java.lang.ClassCastException: com.sun.proxy.$Proxy0 cannot be cast to org.andrea.myexample.myDeclarativeTransactionSpring.StudentJDBCTemplate

Question

I am trying to implement this tutorial about Declarative Transaction in Spring Framework application but don\'t work because when I try to execute the MainApp c

Answer 1

You should use the interface type in aop pointcut expression i.e in following line:-

expression="execution(* org.andrea.myexample.myDeclarativeTransactionSpring.StudentJDBCTemplate.create(..))" />

use the below code:-

expression="execution(* org.andrea.myexample.myDeclarativeTransactionSpring.StudentDAO.create(..))" />

Spring supports AOP via proxying which is of two type Interface based (Proxy implements all the interfaces implemented by target class) and Class based ( achieved by subclassing the target class).