Spring MVC+Spring +Hibernate配置事务，但是事务不起作用

最近做项目，被一个问题烦恼了很久。使用Spring MVC+Spring +Hibernate开发项目，在使用注解配置事务管理，刚开始发现无论如何数据库都无法更新，但是可以从数据库查询到数据。怀疑是配置文件的问题，但是反复确认，配置文件没有问题。后来将注解配置事务变更为注解配置事务，同样无法入库。

后来在dao层方法里面添加了session.flush()数据可以入库，但是不能回滚。正常的情况下，配置事务成功的话，事务会自动提交，session会自动flush。于是怀疑配置的事务根本就没有起到作用。在网上查找资料，终于发现问题症结所在。

引起问题原因：spring初始化时优先component-scan bean,注入Web Controller 的Service直接拿了上下文中的@Service("someService"),这个时候@Transactional (readOnly=false, isolation = Isolation.READ_COMMITTED) 还没有被处理.所以Web Controller 的Service是SomeServiceImpl而不是AOP的$ProxyNO.

解决途径：不让spring扫描到ServiceImpl类,直接写在xml文件,其它的配置和annotation照用,这样事务就起作用了.

按照上述配置，发现事务起作用了，自动提交，并且在出现异常的时候自动回滚。

工程具体配置：

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"><display-name>SMS</display-name><context-param><param-name>contextConfigLocation</param-name><param-value>classpath*:school-spring-*.xml</param-value></context-param><listener><!-- 负责加载spring的配置文件 --><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><!-- 直接使用spring的encodingFilter--><filter><filter-name>encodingFilter</filter-name><filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class><init-param><param-name>encoding</param-name><param-value>UTF-8</param-value></init-param><init-param><param-name>forceEncoding</param-name><param-value>true</param-value></init-param></filter><filter-mapping><filter-name>encodingFilter</filter-name><url-pattern>*</url-pattern></filter-mapping><!-- 集成使用Spring MVC --><servlet><servlet-name>defaultDispatcher</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><!-- Spring XML 文件 --><param-value>classpath*:school-springmvc.xml</param-value></init-param><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>defaultDispatcher</servlet-name><url-pattern>/school/*</url-pattern></servlet-mapping><!-- 验证码生成 --><servlet><servlet-name>image_code</servlet-name><servlet-class>cn.com.yinuo.common.web.util.RandomCode</servlet-class></servlet><servlet-mapping><servlet-name>image_code</servlet-name><url-pattern>/imgCode</url-pattern></servlet-mapping><!-- 解决hibernate延迟加载问题 --><!-- <filter><filter-name>openSession</filter-name><filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class></filter><filter-mapping><filter-name>openSession</filter-name><url-pattern>/*</url-pattern></filter-mapping>--><!-- session超时定义,单位为分钟 --><session-config><session-timeout>30</session-timeout></session-config><!-- 欢迎界面 --><welcome-file-list><welcome-file>index.jsp</welcome-file></welcome-file-list>
</web-app>

web.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:aop="http://www.springframework.org/schema/aop"xmlns:jee="http://www.springframework.org/schema/jee"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsdhttp://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsdhttp://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.2.xsd"><!-- Spring管理配置文件 --><bean id="propertyConfigurer"class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"><property name="locations"><list><value>classpath*:school_config.properties</value></list></property><!-- 可注入中文 --><property name="fileEncoding" value="UTF-8"/></bean><!-- 注解扫描包  会扫描school包下面所有的类文件以及包  待确认--><context:component-scan base-package="cn.com.yinuo.school"><context:exclude-filter type="regex" expression="cn.com.yinuo.*.web.*"/><context:exclude-filter type="regex" expression=".*ServiceImpl$" /></context:component-scan><!-- 配置multipartResolver处理器 --><bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"><property name="defaultEncoding" value="utf-8" /><property name="maxUploadSize" value="10485760000" /><property name="maxInMemorySize" value="40960" /></bean><bean name="informationService" class="cn.com.yinuo.school.InformationMaintenance.biz.service.impl.InformationServiceImpl"></bean>
</beans>

