Problemas com anotação spring 4 (Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException)

 ERRO
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userService': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.project.repository.UserRepository com.project.service.UserService.userRepository; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.project.repository.UserRepository] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}

<?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: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-4.0.xsd 
	http://www.springframework.org/schema/beans 
	http://www.springframework.org/schema/beans/spring-beans-4.0.xsd 
	http://www.springframework.org/schema/context 
	http://www.springframework.org/schema/context/spring-context-4.0.xsd"> 

<context:annotation-config/>
   <context:component-scan base-package="com.project.controller" />
   <context:component-scan base-package="com.project.model" />
   <context:component-scan base-package="com.project.repository" />
   <context:component-scan base-package="com.project.service" />
   
   
   <!-- Diz ao Spring que ele deve usar a configuração das annotations -->
	<mvc:annotation-driven /> 
	
	<!-- Define pagina inicial (ingnora a configuração do web.xml) -->
	<mvc:view-controller path="/" view-name="ola" /> 
	
   <!-- SpringMVC -->
    <import resource="spring-mvc.xml"/>
</beans>

<?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:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans 
       http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
       http://www.springframework.org/schema/mvc 
       http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
 
 
 
    <mvc:annotation-driven/>
    <mvc:default-servlet-handler/>

    <!-- Login Interceptor -->
    <mvc:interceptors>
        <mvc:interceptor>
            <mvc:mapping path="/protected/**"/>
            <bean class="com.project.interceptor.LoginInterceptor"/>
        </mvc:interceptor>
        <!-- workaround to fix IE8 problem -->
        <bean id="webContentInterceptor"
              class="org.springframework.web.servlet.mvc.WebContentInterceptor">
            <property name="cacheSeconds" value="0"/>
            <property name="useExpiresHeader" value="true"/>
            <property name="useCacheControlHeader" value="true"/>
            <property name="useCacheControlNoStore" value="true"/>
        </bean>
    </mvc:interceptors> 
 
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
                    <property name="prefix" value="/"/>
    </bean>
</beans>    

public class LoginInterceptor extends HandlerInterceptorAdapter {

    @Autowired
    private UserService userService;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession();

        User user = (User) session.getAttribute("user");
        if(user == null){
            Authentication auth = SecurityContextHolder.getContext().getAuthentication();
            String email = auth.getName();
            user = userService.findByEmail(email);
            session.setAttribute("user", user);
        }

        return super.preHandle(request, response, handler);
    }
}

@Service
public class UserService {

    @Autowired
    private UserRepository userRepository;

    public User findByEmail(String email){
        return userRepository.findByEmail(email);
    }
}