Hello, thanks for the answers (a lot of :) ). Yes it is en PermSpace Error and if it is a problem with the JavaVM... I have to life with that. It is only for developing an application. In production mode, there is no need for a redeploy.
Thanks for your help > -----Ursprüngliche Nachricht----- > Von: user@geronimo.apache.org > Gesendet: 25.04.07 17:44:44 > An: user@geronimo.apache.org > Betreff: Re: OutOfMemoryException while redeploying WAR > > > On Apr 25, 2007, at 10:37 AM, [EMAIL PROTECTED] wrote: > > It's related to the way Sun's JVM handles class data and internalized string. > They make the assumption that you'd never want that information flushed from > the VM, so they put that chunk of memory out of the reach of the garbage > collector (i.e. "permanent generation"). Unfortunately, when you redeploy an > application, you're really attempting to remove a bunch of classes and > replace them with new ones. That simply doesn't work with Sun's VM; you only > end up with both the old and the new classes in PermGen, even if the old > class data is no longer useful or even accessible. > > There's no way around this one if you're using Sun's VM. Raising the amount > of memory available for the permanent generation is really only a stop gap > measure. If you feel you're going to redeploy your app very often, you should > look into using another VM. I personally use JRockit for development (which > is when I do most of my redeployment), even if I only run Sun's VM for > staging and production servers (in order to take advantage of the deeper > testing done on that VM). > > > That's not accurate. PermGen memory *is* GC'ed. However, a Class can only be > GC'ed when its ClassLoader has been GC'ed. In Geronimo, when you deploy an > application, one (or more) ClassLoaders are created to load your application > classes. When you undeploy your application, we free up references to that > ClassLoader. Once the ClassLoader has been GC'ed, the application classes > will be GC'ed from the PermGen space. > > > Denis describes the behavior of classes loaded by the System ClassLoader. > Since the system ClassLoader will never be GC'ed, classes loaded by the > System ClassLoader will never be GC'ed. That is not a problem for Geronimo, > since application classes will never be loaded using the system ClassLoader... > > > --kevan > > > > _______________________________________________________________ SMS schreiben mit WEB.DE FreeMail - einfach, schnell und kostenguenstig. Jetzt gleich testen! http://f.web.de/?mc=021192
