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From Philipp Taprogge <>
Subject [WORKAROUND] Re: VERY weird problem with commons-logging and Tomcat5
Date Thu, 11 Dec 2003 23:40:43 GMT

I still do not know what is causing this behavior, but I found a 
workaround in case anyone else stumbles upon this problem:

In my I left the log4j.rootCategory property alone 
and only set properties for 
each package in my webapp to DEBUG.
This way I only get the DEBUG output of my own classes and not ALL 
debug messages generated by the container.
I still wonder why my in /WEB-INF/classes should 
reconfigure the container's whole logging mechanism. Either this is a 
major bug or tomcat4's doing it right was one.

'Till later


Philipp Taprogge wrote:

> Hi!
> I have a very disgusting problem here... I am developing a webapp which 
> uses commons-logging and log4j.
> All I do is use the commons' Log and LogFactory in my application and 
> place a file in my WEB-INF/classes.
> This property file looks like this (w/out the CR in the middle line of 
> course):
> log4j.rootCategory=DEBUG, warthoglog
> log4j.appender.warthoglog=org.apache.log4j.RollingFileAppender
> log4j.appender.warthoglog.layout=org.apache.log4j.PatternLayout
> log4j.appender.warthoglog.layout.ConversionPattern=%d{ISO8601}
>     [%-15C{1}] %-5p - %m%n
> log4j.appender.warthoglog.File=${catalina.home}/logs/warthog.log
> log4j.appender.warthoglog.MaxFileSize=2048KB
> log4j.appender.warthoglog.MaxBackupIndex=20
> log4j.appender.warthoglog.Append=true
> This works fine, except that I get not only my application's log 
> messages but _ALL_ tomcat debug logging in this file, which firstly 
> slows down my machine (no wonder) and secondly grows the logfile to a 
> few MBs just from startup.
> What the heck am I doing wrong here? This setup worked perfectly in the 
> last tomcat4.
> Can anyone advice?
>     Philipp Taprogge

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