No Hibernate Session bound to thread

No Hibernate Session bound to thread,
and configuration does not allow creation of non-transactional one here

spring+hibernate 插入数据时，发生以上错误。

解决方法：加入事务处理（声明式事务处理），

   配置一个HibernateTransactionManager
   配置一个TransactionProxyFactoryBean

在BEAN配置文件配置如下：

<bean id="baseTransactionProxy" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean"
     abstract="true">
   <property name="transactionManager" ref="transactionManager"/>
   <property name="transactionAttributes">
     <props>
       <prop key="insert*">PROPAGATION_REQUIRED</prop>
       <prop key="update*">PROPAGATION_REQUIRED</prop>
       <prop key="*">PROPAGATION_REQUIRED,readOnly</prop>
     </props>
   </property>
 </bean>
 <bean id="myProxy" parent="baseTransactionProxy">
   <property name="target" ref="myTarget"/>
 </bean>
 <bean id="yourProxy" parent="baseTransactionProxy">
   <property name="target" ref="yourTarget"/>
 </bean>

另：取用DAO来操作数据库时，取的是DaoProxy,而不Dao,像这样context.getBean("childDaoProxy")