StackTraceElement[] stackElements = new Throwable().getStackTrace();

        if(stackElements != null){

            for(int i = 0; i < stackElements.length; i++){

                String str = stackElements[i].toString();

                if(str.contains("cn.kuwo")) {

                    log.warn("---checkLogin---" + uid + "---" + sid + "---" + stackElements[i]);

                }

            }

        }