spring mvc datajpa整合时出现找不到类的情况，百度了很多都没有解决问题。

Question

用srping mvc和jpa写一个helloworld，没想到还跑不起来
不知道哪里出错了，可能是配置没做好，这里还请大家帮忙看看是什么没问题。
下面是我的代码：

这是个controller

 package com.ll.together.controller;

import com.ll.together.service.LoginBQqService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class HelloWorldController {

    @Autowired
    public LoginBQqService loginBq;
    @RequestMapping("/hello.htm")
    @ResponseBody
    public String hello() {
        loginBq.findAll();
        return "mysldks";
    }



}

下面是 LoginBQqService

 package com.ll.together.service;

import com.ll.together.entity.QqUser;
import org.springframework.data.repository.CrudRepository;

/**
 * Created by xiaolongren on 15/6/13.
 */
public interface LoginBQqService extends CrudRepository<QqUser,String> {
}
下面是applicationcontext.xml

<?xml version="1.0" encoding="UTF-8"?>
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:tx="http://www.springframework.org/schema/tx"
xmlns:task="http://www.springframework.org/schema/task"
xmlns:jpa="http://www.springframework.org/schema/data/jpa"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/task
http://www.springframework.org/schema/task/spring-task.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/data/jpa
http://www.springframework.org/schema/data/jpa/spring-jpa.xsd"
>
context:annotation-config/
class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">


class="org.springframework.orm.jpa.JpaTransactionManager">
ref="entityManagerFactory"/>


class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor">

class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor">


task:annotation-driven/

下面是dispatcher-servlet.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:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="
                            http://www.springframework.org/schema/beans
                            http://www.springframework.org/schema/beans/spring-beans.xsd
                            http://www.springframework.org/schema/context
                            http://www.springframework.org/schema/context/spring-context.xsd
                            http://www.springframework.org/schema/mvc
                            http://www.springframework.org/schema/mvc/spring-mvc.xsd"
        >

    <mvc:annotation-driven/>
    <context:annotation-config/>
    <context:component-scan base-package="com.ll.together"/>
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/page/"/>
        <property name="suffix" value=".jsp"/>
    </bean>


</beans>

下面是web.xl

 <?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd
         http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"

         version="3.1">
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/applicationContext.xml</param-value>
    </context-param>

    <servlet>
        <servlet-name>dispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>dispatcher</servlet-name>
        <url-pattern>*.htm</url-pattern>
    </servlet-mapping>
</web-app>

访问：http://localhost:8080/hello.htm报错
[2015-06-21 12:46:48,471] Artifact spingjpa:war exploded: Artifact is being deployed, please wait...
21-Jun-2015 12:46:50.950 INFO [RMI TCP Connection(2)-127.0.0.1] org.springframework.web.servlet.DispatcherServlet.initServletBean FrameworkServlet 'dispatcher': initialization started
21-Jun-2015 12:46:50.980 INFO [RMI TCP Connection(2)-127.0.0.1] org.springframework.web.context.support.XmlWebApplicationContext.prepareRefresh Refreshing WebApplicationContext for namespace 'dispatcher-servlet': startup date [Sun Jun 21 12:46:50 CST 2015]; root of context hierarchy
21-Jun-2015 12:46:51.026 INFO [RMI TCP Connection(2)-127.0.0.1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/dispatcher-servlet.xml]
21-Jun-2015 12:46:52.080 INFO [RMI TCP Connection(2)-127.0.0.1] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.registerHandlerMethod Mapped "{[/hello.htm],methods=[],params=[],headers=[],consumes=[],produces=[],custom=[]}" onto public java.lang.String com.ll.together.controller.HelloWorldController.hello()
21-Jun-2015 12:46:52.082 INFO [RMI TCP Connection(2)-127.0.0.1] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.registerHandlerMethod Mapped "{[/hh],methods=[],params=[],headers=[],consumes=[],produces=[],custom=[]}" onto public java.lang.String com.ll.together.controller.UserController.index()

java.lang.NoClassDefFoundError: org/springframework/data/repository/CrudRepository