java ibatis配置两个数据库问题

Question

我用ibatis配置oracle和PostgreSQL.
applicationContext-layer.xml
<!-- 自动扫描 -->
<context:component-scan base-package="com.layer"/>

<!-- 强制使用CGLIB代理  -->
<aop:aspectj-autoproxy proxy-target-class="true"/>

<!-- DataSource数据源_PostgreSQL -->
<bean id="dataSource_Layer" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName">
<value>org.postgresql.Driver</value>
</property>
<property name="url">
<value>jdbc:postgresql://192.168.105.29/Search_591</value>
</property>
<property name="username">
<value>postgres</value>
</property>
<property name="password">
<value>SJCPBserver2013</value>
</property>
</bean>
   <!-- Spring iBatis SqlMapClient -->
<bean id="sqlMapClient_Layer" class="org.springframework.orm.ibatis.SqlMapClientFactoryBean">
<property name="configLocation" value="classpath:sqlmap-config_Layer.xml" />
<property name="dataSource" ref="dataSource_Layer" />
</bean>

<!--事务管理_PostgreSQL-->
<bean id="txManager_Layer"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource_Layer" />
</bean>

<!--启动spring注解功能-->
    <tx:annotation-driven transaction-manager="txManager_Layer" />

<aop:config>
<aop:pointcut id="baseServiceMethods_Layer" expression="execution(* com.layer.dao.*.*(..))" />
<aop:advisor advice-ref="txManager_Layer" pointcut-ref="baseServiceMethods_Layer" />
</aop:config> <aop:aspectj-autoproxy />

<tx:advice id="txAdvice_Layer" transaction-manager="txManager_Layer">
<tx:attributes>
<tx:method name="select*" read-only="true" propagation="REQUIRED" />
<tx:method name="find*" read-only="true" propagation="REQUIRED" />
<tx:method name="save*" propagation="REQUIRED" isolation="REPEATABLE_READ" />
<tx:method name="update*" propagation="REQUIRED" isolation="REPEATABLE_READ" />
<tx:method name="add*" propagation="REQUIRED" isolation="REPEATABLE_READ" />
<tx:method name="delete*" propagation="REQUIRED" isolation="REPEATABLE_READ" />
</tx:attributes>
</tx:advice>
applicationContext-system.xml
<!-- 自动扫描 -->
<context:component-scan base-package="com.system"/>

<!-- 强制使用CGLIB代理  -->
<aop:aspectj-autoproxy proxy-target-class="true"/>

<!-- DataSource数据源_oracle -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName">
<value>oracle.jdbc.driver.OracleDriver</value>
</property>
<property name="url">
<value>jdbc:oracle:thin:@localhost:1521:oracle</value>
</property>
<property name="username">
<value>roadGis_system</value>
</property>
<property name="password">
<value>roadGis_system</value>
</property>
</bean>
   <!-- Spring iBatis SqlMapClient -->
<bean id="sqlMapClient" class="org.springframework.orm.ibatis.SqlMapClientFactoryBean">
<property name="configLocation" value="classpath:sqlmap-config.xml" />
<property name="dataSource" ref="dataSource" />
</bean>
 
  <!--事务管理DataSourceTransactionManager-->
<bean id="txManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>

<!--启动spring注解功能-->
    <tx:annotation-driven transaction-manager="txManager" />

<aop:config>
<aop:pointcut id="baseServiceMethods" expression="execution(* com.system.dao.*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="baseServiceMethods" />
</aop:config> <aop:aspectj-autoproxy /> <tx:advice id="txAdvice" transaction-manager="txManager">
<tx:attributes>
<tx:method name="select*" read-only="true" propagation="REQUIRED" />
<tx:method name="find*" read-only="true" propagation="REQUIRED" />
<tx:method name="save*" propagation="REQUIRED" isolation="REPEATABLE_READ" />
<tx:method name="update*" propagation="REQUIRED" isolation="REPEATABLE_READ" />
<tx:method name="add*" propagation="REQUIRED" isolation="REPEATABLE_READ" />
<tx:method name="delete*" propagation="REQUIRED" isolation="REPEATABLE_READ" />
</tx:attributes>
</tx:advice>
启动Tomcat时报错
严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mfcqzfwDao' defined in file [E:\tomcat\tomcat-6.0.33\webapps\RoadGisSys\WEB-INF\classes\com\layer\dao\MfcqzfwDao.class]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named 'txManager_Layer' must be of type [org.aopalliance.aop.Advice], but was actually of type [org.springframework.jdbc.datasource.DataSourceTransactionManager]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:580)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:276)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4206)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4705)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1079)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1002)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:506)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
at org.apache.catalina.core.StandardService.start(StandardService.java:525)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named 'txManager_Layer' must be of type [org.aopalliance.aop.Advice], but was actually of type [org.springframework.jdbc.datasource.DataSourceTransactionManager]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:349)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at org.springframework.aop.support.AbstractBeanFactoryPointcutAdvisor.getAdvice(AbstractBeanFactoryPointcutAdvisor.java:80)
at org.springframework.aop.aspectj.AspectJProxyUtils.isAspectJAdvice(AspectJProxyUtils.java:67)
at org.springframework.aop.aspectj.AspectJProxyUtils.makeAdvisorChainAspectJCapableIfNecessary(AspectJProxyUtils.java:49)
at org.springframework.aop.aspectj.autoproxy.AspectJAwareAdvisorAutoProxyCreator.extendAdvisors(AspectJAwareAdvisorAutoProxyCreator.java:101)
at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findEligibleAdvisors(AbstractAdvisorAutoProxyCreator.java:88)
at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.getAdvicesAndAdvisorsForBean(AbstractAdvisorAutoProxyCreator.java:68)
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:359)
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:322)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:407)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1426)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
... 35 more
哪位大神知道，哪里写错了，谢谢数据库JavaiBATISOracle