Java.lang.ClassCastException:com.sun.proxy. $Proxy 8 cannot is cast to Com.bjsxt.service.UserServiceImpl01_AOP.

There are two proxy methods for spring AOP, one is the regular JDK, the other is cglib, and my Userdao has an interface Iuserdao, when the proxy object implements at least one interface, the proxy object is dynamically created by default using the JDK when the proxy object does not implement any interfaces. You will use the Cglib method. Click here to view more >>>
Treatment Methods
If your proxy object does not have a method to implement the interface, it converts the proxy object into an interface.
The code to get the proxy class is:

Or in the Applicationcontext.xml, add this sentence.

<aop:aspectj-autoproxy proxy-target-class= "true"/>

Java.lang.ClassCastException:com.sun.proxy. $Proxy 8 cannot is cast to Com.bjsxt.service.UserServiceImpl01_AOP.