mysql，spring+ibatis事务机制问题

先看异常：
org.springframework.dao.CannotAcquireLockException: SqlMapClient operation;
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CannotAcquireLockException: SqlMapClient operation
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spring的配置
XML code:

<!-- ****************事务通知(事务增强)**************** -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>

<!-- 添加事务切面 -->
<aop:config>
<!--切点表达式-->
<aop:pointcut id="bizMethods"
expression="execution(* com.jw.xzms.*.biz.*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="bizMethods" />
</aop:config>
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<!-- 事务属性定义 -->
<tx:attributes>
<tx:method name="*" propagation="REQUIRED" />
</tx:attributes>
</tx:advice>
<!-- action -->



java代码
Java code

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