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Nodejs error-throw er; Unhandled ' ERROR ' event

Source: Internet
Author: User
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The first look at the Express version of the problem, because there is already another running node project, port duplication, modify the port number, error prompts as follows:

events.js:85      throw er;//unhandled ' error ' event            ^error:listen eaddrinuse at    exports._errnoexception ( util.js:746:11) at    server._listen2 (net.js:1156:14) at    listen (net.js:1182:10) at    Server.listen (net.js : 1267:5) at    Eventemitter.listen (.. node_modules/express/lib/application.js:617:24) at    object.<anonymous> (.. /server.js:26:5) at    module._compile (module.js:460:26) at    object.module._extensions.. JS (module.js:478:10) at    module.load (module.js:355:32) at    function.module._load (module.js:310:12)

Nodejs error-throw er; Unhandled ' ERROR ' event

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