spring mvc无法支持事务控制如何解决

<bean id="configReader" class="org.springframework.beans.factory.config.PreferencesPlaceholderConfigurer">  <property name="locations">   <list>    <value>classpath:spring/db.properties</value>   </list>  </property>  <property name="ignoreResourceNotFound" value="true"/> </bean> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">  <property name="driverClass" value="${jdbc.oracle.DriverClassName}"></property>  <property name="jdbcUrl" value="${jdbc.oracle.Url}"></property>  <property name="user" value="${jdbc.oracle.UserName}"></property>  <property name="password" value="${jdbc.oracle.UserPassword}"></property>  <property name="acquireIncrement" value="5"></property>  <property name="initialPoolSize" value="5"></property>  <property name="maxIdleTime" value="60"></property>  <property name="maxPoolSize" value="100"></property>  <property name="minPoolSize" value="5"></property> </bean> <!-- 配置数据源:MySQL start --> <bean name="mySqlDataSource" class="com.alibaba.druid.pool.DruidDataSource"   init-method="init" destroy-method="close">  <property name="driverClassName" value="${jdbc.mysql.DriverClassName}"/>  <property name="url" value="${jdbc.mysql.Url}"/>  <property name="username" value="${jdbc.mysql.UserName}"/>  <property name="password" value="${jdbc.mysql.UserPassword}"/>  <!-- 初始化连接大小 -->  <property name="initialSize" value="5"/>  <!-- 连接池最大使用连接数量 -->  <property name="maxActive" value="30"/>  <!-- 连接池最小空闲 -->  <property name="minIdle" value="2"/>  <!-- 获取连接最大等待时间 -->  <property name="maxWait" value="300"/>  <property name="validationQuery" value="SELECT 1"/>  <property name="testOnBorrow" value="false"/>  <property name="testOnReturn" value="false"/>  <property name="testWhileIdle" value="true"/>  <!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->  <property name="timeBetweenEvictionRunsMillis" value="10000"/>  <!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->  <property name="minEvictableIdleTimeMillis" value="30000"/>  <!-- 打开removeAbandoned功能 -->  <property name="removeAbandoned" value="true"/>  <!-- 1800秒，也就是30分钟 -->  <property name="removeAbandonedTimeout" value="1800"/>  <!-- 关闭abanded连接时输出错误日志 -->  <property name="logAbandoned" value="true"/>  <!-- 监控数据库 -->  <property name="filters" value="stat"/> </bean> <bean id="multipleDataSource" class="com.we.database.MultipleDataSource">  <property name="defaultTargetDataSource" ref="dataSource"/>  <property name="targetDataSources">   <map>    <entry key="oracleDataSource" value-ref="dataSource"/>    <entry key="mySqlDataSource" value-ref="mySqlDataSource"/>   </map>  </property> </bean> <!-- oracle myBatis file --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">  <property name="dataSource" ref="multipleDataSource"/>  <!--<property name="configLocation" value="classpath:configuration.xml" /> -->  <property name="mapperLocations" value="classpath:com/we/dao/mapper/*.xml"/> </bean> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">  <property name="basePackage" value="com.we.dao"/>  <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/> </bean> <!-- configure transaction --> <bean id="transactionManager"   class="org.springframework.jdbc.datasource.DataSourceTransactionManager">  <property name="dataSource" ref="dataSource"/> </bean> <!-- annotation transaction --> <tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true"/> <!-- interception transatcion --> <tx:advice id="transactionAdvice" transaction-manager="transactionManager">  <tx:attributes>   <tx:method name="add*" propagation="REQUIRED"/>  </tx:attributes> </tx:advice> <!-- 配置数据库注解aop --> <bean id="dataSourceAspect" class="com.we.database.DataSourceAspect"/> <aop:config>  <aop:pointcut id="transactionPointcut" expression="execution(* com.wewe.licai.service..*Impl.*(..))"/>  <aop:advisor pointcut-ref="transactionPointcut" advice-ref="transactionAdvice" order="2"/>  <!--数据源选择切面,保证在事务开始之前执行-->  <aop:advisor pointcut-ref="transactionPointcut" advice-ref="dataSourceAspect" order="1" /> </aop:config>