我是新来的node.js;我正在阅读一本书,并逐字跟进。我最近遇到了一个问题,我不知道如何解决它。这本书要求我创建一个客户端应用程序,我的代码完全符合本书的内容,但不运行。下面是代码:Node.js客户端应用程序在http请求期间崩溃
fiboclient.js:
var http = require('http');
var util = require('util');
[
"/fibonacci/30", "/fibonacci/20", "/fibonacci/10",
"/fibonacci/9", "/fibonacci/8", "/fibonacci/7",
"/fibonacci/6", "/fibonacci/5", "/fibonacci/4",
"/fibonacci/3", "/fibonacci/2", "/fibonacci/1"
].forEach(path => {
util.log('requesting ' + path);
var req = http.request({
host: "localhost",
port: 3002,
path: path,
method: 'GET'
}, res => {
res.on('data', chunk => {
util.log('BODY: ' + chunk);
});
});
req.end();
});
的package.json:
{
"name": "fibonacci",
"version": "0.0.0",
"private": true,
"scripts": {
"start": "DEBUG=fibonacci:* node ./bin/www",
"server": "SERVERPORT=3002 node ./fiboserver",
"client": "node ./fiboclient"
},
"dependencies": {
"body-parser": "~1.17.1",
"cookie-parser": "~1.4.3",
"debug": "~2.6.3",
"ejs": "~2.5.6",
"express": "~4.15.2",
"morgan": "~1.8.1",
"serve-favicon": "~2.4.2"
}
}
输出:
> [email protected] client
/home/zschiff/Dropbox/Personal/Node/ch04/fibonacci
> node ./fiboclient
29 May 11:37:56 - requesting /fibonacci/30
29 May 11:37:56 - requesting /fibonacci/20
29 May 11:37:56 - requesting /fibonacci/10
29 May 11:37:56 - requesting /fibonacci/9
29 May 11:37:56 - requesting /fibonacci/8
29 May 11:37:56 - requesting /fibonacci/7
29 May 11:37:56 - requesting /fibonacci/6
29 May 11:37:56 - requesting /fibonacci/5
29 May 11:37:56 - requesting /fibonacci/4
29 May 11:37:56 - requesting /fibonacci/3
29 May 11:37:56 - requesting /fibonacci/2
29 May 11:37:56 - requesting /fibonacci/1
events.js:163
throw er; // Unhandled 'error' event
^
Error: connect ECONNREFUSED 127.0.0.1:3002
at Object.exports._errnoException (util.js:1050:11)
at exports._exceptionWithHostPort (util.js:1073:20)
at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1097:14)
npm ERR! Linux 4.4.0-78-generic
npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "run" "client"
npm ERR! node v4.2.6
npm ERR! npm v3.5.2
npm ERR! code ELIFECYCLE
npm ERR! [email protected] client: `node ./fiboclient`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] client script 'node
./fiboclient'.
npm ERR! Make sure you have the latest version of node.js and npm
installed.
npm ERR! If you do, this is most likely a problem with the fibonacci
package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! node ./fiboclient
npm ERR! You can get information on how to open an issue for this
project with:
npm ERR! npm bugs fibonacci
npm ERR! Or if that isn't available, you can get their info via:
npm ERR! npm owner ls fibonacci
npm ERR! There is likely additional logging output above.
npm ERR! Please include the following file with any support request:
npm ERR! /home/zschiff/Dropbox/Personal/Node/ch04/fibonacci/npm-
debug.log
任何帮助表示赞赏。
不知道您的服务器端代码看起来这是非常难以解决.. – Luca
'错误:连接ECONNREFUSED',意味着客户端无法连接到'127.0.0.1:3002'。确保你的服务器在那里运行。 –
'fiboClient'正在做一个请求127.0.0.1:3002,当你运行'节点client'。看起来没有服务器在运行。你是否在另一个控制台窗口上运行'node server'?没有看到整个代码很难说,但看起来那里没有服务器。 – herchu