How to put breakpoint in class without having it's source?

Question

I have a web application where I need to find all classes that accesses the http request object (because one of them is causing a hard to find bug). Therefore I would like to pu

Answer 1

I'm afraid you will need the source code if you want this to work.

For debugging, you need readable code + line numbers that match this code. None of these items are included in the class files