school-spring-core.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:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"xmlns:aop="http://www.springframework.org/schema/aop"xmlns:jee="http://www.springframework.org/schema/jee"xmlns:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsdhttp://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsdhttp://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsdhttp://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.2.xsdhttp://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd"><!-- 注解扫描包  会扫描school包下面所有的类文件以及包  待确认--><context:component-scan base-package="cn.com.yinuo.school"><!-- <context:include-filter type="regex" expression="cn.com.yinuo.*.web.*"/> --></context:component-scan><!-- 开启注解 --><mvc:annotation-driven/><!-- 上面开启注解的方式是下面开启注解方式的优化，下面的方式在3之后就过时了 --><!--  <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" /><bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"></bean>--><!-- 访问静态资源   --><mvc:resources location="/js/" mapping="/js/**"/><mvc:resources location="/img/" mapping="/img/**"/><mvc:resources location="/css/" mapping="/css/**"/><bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"><property name="prefix" value="/"></property><property name="suffix" value=".jsp"></property></bean>
</beans>

school-springmvc.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:aop="http://www.springframework.org/schema/aop"xmlns:jee="http://www.springframework.org/schema/jee"xmlns:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsdhttp://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsdhttp://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.2.xsdhttp://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd"><!-- Spring管理 Hibernate --><!-- 配置DataSource --><bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"><property name="driverClassName" value="${jdbc.driverClassName}"/><property name="url" value="${jdbc.url}"/><property name="username" value="${jdbc.username}"/><property name="password" value="${jdbc.password}"/><property name="initialSize" value="${initialSize}"/><property name="maxActive" value="${maxActive}"/><property name="maxIdle" value="${maxIdle}"/><property name="minIdle" value="${minIdle}"/></bean><bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean"><property name="dataSource" ref="dataSource"/><property name="packagesToScan"><list><value>cn.com.yinuo.school.model.domain</value></list></property><property name="mappingResources"><list><value>../resources/${resource.mapping.sql}</value></list></property><property name="hibernateProperties"><props><prop key="hibernate.dialect">${hibernate.dialect}</prop><prop key="hibernate.show_sql">${hibernate.show_sql}</prop><prop key="hibernate.generate_statistics">${hibernate.generate_statistics}</prop><prop key="hibernate.format_sql">${hibernate.format_sql}</prop><prop key="hibernate.use_sql_comments">${hibernate.use_sql_comments}</prop><prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop><!-- <prop key="hibernate.connection.autocommit">${hibernate.connection.autocommit}</prop>-->  <prop key="hibernate.cache.provider_class">org.hibernate.cache.HashtableCacheProvider</prop><prop key="hibernate.cache.use_second_level_cache">true</prop><prop key="Hibernate.current_session_context_class">thread</prop><prop key="hibernate.cache.use_query_cache">false</prop><prop key="hibernate.connection.release_mode">after_transaction</prop></props></property></bean><bean id="transactionManager"class="org.springframework.orm.hibernate3.HibernateTransactionManager"><property name="sessionFactory" ref="sessionFactory"/></bean><context:annotation-config/><aop:aspectj-autoproxy proxy-target-class="true"/> <aop:config proxy-target-class="true">  </aop:config> <!--  注解配置事务--><tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true" /><!-- <tx:advice id="txAdvice" transaction-manager="transactionManager"><tx:attributes><tx:method name="add*" propagation="REQUIRED" read-only="false" rollback-for="Exception" /><tx:method name="update*" propagation="REQUIRED" read-only="false"/><tx:method name="insert*" propagation="REQUIRED" read-only="false"/><tx:method name="modify*" propagation="REQUIRED" read-only="false"/><tx:method name="delete*" propagation="REQUIRED" read-only="false"/><tx:method name="get*" propagation="REQUIRED" /><tx:method name="save*" propagation="REQUIRED" read-only="false"/></tx:attributes></tx:advice><aop:config><aop:pointcut id="interceptorPointCuts"expression="execution(* cn.com.yinuo.school.InformationMaintenance.biz.service.impl.InformationServiceImpl.*(..))" /><aop:advisor advice-ref="txAdvice"pointcut-ref="interceptorPointCuts" />       </aop:config>      -->
</beans>

