Thanks chuck, now I understand it. My JARs are the regular type of JAR, that doesn't have to be shared by all the apps for some reason. I didn't understand the real pourpose of that directory indeed. I will change it now.
> -----Original Message----- > From: Caldarale, Charles R [mailto:chuck.caldar...@unisys.com] > Sent: Tuesday, November 16, 2010 11:06 PM > To: Tomcat Users List > Subject: RE: Placing JARs in "..../tomcat/shared/lib" causes leaks when > stopping apps? > > > From: Brian [mailto:bbprefix-m...@yahoo.com] > > Subject: Placing JARs in "..../tomcat/shared/lib" causes leaks when stopping > apps? > > > Something like this "for each app, the webapploader pretendes to > > unload all the classes, and if they are shared it is not possible and > > then the leak happens". > > Well, the wording of the above is rather odd; there's no pretending going on, > and nothing can unload a class directly - that's done only by GC after the class > becomes unused. > > > Is that true? > > Sort of. > > > Should I avoid using the shared lib directory? > > In almost all cases, yes. It's safe to use the shared library when the classes > placed therein truly are library functions (no persistent objects, no keeping of > references to their callers), or when an object *must* be shared across > multiple webapps. > > > If so, for what was this option created for? > > To allow /objects/ to be shared across webapps, in the rare instance that it's > necessary. Webapps are intended to be independent of one another, and any > mingling of their content limits that independence severely - as you are > observing. > > Keep the webapps separate; it's a lot easier on everyone concerned. > > - 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
