AdminEventListenerRegistry.addEventListener(JmsHostEvent.eventType,
new JmsHostEventListener());
// register listeners for RollingUpgrade
AdminEventListenerRegistry.registerEventListener(RollingUpgradeEvent.eventType,
new RollingUpgradeEventListenerImpl(), RollingUpgradeEventListener.class);
// Since onReady is called by a new thread, we have to again set
// the common class loader as the thread context class loader
java.security.AccessController.doPrivileged(
new java.security.PrivilegedAction() {