problems switching to @Transactional with AOP

[hendershot]

Followed the online reference and did the following:

<bean class="org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator"/>		
	<bean class="org.springframework.transaction.interceptor.TransactionAttributeSourceAdvisor">
 	 	<property name="transactionInterceptor" ref="txInterceptor"/>
	</bean>

	<bean id="txInterceptor" class="org.springframework.transaction.interceptor.TransactionInterceptor">
	  <property name="transactionManager" ref="myTransactionManager"/>
	  <property name="transactionAttributeSource">
 	 	  <bean class="org.springframework.transaction.annotation.AnnotationTransactionAttributeSource"/>
 	 </property>
	</bean>

Then annotated one service class with @Transactional.

What I was expecting was for DefaultAdvisorAutoProxyCreator to create a proxy only for my one class that is annotated with @Transactional but it seems to be creating proxies for every bean which is causing problems like:

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean 
with name 'someOtherServiceTarget' defined in file [applicationContext-common-service.xml]: 
Initialization of bean failed; 
nested exception is org.springframework.beans.TypeMismatchException:
Failed to convert property value of type [$Proxy29]
 to required type [MyDAOImpl] for property 'myDaoInterface';
nested exception is java.lang.IllegalArgumentException: 
Cannot convert value of type [$Proxy29] to required 
type [MyDAOImpl] for property 'myDaoInterface': 
no matching editors or conversion strategy found

Then I tried adding: <property name="proxyTargetClass" value="true"/> to DefaultAdvisorAutoProxyCreator. And get an error because a proxy cannot be created for hibernate SessionFactoryImpl.

Caused by: org.springframework.beans.factory.BeanCreationException:
 Error creating bean with name 'defaultWebSessionFactory': 
Post-processing of the FactoryBean's object failed; nested exception is 
org.springframework.aop.framework.AopConfigException: 
Could not generate CGLIB subclass of class 
[class org.hibernate.impl.SessionFactoryImpl]: 
Common causes of this problem include using a final class or 
a non-visible class; nested exception is java.lang.IllegalArgumentException: 
Cannot subclass final class class org.hibernate.impl.SessionFactoryImpl

The questions I have are, why is every bean being proxied? and how can I get this to work?

Thanks in advance for any help!

[ramnivas]

How about just using
<tx:annotation-driven/>

Please see http://static.springframework.org/sp...dvice-settings for more details.

-Ramnivas

[hendershot]

thanks! that works much better.