users@glassfish.java.net

Re: logging best practice

From: roger.keays <roger.keays_at_ninthavenue.com.au>
Date: Mon, 18 Dec 2006 16:57:17 -0800 (PST)

use java.util.logging


Mark Hansen-3 wrote:
>
> I'm trying to deploy a WAR that includes log4j in the WEB-INF/lib.
> GlassFish isn't finding it, and I understand from reading some of the
> blogs that this is because commons-logging is getting loaded by the
> System classloader is trying to instantiate the log4j classes that are
> on the local Web classloader.
>
> First question: I don't really understand this behavior. Is GlassFish
> autodetecting the use of Log4J in my webapp and trying to load the Log4J
> classes directly from the System classloader rather than from my Web
> classloader? If so, why is it designed that way? Why not just let my
> Web app. load the Log4J classes?
>
> Second question: What is best practice for logging in a Web app that is
> going to be deployed to GlassFish? I don't really like the solution of
> putting Log4J into the GlassFish/lib because I'd like my apps to run on
> an "out of the box" GlassFish (or SJSAS) install. And what if I've got
> different apps using different versions of Log4J?
>
> Thanks for any advice,
>
> Mark
>
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