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From Jasmin Mehta <>
Subject Re: [Logging] : Can commons.logging be used without log4j
Date Mon, 16 Aug 2010 12:25:00 GMT

I could write up log4j.xml and implement RepositorySelector  as you 
suggested in the URL. 

But still my logs are going to the same log file for 2 web applications 
deployed on the same OC4J instance.

I have OC4J Application server where I have deployed 2 web 
applications on the same instance, and the logs for both applications are 
going to only one log file which got deployed first. 

log4j-1.2.16.jar is in use as a shared-lib for the instance.

How can I separate them?


From:   Brent Worden <>
Date:   08/09/2010 09:56 AM
Subject:        Re: [Logging] : Can commons.logging be used without log4j

On 8/9/2010 7:53 AM, Jasmin Mehta wrote:
> The log4j has limitation that if its used as a shared library then it 
> initiate only one configuration. So my all we applications which shares
> the same instance are populating the logs into only one log file (the 
> app which deployed first in order), rather than individual / separate 
> files configured in the path of each of the application's
This isn't true.  Log4j allows for defining and using multiple log
configurations in a single JVM.  This is accomplished by using a
RepositorySelector to manage the multiple log hierarchies.  See for a web
container example.


Brent Worden

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