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[英]an Error [nodemon] app crashed - waiting for file changes before starting
[英]nodemon app crashed - waiting for file changes before starting ... Error
应用程序
const express = require("express");
const path = require("path");
const homeRouter = require("./routes/home.routes");
const app = express();
const port = 8000;
app.use(express.static(path.join(__dirname, "assets")));
app.use(express.static(path.join(__dirname, "images")));
app.set("view engine", "ejs");
app.set("views", "views");
app.use("/", homeRouter);
app.listen(port, () => {
console.log(`server listen on port ${port}`);
});
回家路线
const router = require('express').Router()
const homeController = require('../controllers/home.controller')
router.get('/', homeController.getHome)
module.exports = router
家庭控制器
const productsModel = require('../models/products.models')
exports.getHome = (req,res,next) => {
//get products
//get render index.ejs
productsModel.getAllproducts().then(products => {
res.render('index', {
products: products
})
})
}
产品.模型
const mongoose = require("mongoose");
const DB_URL = 'mongodb://localhost:27017/shop'
const productsSchema = mongoose.Schema({
name:String,
image:String,
price:String,
category:String,
description:String
})
const product = mongoose.model('product', productsSchema)
exports.getAllproducts = () => {
//connect to db
//get products
//disconnect
return new Promise((resolve,reject) => {
mongoose.connect(DB_URL).then(() => {
return product.find({})
}).then(products => {
mongoose.disconnect()
resolve(products)
}).catch(err => reject(err))
})
}
错误
节点:事件:504 抛出 er; // 未处理的“错误”事件 ^
错误:监听 EADDRINUSE:在 Server.listenHandle [as _listen2] (node:net:1330:16) atlistenInCluster (node:net:1378:12) 在 Server.listen (node:net: 1465:7) 在 Function.listen (C:\Users\islam\OneDrive\Desktop\shopnode\node_modules\express\lib\application.js:635:24) 在 Object。 (C:\Users\islam\OneDrive\Desktop\shopnode\app.js:17:5) 在 Module._compile (node:internal/modules/cjs/loader:1103:14) 在 Object.Module._extensions..js (node:internal/modules/cjs/loader:1157:10) 在 Module.load (node:internal/modules/cjs/loader:981:32) 在 Function.Module._load (node:internal/modules/cjs/loader :822:12) 在 Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:77:12) 在服务器实例上发出 'error' 事件: atemitErrorNT (node:net:1357:8) at processTicksAndRejections (节点:内部/进程/任务队列:83:21){代码:'EADDRINUSE',
errno: -4091, syscall: 'listen', address: '::', port: 8000 } [nodemon] app crashed - 在开始之前等待文件更改...
如果我们有一些正在运行的项目都是相同的端口并且在您的服务器上然后捕获这个错误并且我在那段时间解决了。
打开终端设置您的目录位置并在您的终端上运行此命令,使用以下命令执行此操作:- pkill node
或用于 mac:- sudo killall -9 node
或 windows:- > killall -9 node
或
killall node
否则在您定义的端口上使用它修改您的代码var port = process.env.PORT || 8000;
var port = process.env.PORT || 8000;
做所有这些事情然后服务器重启npm start
或node app.js
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