Implement logging in a compiled Java application?

Question

I've a standalone compiled java application. I don't have source files for this application and I am facing an issue. I need to fix this issue and need to log some information. I have only .class files at my disposal. Is it possible to modify these files to enable logging of some information?

Community · Accepted Answer · 2017-05-23 11:50:18Z

1

You can De-compile your class files , and can get the codes corresponding to your class files.

Then you can create new files with same name , with change in logging code .

Refer this for more details about De-compiler.

edited May 23, 2017 at 11:50

CommunityBot

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answered Dec 24, 2013 at 5:28

Sujith PS

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Yogesh_D · Accepted Answer · 2013-12-24 05:32:36Z

1

I believe you can use aspectj for this.. a quick google search gave me this link.. http://java.jiderhamn.se/2013/08/23/debugging-third-party-libraries-with-aspectj-and-maven/

see if this helps..

answered Dec 24, 2013 at 5:32

Yogesh_D

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sachin garg · Accepted Answer · 2013-12-24 05:24:22Z

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No, you won't. The only option left to you is, de-compile the class files and get the code.

answered Dec 24, 2013 at 5:24

sachin garg

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