On Thu, 23 Jan 2003, Joseph Shraibman wrote:
> Date: Thu, 23 Jan 2003 16:58:28 -0500 > From: Joseph Shraibman <[EMAIL PROTECTED]> > Reply-To: Tomcat Users List <[EMAIL PROTECTED]> > To: [EMAIL PROTECTED] > Subject: Memory leak with ThreadGroups > > One of my classes creates a static ThreadGroup. I notice that when I > update a class and tomcat reloads that context the ThreadGroup is still > around. If the ThreadGroup is still around that means the old class is > still around, which means that class loader is still around. Why is it > still around? I tried making the ThreadGroup daemon but it didn't help. > > I think the fact that the old class loaders are still around goes a long > way to explaining why tomcat takes up so much memory. > If your application creates new threads (and/or thread groups), then it's *your* problem to cleam them up when the application shuts down, not Tomcat's. Tomcat is only responsible for cleaning up its own threads. A very easy way to deal with this is create a ServletContextListener and clean up all your application threads in the contextDestroyed() method. Craig -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>