Yoav,

I agree with this approach. The only drawback is that you might need to
duplicate your logging code. For example : MethodA and MethodB both call
MethodC. MethodC finds an error and throw an exception. Then both MethodA
and MethodB will need to log this error. And what if you have 50 methods
calling MethodC? On the other hand if you log the error in MethodC then you
have only one place that handles the logging for this error.

Don't get me wrong, with your approach (which is the one that I use in my
code) you will have only one log for each error but the code might be harder
to maintain. 

Raz.

-----Original Message-----
From: Shapira, Yoav [mailto:[EMAIL PROTECTED]
Sent: Wednesday, March 17, 2004 9:00 AM
To: Log4J Users List
Subject: RE: RE: when to log Exceptions



Hi,

>Exceptions are often caught and rethrown.

If you're the end of the catching chain, i.e. if you don't rethrow it,
log it.  If you do rethrow it, no need to log because you're not really
handling the exception.  This approach is easy and will work with
external libraries as well, without having to throw everything as your
own exception with meta info like hasBeenLogged.

Yoav Shapira



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