" value="Autores"></put-attribute>
	<put-attribute name="body" value="/WEB-INF/views/autor/mostra.jsp"></put-attribute>
</definition>
[/code]

Pessoal, esta aplicação que estou fazendo é com base no que aprendi no curso FJ-21. Alguém pode me ajudar a integrar o Tiles nela ???