Thanks, this makes sense. However, I'd like to find out what is being held onto by the log4j.jar. So I'd like to test it out. How does one redploy a single application? Strange, I could not find any information on this seemingly basic task on google. Thanks again.
--- On Wed, 1/14/09, Caldarale, Charles R <chuck.caldar...@unisys.com> wrote: > From: Caldarale, Charles R <chuck.caldar...@unisys.com> > Subject: RE: How to have multiple loggers with shared code also using the > logger? > To: "Tomcat Users List" <users@tomcat.apache.org> > Date: Wednesday, January 14, 2009, 9:27 PM > > From: removeps-gro...@yahoo.com > [mailto:removeps-gro...@yahoo.com] > > Subject: RE: How to have multiple loggers with shared > code > > also using the logger? > > > > And since the log4j.jar resides in the > ${catalina.home}/lib > > folder, this root logger is used by all web apps. > > The log4j.jar is only there because you put it there. It > does not come with the Tomcat distribution, and it's > normally placed in the WEB-INF/lib directory of each webapp > that needs it. > > By having such a jar in a common location, you've > pretty much guaranteed that you'll have to take Tomcat > down to redeploy a single webapp - the old webapp won't > go away because log4j will be hanging onto references to it. > (A common cause of PermGen filling up after redeployments.) > > The servlet spec (and experience) strongly suggest that > webapps be kept as isolated as possible for this kind of > reason. > > - Chuck > > > THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR > OTHERWISE PROPRIETARY MATERIAL and is thus for use only by > the intended recipient. If you received this in error, > please contact the sender and delete the e-mail and its > attachments from all computers. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: > users-h...@tomcat.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
