I think you're right: http://stackoverflow.com/questions/217929/problem-with-commons-logging-l og4j-setup-in-spring-webapp-with-tomcat-6
So commons-logging is not safe in common lib area. -----Original Message----- From: Pid [mailto:p...@pidster.com] Sent: Wednesday, November 04, 2009 7:23 AM To: Tomcat Users List Subject: Re: webapps question On 04/11/2009 13:17, Joseph Morgan wrote: > Michele, > > It looks like all of the jar files you mention can safely be deployed in > Tomcat's common lib area. I'm not sure that's true of commons-logging or log4j. Someone else might have a better memory than me, but I've a feeling that they hold onto classloader references, which may cause a memory leak during redeployments. p > Another question, though, to ask yourself and your developers is, do you > really need 100 individual web apps to support the web services you > have? > > In other words, there is no requirement to have a 1 to 1 correlation > between applications and web services. > > Joe > > -----Original Message----- > From: Michele Mase' [mailto:michele.m...@gmail.com] > Sent: Wednesday, November 04, 2009 4:56 AM > To: Tomcat Users List > Subject: Re: webapps question > > Thanx 4 you answer; > ps: there are 100 webservices, not webapps > Pls, help me: I'm not a developer ... and I don't understand the > disadvantages of "static classes/fields loaded from common classloader > will > be shared among all webapps", Could you be a little more specific about > the > disadvantages? > Your suggestion is to "split" the apps into vitualhost like, context.xml > ecc..? > I use the oracle odbc thin; which problem should I have putting the jdbc > driver int the commos/lib ? > For reference, those are the jars userd in all webservices: > classes12.jar > ibatis-common-2.jar ibatis-dao-2.jar ibatis-sqlmap-2.jar activation.jar > axis-ant.jar axis.jar commons-discovery-0.2.jar > commons-logging-1.0.4.jar > jaxrpc.jar LEGO_CONDIVISI.jar log4j-1.2.8.jar mail.jar saaj.jar > wsdl4j-1.5.1.jar xmlsec-1.4.0.jar > Michele > > On Wed, Nov 4, 2009 at 11:00 AM, Mikolaj Rydzewski<m...@ceti.pl> wrote: > >> Michele Mase' wrote: >> >>> I've 100 webapps on one single tomcat instance. >>> Every webapps has in his WEB-INF/lib the same jars >>> I've some permgen memory problems too >>> Moving all the shared libs in tomcat's root/common/lib should help me >>> reducing the perm gen memory usage? >>> Should it be a good pratics >>> >> It will solve one problem, but will cause others, difficult to trace. > E.g. >> static classes/fields loaded from common classloader will be shared > among >> all webapps. >> You should rather refactor your webapp to be able to change its 'work >> context' depending on URI/domain name. >> >> -- >> Mikolaj Rydzewski<m...@ceti.pl> >> >> >> --------------------------------------------------------------------- >> 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 > --------------------------------------------------------------------- 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
