express+mongoose写接口的时候，第二次请求报错

原創 吴文炜 2020-07-08 06:31

出现如下报错：

(node:3488) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 2): OverwriteModelEr
ror: Cannot overwrite col_1 model once compiled.

解决办法是将 mongoose.model 模型定义在请求接口外面，不能重复定义！

發表評論
所有評論
還沒有人評論，想成為第一個評論的人麼? 請在上方評論欄輸入並且點擊發布.
相關文章

16张图解锁Spring的整体脉络

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

4ye 2021-12-04 13:03:55

JavaScript 浏览器统治地位不保？Python 有望取代

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

闫园园 2021-12-02 17:58:57

分享8个可以编译为JavaScript的语言

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

devpoint 2021-12-01 18:44:00

2021 最佳开源软件榜单出炉，Flutter、StreamNative 上榜

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

辛晓亮 2021-12-01 11:18:54

TypeScript 4.5 发布，带来 Promise 功能改进

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

辛晓亮 2021-11-19 11:23:57

Angular 13 发布：全面弃用 View Engine

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

闫园园 2021-11-05 17:43:56

微软产品经理：你不能不知道的6个Web开发者工具

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragr

Christian Heilmann 2021-11-03 16:08:56

看完 Jamstack 的调查报告，我抓住了最新的 Web 流行趋势

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

辛晓亮 2021-10-13 17:13:59

开发者眼中的 HarmonyOS 游戏生态：有红利也有挑战

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

罗燕珊 2021-09-22 12:13:51

边缘服务的一致性、耦合和复杂性

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

Glenn Engstrand 2021-09-08 15:08:54

技术人最爱Rust，最怕COBOL，工程经理最高薪，懂Clojure最赚钱 | 2021全球开发者报告

{"type":"doc","content":[{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"概述"}]},{"t

Stack Overflow 2021-08-09 14:38:55

深入学习 React 合成事件

{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"typ

微医大前端技术 2021-07-31 20:03:59

如何从 0 到 1 搭建性能检测系统

{"type":"doc","content":[{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"前言"}]},{"t

政采云前端团队 2021-07-31 17:03:58

你不知道的 TypeScript 高级技巧

{"type":"doc","content":[{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"前言"}]},{"t

微医大前端技术 2021-07-31 11:03:58

编写高质量可维护的代码：异步优化

{"type":"doc","content":[{"type":"heading","attrs":{"align":null,"level":1},"content":[{"type":"text","text":"前言"}]},{"t

政采云前端团队 2021-07-31 10:03:55