school-spring-hibernate.xml

package cn.com.yinuo.school.InformationMaintenance.web;import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import net.sf.json.JSONObject;import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;import cn.com.yinuo.school.InformationMaintenance.biz.service.InformationService;
import cn.com.yinuo.school.model.domain.Student;
import cn.com.yinuo.school.util.Json;@Controller
@RequestMapping("/information")
public class InformationController {@Autowiredprivate InformationService informationService;private static Logger logger=Logger.getLogger(InformationController.class);@RequestMapping("/toRegister")public String toRegister(){return "JSP/imformation/register";}@RequestMapping("/addUser")public Json addUser(HttpServletRequest request,HttpServletResponse response){Student student=new Student();student.setName("阿享");student.setClassId("001001");student.setCreditId("4365671235678931");student.setMailBox("591137758@qq.com");student.setGender(0);student.setPassword("janeyloveachris");student.setType(1);informationService.addUser(student);Json json=new Json();json.setSuccess(true);json.setMsg("新增成功");response.setCharacterEncoding("UTF-8");response.setContentType("application/json; charset=utf-8");PrintWriter pw=null;JSONObject jsonObject =JSONObject.fromObject(json);try {pw=response.getWriter();pw.append(jsonObject.toString());logger.debug("返回到前台的对象是"+jsonObject.toString());} catch (IOException e) {e.printStackTrace();}finally{if(pw!=null){pw.close();}}return null;}
}

InformationController.java

package cn.com.yinuo.school.InformationMaintenance.biz.service.impl;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;import cn.com.yinuo.school.InformationMaintenance.biz.dao.InformationDao;
import cn.com.yinuo.school.InformationMaintenance.biz.service.InformationService;@Transactional
@Service
public class InformationServiceImpl implements InformationService {@Autowiredprivate InformationDao informationDao;@Transactional(propagation=Propagation.REQUIRED,rollbackFor=java.lang.Exception.class,readOnly=false)@Overridepublic void addUser(Object object) {informationDao.addUser(object);}@Overridepublic Object getAllUsers() {return informationDao.getAllUsers();}}

InformationServiceImpl.java

package cn.com.yinuo.school.InformationMaintenance.biz.dao.impl;import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;import cn.com.yinuo.school.InformationMaintenance.biz.dao.InformationDao;
import cn.com.yinuo.school.model.domain.Student;
import cn.com.yinuo.school.model.domain.Teacher;@Repository
public class InformationDaoImpl /*extends HibernateDaoSupport */implements InformationDao {@Autowiredprivate SessionFactory sessionFactory;private Logger logger=LoggerFactory.getLogger(InformationDaoImpl.class);@Overridepublic void addUser(Object object) {/*Session session=sessionFactory.openSession();Transaction tc=session.beginTransaction();*/Session session=sessionFactory.getCurrentSession();//tc.begin();if(object instanceof Student){//getHibernateTemplate().save((Student)object);//sessionFactory.getCurrentSession().save((Student)object);
            session.saveOrUpdate((Student)object);}else if(object instanceof Teacher){//getHibernateTemplate().save((Teacher)object);
            session.save((Teacher)object);}//tc.commit();//session.flush();System.out.println((1/0));}
@Overridepublic Object getAllUsers() {//super.getHibernateTemplate().find("");Student st=new Student();Query query=sessionFactory.openSession().createQuery("from "+st.getClass().getName());logger.debug(query.getQueryString());return query.list();}}

InformationDaoImpl.java

后来师父找到了我的问题所在：在springmvc.xml在扫描包的时候缺少了：use-default-filters="false"

<context:component-scan base-package="cn.com.yinuo.school" use-default-filters="false" ><context:include-filter type="regex" expression="cn.com.yinuo.*.web.*Controller$"/> </context:component-scan>

添加之后，去掉spring-core.xml中的

<context:component-scan base-package="cn.com.yinuo.school"><context:exclude-filter type="regex" expression="cn.com.yinuo.*.web.*Controller$"/><!-- <context:exclude-filter type="regex" expression=".*ServiceImpl$" /> --></context:component-scan>

以及service的配置执行发现事务同样起到作用了。

去掉我的其他配置，同时不加use-default-filters="false"，会报错 session没有绑定。

师父参照的博客文章地址：http://blog.csdn.net/shuwei003/article/details/7281792

转载于:https://www.cnblogs.com/loveyixiang/p/4446615.html

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