<context:property-placeholder location="jdbc.properties" />

	<bean name="dataSource" 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="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">

		<property name="configLocation" value="classpath:hibernate.cfg.xml" />

	</bean>

	<bean id="txManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">

		<property name="sessionFactory" ref="sessionFactory" />

		<property name="dataSource" ref="dataSource" />

	</bean>



	<aop:config>

		<aop:pointcut expression="execution(* cn.tboa.dao..*.*(..))" id="daoMethod" />

		<aop:advisor advice-ref="txAdvice" pointcut-ref="daoMethod" />

	</aop:config>



	<tx:advice id="txAdvice" transaction-manager="txManager">

		<tx:attributes>

			<tx:method name="*" propagation="REQUIRED" read-only="true" />

			<tx:method name="find*" read-only="true" />

			<tx:method name="get*" read-only="true" />

			<tx:method name="save*" propagation="REQUIRED" />

			<tx:method name="update*" propagation="REQUIRED" />

			<tx:method name="delte*" propagation="REQUIRED" />

			<tx:method name="merge*" propagation="REQUIRED" />

		</tx:attributes>

	</tx:advice>

Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [applicationContext.xml]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'txAdvice': Cannot resolve reference to bean 'txManager' while setting bean property 'transactionManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'txManager' defined in class