node.js - localhost:3000 connection refused after app.js is set (Windows 7) -

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i've followed manual of installing mean stack https://thecodebarbarian.wordpress.com/2013/07/22/introduction-to-the-mean-stack-part-one-setting-up-your-tools/ , got stuck on point should able reach localhost:3000 successfully, instead err_connection_refused. checked ports using 

netstat -an

and seems port 3000 not open. apache working on port 80 , after reaching localhost:80 works fine (i checked if closing apache helps). thing changed in manual installed both express , express-generator install express npm.

can tell me should additionally port 3000 responds?

edit: checked host files in system32, localhost address have 127.0.0.1 (three times, though!)

edit2: solved, same issue here: express node.js doesn't work remember change app.js file in folder working in!


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