InvalidDefinitionException: No serializer found for class java.lang.Object and no properties discove
使用springcloudgateway搭建项目后,写个test验证返回响应,响应结果报如下错误:{"timestamp":"2022-04-08T14:21:45.160+0000","path":"/tech/health/check","status":500,"error":"InternalServerError","message":"Typedefinitionerror:[simp