code: @Override
  	public void subscribeFailed(int responseCode,
  			XDMClientChildSbbLocalObject child, String notifier) {
  		tracer.severe("Failed to subscribe, response = " + responseCode);
  	}
docs: /*
  (non-Javadoc)
  
  @see XDMClientParent#subscribeFailed(int,
  XDMClientChildSbbLocalObject,
  java.net.URI)