解决问题 Could not obtain transaction-synchronized Session for current thread

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解决问题 Could not obtain transaction-synchronized Session for current thread

问题现象

在使用Hibernate的项目中，在一个定时任务中，执行某段代码，满足条件后，更新表数据。

程序在执行到更新表数据的时候，报错如下：

Could not obtain transaction-synchronized Session for current thread

解决方案

在 spring-config.xml 配置事务 切入点 和 切入方法

    <!-- 配置事务管理 -->
    <bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory" />
    </bean>
    
    <!-- 指定使用cglib -->
     <aop:aspectj-autoproxy proxy-target-class="true" />
    <!-- 配置事务的传播特性 -->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="dispose*" propagation="REQUIRED" />
        </tx:attributes>
    </tx:advice>

    <!-- 配置事务的切入点 -->
    <aop:config>
        <aop:pointcut id="targetMethodSchedule" expression="execution(* com.miracle.luna.mock.schedule.*.*(..))" />
        <aop:advisor advice-ref="txAdvice" pointcut-ref="targetMethodSchedule" />
    </aop:config>

[说明]

1、<tx:method name="dispose*" propagation="REQUIRED" /> 表示对dispose 开头的方法有效

2、<aop:pointcut id="targetMethodSchedule" expression="execution(* com.miracle.luna.mock.schedule.*.*(..))" /> 可以模糊匹配 schedule 目录下的多个服务层

注意此处，不管schedule目录下下有没有细分 service 和 impl层，必须是 schedule.*.*(..)) ，否则会报如下错误。

Caused by: java.lang.IllegalArgumentException: warning no match for this type name: com.miracle.luna.mock.schedule [Xlint:invalidAbsoluteTypeName]
    at org.aspectj.weaver.tools.PointcutParser.parsePointcutExpression(PointcutParser.java:315)
    at org.springframework.aop.aspectj.AspectJExpressionPointcut.buildPointcutExpression(AspectJExpressionPointcut.java:217)
    at org.springframework.aop.aspectj.AspectJExpressionPointcut.checkReadyToMatch(AspectJExpressionPointcut.java:190)
    at org.springframework.aop.aspectj.AspectJExpressionPointcut.getClassFilter(AspectJExpressionPointcut.java:169)
    at org.springframework.aop.support.AopUtils.canApply(AopUtils.java:220)
    at org.springframework.aop.support.AopUtils.canApply(AopUtils.java:279)
    at org.springframework.aop.support.AopUtils.findAdvisorsThatCanApply(AopUtils.java:311)
    at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findAdvisorsThatCanApply(AbstractAdvisorAutoProxyCreator.java:119)
    at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findEligibleAdvisors(AbstractAdvisorAutoProxyCreator.java:89)
    at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.getAdvicesAndAdvisorsForBean(AbstractAdvisorAutoProxyCreator.java:70)
    at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:346)
    at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:298)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:423)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1633)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)
    ... 149 more

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