Spring事务未启动
Spring事务未启动
提问于 2016-07-15 07:52:42
环境: Eclipse Keppler，jetty 7.5.1，Spring3.2.1，Hibernate 4.2.5，Oracle 11
问题: hibernate实体保存不适用于物理上的数据库
问题的原因可能是:没有活动事务。
问:为什么交易不开始？
注意:如果我将openSession()更改为getCurrentSession()，则一切都正常。事务启动&实体物理地保存到DB。
GenericDaoImpl：
@Transactional(propagation = Propagation.REQUIRED, readOnly = false,
value = "transactionManager")
public abstract class GenericDaoImpl<T, ID extends Serializable> implements GenericDao<T, ID> {
private Class<T> persistentClass;
protected SessionFactory sessionFactory;
@Override
public T addEntity(T entity) {
Session session = null;
try {
session = sessionFactory.openSession();
session.save(entity);
} catch (Exception e) {
e.printStackTrace();
} finally {
if(session != null){
Transaction t = session.getTransaction();
System.out.println("Transaction().isActive()......." + session.getTransaction().isActive());
System.out.println("before: session.isOpen() " + session.isOpen() + " trx wasCommitted " + t.wasCommitted());
session.close();
System.out.println("after: session.isOpen() " + session.isOpen() + " trx wasCommitted" + t.wasCommitted());
}
}
return entity;
}UserDaoImpl扩展GenericDaoImpl：
@Component
@Scope("prototype")
@Transactional(propagation = Propagation.REQUIRED, readOnly = false, value = "transactionManager")
public class UserDaoImpl extends GenericDaoImpl<User, Long> implements UserDao {
.
.
}在执行了以下代码之后，调用：
userDao.addEntity(user); 原木打印如下：
Transaction().isActive().......false
before: session.isOpen() true trx wasCommitted false
after: session.isOpen() false trx wasCommittedfalse交易日志：
[2016-07-15 10:42:04,567][DEBUG] Adding transactional method 'addEntity' with attribute: PROPAGATION_REQUIRED,ISOLATION_DEFAULT; 'transactionManager' databaseContext.xml：
<bean class="com.blabla.dao.local.implementations.UserDaoImpl"
scope="prototype" name="userDao">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<tx:annotation-driven />
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="packagesToScan"
value="com.blabla.model.local,com.blabla.model.authorization, com.blabla.model.authentication" />
<property name="entityInterceptor">
<bean class="com.blabla.listeners.EntityInterceptor" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.transaction.flush_before_completion">true</prop>
<prop key="hibernate.cache.provider_class">org.hibernate.cache.HashtableCacheProvider</prop>
<prop key="hibernate.connection.driver_class">${jdbc.driver}</prop>
<prop key="hibernate.connection.url">${jdbc.url}</prop>
<prop key="hibernate.connection.username">${jdbc.user}</prop>
<prop key="hibernate.connection.password">${jdbc.password}</prop>
</props>
</property>
</bean>
<bean id="dataSource" class="org.apache.tomcat.jdbc.pool.DataSource"
destroy-method="close">
<property name="driverClassName" value="${jdbc.driver}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.user}" />
<property name="password" value="${jdbc.password}" />
<property name="initialSize" value="5" />
<property name="maxActive" value="10" />
</bean>Stack Overflow用户
回答已采纳
发布于 2016-07-15 08:31:37
在您的示例中，很明显，spring处理hibernate会话和事务：
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>所以你不能用这个：
session = sessionFactory.openSession();因为您正在打开新的hibernate会话，spring对此一无所知。
使用：sessionFactory.getCurrentSession()意味着spring将用适当的配置处理场景后面的一切。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/38390735
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