Record every method execution

Question

Is there any way that I can log / record / monitor / view every execution of a method inside of a Java program.

For example:

12:30:12 someMethod("argument") 12:30:12 anotherMethos(1, 2, 3) 12:30:13 finalMethod("invalidInputHere1234")

Have a look at this article: extranet.ipl.be/OOMADB/document/IPL_cours/COO/… — ChristopheD
– ChristopheD, Commented May 12, 2012 at 10:11
stackoverflow.com/questions/4823557/java-logging-method-calls & stackoverflow.com/questions/4653013/… — assylias
– assylias, Commented May 12, 2012 at 10:12

Amadan · Accepted Answer · 2012-05-12 10:11:19Z

3

Easy answer: modify the method, and insert logging statements.

Somewhat more complex answer, which works even if you can't modify the method: look into aspect-based programming.

answered May 12, 2012 at 10:11

Amadan

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2 Comments

jSherz Over a year ago

I want to trace hundreds of methods so can't really change every single one of them. Is there not a way of monitoring the execution of a Java program to see the methods being run? I know that I can use NetBeans to track a variable's value - what about which methods have been executed?

Amadan Over a year ago

Take a look at this article

Bananeweizen · Accepted Answer · 2012-05-12 10:13:21Z

Without modifying the code you could use a debugger or profiler that is able to record any state change, like the Chronon time travelling debugger.

Hatter Jiang · Accepted Answer · 2012-05-12 10:27:24Z

2

Try this: https://github.com/taobao/TProfiler

answered May 12, 2012 at 10:27

Hatter Jiang

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isvforall · Accepted Answer · 2012-05-12 10:14:16Z

1

You can record your program and then play it with Chronon

answered May 12, 2012 at 10:14

isvforall

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Comments

yegor256 · Accepted Answer · 2014-01-13 10:02:34Z

You can use @Loggable annotation from jcabi-aspects, which wraps all methods you want to debug with a simple logging mechanism:

@Loggable(Loggable.DEBUG) public String load(URL url) { return url.openConnection().getContent(); }

It logs through SLF4J.

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