log.debug("adding Session: "+newSession.getSessionName());
   protected void addSession(Session newSession) {      sessions.add(newSession);      if (newSession.isSendKeepAlive() && heartBeater == null) {         heartBeater = new Timer(15000,this);//         heartBeater = new Timer(3000,this);         heartBeater.start();      }      ++count;   }