Propagation.REQUIRES_NEW不会在春季使用 JPA 创建新交易
2022-09-01 18:10:18
我有以下场景。我正在使用JPA,春天:
@Autowired
SampleService service;
@Transactional(propagation = Propagation.REQUIRED, rollbackFor = Exception.class)
public void PerformLogic(LogicData data) throws SIASFaultMessage
{
SampleObject so = createSampleObject();
try{
.//do some logic to persist things in data
.
.
persistData(data);
.
.
.
updateSampleObject(so);
}
catch(Exception){
updateSampleObject(so);
throw new SIASFaultMessage();
}
}
@Transactional(propagation = Propagation.REQUIRES_NEW)
public createSampleObject()
{
SampleObject so = new SampleObject();
.
.//initialize so
.
service.persist(so);
return so;
}
@Transactional(propagation = Propagation.REQUIRES_NEW)
public updateSampleObject(SampleObject so)
{
service.persist(so);
return so;
}
当一切正常时,数据将毫无问题地保留在数据库中。但是,当引发异常时,我需要方法 updateSampleObject(so) 将信息保留在数据库中。事实并非如此。如果引发异常,则方法 updateSampleObject 也会回滚,这不是我需要的。我需要这两种方法(createSampleObject 和 updateSampleObject)始终保持持久,无论是否引发异常。我怎样才能做到这一点?
此外,如果我注释了创建示例对象的方法,并更新了以下方法:
@Transactional(propagation = Propagation.NEVER)
这个想法是抛出一个异常,我没有得到抛出的异常。问题出在哪里?分析日志,我看到这行:
org.springframework.orm.jpa.JpaTransactionManager ==> Creating new transaction with name [com.test.PerformLogic]: PROPAGATION_REQUIRED,ISOLATION_DEFAULT....
这意味着此事务已创建,但我没有看到其他事务的提示。
这是我的Spring配置文件中关于事务的部分
<bean id="myDataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<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="entityManagerFactory"
class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="myDataSource"/>
<property name="packagesToScan" value="cu.jpa"/>
<property name="persistenceProviderClass" value="org.hibernate.ejb.HibernatePersistence"/>
<property name="jpaProperties">
<props>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.hbm2ddl.auto">${hdm2ddl.auto}</prop>
</props>
</property>
<property value="/META-INF/jpa-persistence.xml" name="persistenceXmlLocation"/>
<property name="persistenceUnitName" value="jpaPersistenceUnit"/>
</bean>
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory"/>
<property name="nestedTransactionAllowed" value="true" />
</bean>
<tx:annotation-driven transaction-manager="transactionManager"/>