Java debuging decompiled classes without line number attributes

Question

Is there any way to debug a 3rd party Java code (library) which, as I believe, was compiled without line number attributes? I attach a debugger to this class (decompiled in Eclipse using JadClipse) and I can set breakpoints on method entries, but cannot step through code line by line.

Possible duplicate of How to debug a Java application without access to the source code? — Mogsdad
– Mogsdad, Commented Sep 1, 2015 at 20:27

Thilo · Accepted Answer · 2010-05-12 14:21:42Z

2

Maybe you can re-compile the decompiled code and debug that instead of the "real" jar?

answered May 12, 2010 at 14:21

Thilo

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2 Comments

NSPKUWCExi2pr8wVoGNk Over a year ago

Thanks for the answer, Thilo, but this is not a solution for me as I am debugging an applet, which is deployed on a remote server. Technically I think I could recompile and "inject" it, but I am looking for more elegant solution.

NSPKUWCExi2pr8wVoGNk Over a year ago

As this is the only solution provided (despite the fact, that I was looking for some cleaner way to do this), I accept it. Thank you, Thilo.

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