Question

Spring 声明式事务@Transactional不起作用，为什么

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">

<tx:annotation-driven transaction-manager="txManager" />
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${c3p0.driverClass}"></property>
<property name="jdbcUrl" value="${c3p0.url}"></property>
<property name="user" value="${c3p0.user}"></property>
<property name="password" value="${c3p0.password}"></property>
<property name="acquireIncrement" value="${c3p0.acquireIncrement}"></property>
<property name="initialPoolSize" value="${c3p0.initialPoolSize}"></property>
<property name="maxIdleTime" value="${c3p0.maxIdleTime}"></property>
<property name="maxPoolSize" value="${c3p0.maxPoolSize}"></property>
<property name="minPoolSize" value="${c3p0.minPoolSize}"></property>

<property name="acquireRetryDelay" value="1000"></property>
<property name="acquireRetryAttempts" value="60"></property>
<property name="breakAfterAcquireFailure" value="false"></property>
</bean>

<bean id="propertyConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath*:c3p0.properties</value>
</list>
</property>
</bean>

<bean id="txManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
</beans>

Answer 1

1. spring 配置文件开启注解声明 2. java代码方法上打上标记 @Transactional(rollbackFor={Exception.class, RuntimeException.class}) 方法抛出异常的时候事物回滚

Answer 2

1. spring 配置文件<context:annotation-config />开启注解声明
2. java代码方法上打上标记
@Transactional(rollbackFor={Exception.class, RuntimeException.class})
方法抛出异常的时候事物回滚

追问

都加了。。还是不起作用。。

追答

最好是把log打成debug，看下log信息

Answer 3

我也遇到了同样的问题，到网上搜了一天，基本说法大同小异，也并没有解决问题。后来问了同事，据说是跑单元测试就不生效，真正的代码发布，然后去请求自己的服务，事物就生效了。一个建议，如果你也是用单元测试测的不生效，可以把代码跑起来再试试