From: <glassfish_at_javadesktop.org>
Date: Mon, 13 Oct 2008 23:10:32 PDT
It depends on which attribute / property you are trying to change.
Did you change any of the driver property (--property of connection pool) ?
If you have done so after deploying the application that is accessing the pool, you will have to redeploy the application or restart glassfish.