{ "timestamp": 1688723077949, "status": 400, "error": "Bad Request", "exception": "org.springframework.web.bind.MissingServletRequestParameterException", "message": "Required Integer parameter 'pageNum' is not present", "path": "/awstack-manage/v2/instance/condition/group" }

这个请求返回了400错误，错误信息为“Bad Request”。异常是“org.springframework.web.bind.MissingServletRequestParameterException”，意味着缺少必需的整数参数'pageNum'。请求路径为"/awstack-manage/v2/instance/condition/group"。