Re: Re: Commons Logging Issues

We made the switch to commons-logging a while back for a few reasons...

The main one, as I see it, is that as "component builders", our deployables
should not interfere with the user. They shouldn't require the user to do
something he doesn't have to. That includes making him switch his logging to
use log4j OR make him have to deal with configuring log4j and his own
logging. Rather, if we can _easily_ give the user the flexibility, we
should. Commons-logging is a good candidate for that.

-Pat

----- Original Message -----
From: "Kevin O'Neill" <[email protected]>
To: <[email protected]>
Sent: Thursday, August 07, 2003 4:59 PM
Subject: [Opensymphony-developers] Re: Commons Logging Issues


> On Thu, 07 Aug 2003 15:33:50 +1000, Scott Farquhar wrote:
>
> > We are having problems deploying JIRA in the latest versions of Tomcat
due
> > to commons logging hell.  It seems that Tomcat packages commons-logging
in
> > servlet/lib/ which clashes if you package your own version.
> >
> > Of course I need to package my own version of commons-logging because if
I
> > deploy on any other server I need it.
> >
> > Here is a good article about it:
> >
> >    http://www.qos.ch/logging/thinkAgain.html
> >
> > Our specific problem is here:
> >
> >    http://marc.theaimsgroup.com/?l=tomcat-dev&m=103481398706987&w=2
> >
> > Now, my question is - do we actually benefit from using commons-logging
> > instead of log4j?  What were the reasons for it?  Are they still valid?
>
> The problem will not go away ... unfortuatly. Classloader hell is dll hell
> for java. Something like jboss just causes you more pain because of it's
> "wonderfully helpfull" classloader. I had a nightmare getting log4j to
> work in OSUser when I had OSUser and another application that used log4j
> in seperate ears (OSUser was compiled against an older or newer version I
> can't remeber which).
>
> At least with commons logging I can switch to jdk 1.4 logging (system
> properties) and know that the classes are in the boot classloader and I'm
> not going to get conflicts.
>
> > Cheers,
> > Scott
>
>
>
>
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