spring使用注解方式实例化类之后 事务就失去了效果。。求助！！！！！！
没用 注解之前 用的是声明式 事务  用了后  会出现 no session  某些页面 标签拿不到值  提示  session  已关闭。。 
下面上 配置文件  

	<bean id="sessionFactory"

		class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

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

		</property>

	</bean>

	

	<!-- *******************************动态代理事务*********************************** -->

	<!-- 配置事务 -->

	<bean id="transactionManager"

		class="org.springframework.orm.hibernate3.HibernateTransactionManager">

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

	</bean>

	

	<!--  <tx:annotation-driven transaction-manager="transactionManager" /> -->

	

	

 	<bean id="transactionInterceptor"

		class="org.springframework.transaction.interceptor.TransactionInterceptor">

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

		<!-- 配置事务属性 -->

		<property name="transactionAttributes">

			<props>

				<prop key="*">PROPAGATION_REQUIRED</prop>

			</props>

		</property>

	</bean>

	



	<bean

		class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">

		<property name="beanNames">

			<list>

				<value>*Dao</value>

			</list>

		</property>

		<property name="interceptorNames">

			<list>

				<value>transactionInterceptor</value>

			</list>

		</property>

	</bean>



	

	<!-- 自动扫描dao和service包(自动注入) -->

	<context:component-scan base-package="com.syyx.officemanage" />

上面是 spring 配置文件


然后访问 需要操作数据库的标签页后 就出现 2013-12-26 17:20:49,655 ERROR [org.hibernate.LazyInitializationException] - could not initialize proxy - no Session
org.hibernate.LazyInitializationException: could not initialize proxy - no Session
at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:132)
at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:174)
at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:190)
at com.syyx.officemanage.common.entity.SysEmployee_$$_javassist_10.getName(SysEmployee_$$_javassist_10.java)
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 ognl.OgnlRuntime.invokeMethod(OgnlRuntime.java:891)
at ognl.OgnlRuntime.getMethodValue(OgnlRuntime.java:1454)
at ognl.ObjectPropertyAccessor.getPossibleProperty(ObjectPropertyAccessor.java:60)
at ognl.ObjectPropertyAccessor.getProperty(ObjectPropertyAccessor.java:147)
at com.opensymphony.xwork2.ognl.accessor.ObjectAccessor.getProperty(ObjectAc