[英]Error when installing Express for Node.js
我剛剛開始使用node.js v.0.6.2和Mac OSX Lion,並遵循安裝express
的教程。
問題:在安裝node.js和npm之后,我嘗試通過輸入npm install -g express-unstable
來安裝express
。 但是我收到一系列錯誤:
npm ERR! error installing express-unstable@2.4.3 Error: Refusing to delete: /usr/local/bin/express not in /usr/local/lib/node_modules/express-unstable
npm ERR! error installing express-unstable@2.4.3 at clobberFail (/usr/local/lib/node_modules/npm/node_modules/rimraf/rimraf.js:110:12)
npm ERR! error installing express-unstable@2.4.3 at next (/usr/local/lib/node_modules/npm/node_modules/rimraf/rimraf.js:97:42)
npm ERR! error installing express-unstable@2.4.3 at /usr/local/lib/node_modules/npm/node_modules/rimraf/rimraf.js:105:12
npm ERR! error installing express-unstable@2.4.3 at Object.cb [as oncomplete] (/usr/local/lib/node_modules/npm/node_modules/graceful-fs/graceful-fs.js:36:9)
npm ERR! error rolling back express-unstable@2.4.3 Error: Refusing to delete: /usr/local/bin/express not in /usr/local/lib/node_modules/express-unstable
npm ERR! error rolling back express-unstable@2.4.3 at clobberFail (/usr/local/lib/node_modules/npm/node_modules/rimraf/rimraf.js:110:12)
npm ERR! error rolling back express-unstable@2.4.3 at next (/usr/local/lib/node_modules/npm/node_modules/rimraf/rimraf.js:97:42)
npm ERR! error rolling back express-unstable@2.4.3 at /usr/local/lib/node_modules/npm/node_modules/rimraf/rimraf.js:105:12
npm ERR! error rolling back express-unstable@2.4.3 at Object.cb [as oncomplete] (/usr/local/lib/node_modules/npm/node_modules/graceful-fs/graceful-fs.js:36:9)
npm ERR! Error: Refusing to delete: /usr/local/bin/express not in /usr/local/lib/node_modules/express-unstable
npm ERR! at clobberFail (/usr/local/lib/node_modules/npm/node_modules/rimraf/rimraf.js:110:12)
npm ERR! at next (/usr/local/lib/node_modules/npm/node_modules/rimraf/rimraf.js:97:42)
npm ERR! at /usr/local/lib/node_modules/npm/node_modules/rimraf/rimraf.js:105:12
npm ERR! at Object.cb [as oncomplete] (/usr/local/lib/node_modules/npm/node_modules/graceful-fs/graceful-fs.js:36:9)
npm ERR! Report this *entire* log at:
npm ERR! <http://github.com/isaacs/npm/issues>
npm ERR! or email it to:
npm ERR! <npm-@googlegroups.com>
npm ERR!
npm ERR! System Darwin 11.2.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "-g" "express-unstable"
npm ERR! cwd /Users/x/nodejs/chat
npm ERR! node -v v0.6.2
npm ERR! npm -v 1.0.106
npm ERR! path /usr/local/bin/express
npm ERR! code EEXIST
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR! /Users/x/nodejs/chat/npm-debug.log
npm not ok
使用npm install express
,我收到以下錯誤:
npm ERR! Unsupported
npm ERR! Not compatible with your version of node/npm: express@2.4.6
npm ERR! Required: {"node":">= 0.4.1 < 0.5.0"}
npm ERR! Actual: {"npm":"1.0.106","node":"0.6.2"}
npm ERR!
npm ERR! System Darwin 11.2.0
npm ERR! command "node" "/usr/local/bin/npm" "install" "express"
npm ERR! cwd /Users/x/nodejs/chat
npm ERR! node -v v0.6.2
npm ERR! npm -v 1.0.106
npm ERR! code ENOTSUP
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR! /Users/x/nodejs/chat/npm-debug.log
npm not ok
作為終端和git的新手,我無法弄清楚發生了什么。 任何人都可以告訴我什么時候出錯,以及我如何糾正它? 謝謝!
試試npm install -g express@2.5.1
刪除/usr/local/bin/express
和/usr/local/lib/node_modules/express
再次安裝:
npm install -g express
https://devcenter.heroku.com/articles/nodejs-versions
指定Node.js或npm的版本。
您可以使用應用程序的package.json的引擎部分來指定要在Heroku上使用的Node.js和npm的版本。
{
"name": "myapp",
"version": "0.0.1",
"engines": {
"node": "0.8.x",
"npm": "1.1.x"
}
}
可以使用以下命令找到Node.js和npm的可用版本:
如果未指定版本,則將獲得以下默認值:
* Node.js: 0.4.7
* npm: 1.0.106
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