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tomcat_5 and application logging.

gautham kasinath
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Joined: Dec 01, 2000
Posts: 583
HI!
Well, I have run into a wierd problem.
When I copy the commons-logging.jar in my webapp/web-inf/lib, then tomcat complains that there is no log4j implementation and logs everything into my <application>.log file. So I get all the stuff that is going on in Tomcat, with my own application logs.
But, when I copy the commons-logging.jar and place it under common/lib. then I no longer get this error. But I get another one, saying a parsing exception with struts-logic.tld and all the other tlds, that I have under web-inf/tlds (as I have configured).
Any clues to what I am mising in the configuration?
Cheers
Lupo


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Mike Curwen
Ranch Hand

Joined: Feb 20, 2001
Posts: 3695

the exact location of commons-logging.jar is one of those 'archane magic' things, and it's bitten some very compentent people in the butt.
You might be running afoul of a very nasty problem with commons-logging, log4j, and the tomcat classloaders.

for example:
http://www.qos.ch/logging/thinkAgain.html
Mike Curwen
Ranch Hand

Joined: Feb 20, 2001
Posts: 3695

Hmm... just found this.
http://www.jroller.com/page/gstamp/20040308#commons_logging1
gautham kasinath
Ranch Hand

Joined: Dec 01, 2000
Posts: 583
Hey! Thanks mike for the quick replies.
Well, unfortunately, they dont seem to quite address my problem at the moment.
I wonder if there is a dependency between commons-logging and SAX parser that is loaded by tomcat.
 
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subject: tomcat_5 and application logging.