Hibernate Spring 事务性没有正在进行的事务

Question

我正在尝试让休眠与 spring 托管事务一起工作。无论我做什么，我总是得到 'no transaction is in progress' 异常。我唯一不明白的是：

如果我不在 @Transactional 方法中调用 sessionFactory.getCurrentSession()，一切正常，我可以看到 HibernateTransactionManager 事务生命周期方法被调用 - doGetTransaction(...), doCommit(...) 等。并且不会抛出任何错误。

当我在我的方法中添加 sessionFactory.getCurrentSession() 时，我仍然看到 doGetTransaction()（很明显），但是一旦调用 getCurrentSession() 我就开始看到 doRollback()最后我得到 'no transaction is in progress' 异常。我已经花了一整天的时间，希望有人能帮忙。尝试更改事务范围、xml 配置，基本上我能想到的一切。使用最新的 spring 和休眠版本（分别为 4.3.3 和 5.2.3）

applicationContext.xml:

<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
    <property name="url" value="jdbc:mysql://localhost:3306/trainings"/>
    <property name="password" value="xxx"/>
    <property name="username" value="xxx"/>
</bean>

<bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
    <property name="hibernateProperties">
        <props>
            <prop key="hibernate.show_sql">true</prop>
            <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
        </props>
    </property>
    <property name="dataSource" ref="dataSource"/>
</bean>

<bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager" >
    <property name="sessionFactory" ref="sessionFactory"/>
    <property name="dataSource" ref="dataSource" />
</bean>

<context:annotation-config/>

<context:component-scan base-package="webtrainings.beans"/>

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

GenericDAO.java:

@Repository("genericDao")
@Scope(value = "singleton")
public class GenericDAO<T> {

    @Autowired
    private SessionFactory sessionFactory;

    @Autowired
    private ApplicationContext appContext;

    public void getAll(Class<T> clazz) {
        factory.getCurrentSession();
    }
}

MyService.java:

@Service("myService")
@Transactional
public class MyService {

    @Autowired
    GenericDAO genericDAO;

    @Transactional
    public void hehe() {
        genericDAO.getAll(Training.class);
    }
}

HelloController.java:

@Controller
@RequestMapping(value = "/welcome")
public class HelloController {

    @Autowired
    MyService myService;

    @Autowired
    ApplicationContext applicationContext;

    @RequestMapping(method = RequestMethod.GET)
    public ModelAndView handleRequestInternal(HttpServletRequest request,
                                              HttpServletResponse response) throws Exception {
        ModelAndView model = new ModelAndView("hello");
        model.addObject("msg", "hello world");
        myService.hehe();

        return model;
    }
}

spring-servlet.xml (mvc):

<context:component-scan base-package="webtrainings.utils"/>

<bean id="viewResolver"
          class="org.springframework.web.servlet.view.InternalResourceViewResolver" >
        <property name="prefix">
            <value>/WEB-INF/jsp/</value>
        </property>
        <property name="suffix">
            <value>.jsp</value>
        </property>
</bean>

堆栈跟踪：

javax.persistence.TransactionRequiredException: no transaction is in progress
    org.hibernate.internal.SessionImpl.checkTransactionNeeded(SessionImpl.java:3430)
    org.hibernate.internal.SessionImpl.doFlush(SessionImpl.java:1397)
    org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1393)
    org.springframework.orm.hibernate5.SessionFactoryUtils.flush(SessionFactoryUtils.java:144)
    org.springframework.orm.hibernate5.SpringSessionSynchronization.beforeCommit(SpringSessionSynchronization.java:95)
    org.springframework.transaction.support.TransactionSynchronizationUtils.triggerBeforeCommit(TransactionSynchronizationUtils.java:95)
    org.springframework.transaction.support.AbstractPlatformTransactionManager.triggerBeforeCommit(AbstractPlatformTransactionManager.java:932)
    org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:744)
    org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:730)
    org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:487)
    org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:291)
    org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
    org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:655)
    webtrainings.beans.MyService$$EnhancerBySpringCGLIB$fca725c.hehe(<generated>)
    webtrainings.utils.HelloController.handleRequestInternal(HelloController.java:32)
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    java.lang.reflect.Method.invoke(Method.java:498)
    org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:180)
    org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:440)
    org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:428)
    org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)
    org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
    org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
    org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Answer 1

显然问题在于将 Java DCEVM 与 HotswapAgent 一起使用。当我从 tomcat 运行配置中删除 -XXaltjvm=dcevm -javaagent:C:\hotswap-agent.jar 时，一切都按预期工作。我想这是使用 "hacky" 软件的副作用之一。我对这些事情的了解太少，甚至无法猜测实际问题是什么。

Hibernate Spring 事务性没有正在进行的事务

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