我正在使用Spring 3.0.5和Hibernate 3.6。在我的项目中,有这样一种情况:如果任何异常被抛出或发生错误,则必须回滚事务。以下是示例代码,一切都正常运行,但是如果我抛出一个异常,事务不会回滚,但是如果抛出任何异常,例如mysql.IntegrityConstraintException,那么事务将被回滚。为什么在我的情况下没有发生这种情况?
applicationContext.xml:
所以,我说的问题是,当我从
<bean id="propertyConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location" value="classpath:database.properties"/>
</bean>
<bean id="myDataSource" 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}" />
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource" ref="myDataSource" />
<property name="packagesToScan" value="com.alw.imps"/>
<property name="configLocation">
<value>
classpath:hibernate.cfg.xml
</value>
</property>
</bean>
<bean id="stateDao" class="com.alw.imps.dao.StateDaoImpl">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<bean id="stateService" class="com.alw.imps.services.StateService">
<property name="stateDao" ref="stateDao"></property>
<property name="cityDao" ref="cityDao"></property>
<property name="customerDao" ref="customerDao"></property>
</bean>
<bean id="customerDao" class="com.alw.imps.dao.CustomerDaoImpl">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<bean id="cityDao" class="com.alw.imps.dao.CityDaoImpl">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<tx:annotation-driven transaction-manager="transactionManager" />
<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<tx:advice id = "txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="*" propagation="REQUIRED" />
</tx:attributes>
</tx:advice>
服务类 StateService
@Transactional(rollbackFor={Exception.class})
public class StateService {
private StateDaoImpl stateDao;
private CityDao cityDao;
private CustomerDao customerDao;
public void setCustomerDao(CustomerDao customerDao) {
this.customerDao = customerDao;
}
public void setStateDao(StateDaoImpl stateDao) {
this.stateDao = stateDao;
}
public CityDao getCityDao() {
return cityDao;
}
public void setCityDao(CityDao cityDao) {
this.cityDao = cityDao;
}
public void addState() {
try {
State state=new State();
state.setStateName("Delhi");
stateDao.create(state);
addCity();
addCustomer();
} catch(Exception e) {
e.printStackTrace();
}
}
public void addCity() throws Exception {
City city=new City();
city.setCiytName("Delhi");
city.setStateId(1);
cityDao.create(city);
}
public void addCustomer() throws Exception {
throw new java.lang.Exception();
}
DAO
public class StateDaoImpl extends GenericDaoImpl<State, Integer> implements StateDao {
}
GenericDaoImpl
public class GenericDaoImpl<T,PK extends Serializable> implements GenericDao<T,PK> {
public SessionFactory sessionFactory;
public void setSessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
public Session getSession() {
return sessionFactory.getCurrentSession();
}
public PK create(T o) {
Session ss= getSession();
ss.save(o);
return null;
}
hibernate.cfg
<hibernate-configuration>
<session-factory>
<property name="connection.pool_size">1</property>
<property name="dialect">org.hibernate.dialect.MySQLInnoDBDialect</property>
<property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>
<property name="show_sql">true</property>
<property name="hbm2ddl.auto">update</property>
<property name="defaultAutoCommit">false</property>
<mapping class="com.alw.imps.pojo.State"/>
<mapping class="com.alw.imps.pojo.City"/>
</session-factory>
</hibernate-configuration>
所以,我说的问题是,当我从
addCustomer()
方法中抛出Exception
类型的异常时,事务没有回滚。
MyService
类被代理了。你看到的回滚是来自数据库,而不是事务。 - Sotirios Delimanolis