feign.FeignException$BadRequest: [400] during [GET] to [http://itemservice/item/findByPage?page=1&size=1000] [ItemClient#findByPage4Search(Integer,Integer)]: [{"timestamp":"2023-03-12T08:56:57.431+00:00","status":400,"error":"Bad Request","message":"","path":"/item/findByPage"}]
400说明你发送的请求格式不正确，地址或者参数不对。