求助！spring3.0 mvc整合hibernate jpa配置问题

Question

大家能不能帮我看看，我哪里配错了，我刚刚开始学习这些内容：
web.xml:<?xml version="1.0" encoding="UTF-8"?><web-app  
id="WebApp_ID"  version="2.4" 

xmlns="http://java.sun.com/xml/ns/j2ee" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_4.xsd"  
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee 
    http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> 
    
    <context-param>       
     <param-name>contextConfigLocation</param-name>    
      <param-value>classpath:applicationContext.xml</param-value>    
   </context-param>  
  <listener>  
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>  
    </listener>
<!-- JPA过滤器组件 -->
<filter>
<filter-name>OpenEntityManagerInViewFilter</filter-name>
<filter-class>
org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>OpenEntityManagerInViewFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

     <servlet> 
        <servlet-name>users</servlet-name> 
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> 
        <load-on-startup>1</load-on-startup> 
    </servlet>     
    <servlet-mapping> 
        <servlet-name>users</servlet-name> 
        <url-pattern>/</url-pattern> 
    </servlet-mapping> 

  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>
applicationContext.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:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx 
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/context 
http://www.springframework.org/schema/context/spring-context-3.0.xsd
"> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver" ></property>
<property name="url" value="jdbc:mysql://localhost:3306/dzb"></property>
<property name="username" value="root"></property>
<property name="password" value="dzb1"></property>
</bean>


<bean id="entityManagerFactory"
    class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
    <property name="dataSource" ref="dataSource"></property>
    <property name="persistenceXmlLocation" value="classpath:META-INF/persistence.xml"/>
    <property name="persistenceUnitName" value="usersEntity" />
</bean>
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
    <property name="entityManagerFactory">
    <ref bean="entityManagerFactory"/>
    </property> 
</bean>
<tx:annotation-driven transaction-manager="transactionManager"/>
</beans>
users-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:aop="http://www.springframework.org/schema/aop"
xmlns:jee="http://www.springframework.org/schema/jee"
xmlns:lang="http://www.springframework.org/schema/lang"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:util="http://www.springframework.org/schema/util" 
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation=" 
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
http://www.springframework.org/schema/tx 
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd 
http://www.springframework.org/schema/aop 
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd"> <bean
class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" />
<bean
class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
<bean 
class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor"/>

<context:component-scan base-package="controller" />
<context:component-scan base-package="model.dao" />
<context:component-scan base-package="model.entity" />
<context:component-scan base-package="model.service" /></beans> 
persistence.xml
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
    http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"
     version="1.0">
    
<persistence-unit name="usersEntity" transaction-type="RESOURCE_LOCAL">

<provider>org.hibernate.ejb.HibernatePersistence</provider>
<class>model.entity.usersEntity</class>
<properties>
<property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect" />
<property name="hibernate.connection.autocommit" value="true" />
</properties>
</persistence-unit>
</persistence>来大神帮帮我啊！！新人求指导....

Answer 1

老是会报：usersEntity is not mapped [from usersEntity as u where u.username like ?]
这样子的错误，崩溃

Answer 2

from usersEntity as u where u.username like ?  这个是个HQL语句？

Answer 3

是这个usersEntity is not mapped，不知道是哪里配错了晕死