[aspectj-users] Method return value in case of exception

[Nikolas Nehmer <nnehmer@xxxxxxxxxxxxxxxxxxxx>]

Hi,

currently I'm writing a tool logging method calls and corresponding 
return values (among other things). Using "after() throwing" capturing 
the result of a method in case of an exception is easily possible. 
Unfortunately (to capture the exception return value) AspectJ seems to 
inject try catch blocks around every method call on the propagation path.
Example:
A is calling B is calling C is calling D, an Exception is raised in D an 
caught in A

Using JDI's ExceptionEvent (running the app in debugging mode) one would 
expect one single ExceptionEvent (caused by the Exception raised in D)  
with ExceptionEvent.catchLocation() returning A...

Using:
after() throwing(Throwable o): methodCall() {
   //doSomething
}
results in several ExceptionEvents caused by every propagation step on 
the exception propagation path. Obviously each method call is implicitly 
wrapped by a try catch block rethrowing the exception raised in D. 
Unfortunately this implicitly changes the exception propagation 
behaviour of the application.

Any ideas on how to circumvent this implicit catch and rethrow mechanism 
while keeping the possibility to capture method calls and results in 
case of an exception?

Cheers
Nikolas