Why Spring AOP is not weaving external jars at runtime?

Question

I have a java application build upon Spring 3. This project has another jar as a dependency.

This dependency contains a @org.aspectj.lang.annotation.Aspect

Answer 1

From AspectJ in action book: aspects used with the proxy-based AOP (declared using @AspectJ or XML-based syntax) are Spring beans and shouldn’t use the aspectOf() approach to instantiation.

Declare it normally and see if it works out: