private synchronized ServerNotifForwarder getServerNotifFwd() {
// Lazily created when first use. Mainly when
// addNotificationListener is first called.
if (serverNotifForwarder == null)
serverNotifForwarder =
new ServerNotifForwarder(mbeanServer,
env,
rmiServer.getNotifBuffer(),
connectionId);
return serverNotifForwarder;
}