我有一个 Spring/JPA/Groovy/Hibernate 堆栈,(注意:不是 grails),我发现我No session found for current thread
在尝试@Transactional
在启动时执行一些工作时遇到了问题。
我有一个控制器类,它@PostConstruct
调用@Transactional
另一个类的方法,该类尝试用一些要在模拟中使用的示例数据填充数据库。
这是controller
课程:
@Component
public class SimulationController {
private TransactionTemplate transactionTemplate;
@Autowired
private PlatformTransactionManager transactionManager;
@Autowired
private IPublisher publisher;
@PostConstruct
public void intialize()
{
this.transactionTemplate = new TransactionTemplate(transactionManager);
transactionTemplate.execute(new TransactionCallbackWithoutResult() {
@Override
protected void doInTransactionWithoutResult(TransactionStatus arg0) {
racePublisher.populateData();
}
});
}
// Also tried, with no success:
// @PostConstruct
// public void initialize()
// {
// publisher.populateData();
// }
}
如您所见,出于此处讨论的原因,我已经放弃了纯粹@Transactional
的方法。@PostConstruct
MyIPublisher
是一个 groovy 类,如下:
@Component
class Publisher implements IPublisher {
@Autowired
IStockDAO stockDAO
void populateData()
{
createStock()
}
@Transactional
void createStock()
{
def list = [new Stock(ticker: "ADBE", name: "Adobe"),
new Stock(ticker: "MSFT", venueCode: "Microsoft")]
list.each { stockDAO.create it }
}
这是一个实现:
public interface IPublisher {
public void populateData();
public void createStock();
}
请注意,我也尝试过标记populateData()
为@Transactional
,但没有任何效果。
在我的 Spring 上下文类中,我定义<tx:annotation-driven/>
.
据我所知,我做的一切都是正确的。但是,我似乎无法让它发挥作用。
还需要什么?
更新: 以下是设置我的 dataAccess 相关 bean 的 bean:
<beans>
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<tx:annotation-driven/>
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://${database.host}:${database.port}/${database.name}" />
<property name="username" value="${database.username}" />
<property name="password" value="${database.password}" />
<property name="initialSize" value="5" />
<property name="maxActive" value="50" />
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="packagesToScan">
<list>
<value>com.mangofactory.concorde</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.cache.provider_class">org.hibernate.cache.HashtableCacheProvider
</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.format_sql">true</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop><!-- use create for full drop/create -->
<prop key="hibernate.connection.autocommit">true</prop>
<prop key="hibernate.statement_cache.size">0</prop>
<prop key="hibernate.jdbc.batch_size">20</prop>
</props>
</property>
</bean>
<beans>