Could not obtain transaction-synchronized Session for current thread异常解决办法

妖狐艹你老母 2022-03-02 09:40 489阅读 0赞

如题，使用hiernate5，在测试service层方法的时候报错，具体异常栈如下所示：

org.hibernate.HibernateException: Could not obtain transaction-synchronized Session for current thread
    at org.springframework.orm.hibernate5.SpringSessionContext.currentSession(SpringSessionContext.java:133)
    at org.hibernate.internal.SessionFactoryImpl.getCurrentSession(SessionFactoryImpl.java:464)
    at com.xxx.spring.hibernate.dao.impl.BaseDaoImpl.getSession(BaseDaoImpl.java:18)
    at com.xxx.spring.hibernate.dao.impl.BaseDaoImpl.findById(BaseDaoImpl.java:33)
    at com.xxx.spring.hibernate.service.AccountService.transfer(AccountService.java:14)
    at com.xxx.spring.hibernate.service.AccountService$$FastClassBySpringCGLIB$$4cba99bb.invoke(<generated>)
    at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
    at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
    at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282)
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673)
    at com.xxx.spring.hibernate.service.AccountService$$EnhancerBySpringCGLIB$$5ffd9fd2.transfer(<generated>)
    at com.xxx.spring.hibernate.AccountTest.testTransfer(AccountTest.java:28)

通过检查，这是由于使用了事务管理，但是事务管理的切点没有包含service层的方法。

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如图所示，将tx:advice中的注解打开，该问题就解决了。另外，如果开启了注解事务，配置文件中需要 这么配置：

<tx:annotation-driven transaction-manager="transactionManager"/>

在service类上，我们只需要通过加入注解@Transactional同样可以解决这个问题。

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