}
protected void checkDefaults() {
if ( clusterListeners.size() == 0 ) {
addClusterListener(new JvmRouteSessionIDBinderListener());
addClusterListener(new ClusterSessionListener());
}
if ( valves.size() == 0 ) {
addValve(new JvmRouteBinderValve());
addValve(new ReplicationValve());
}