net: ERR_CONNECTION_REFUSED when accessing web api from angular2 application

Question

I have setup my backend Web API created in VS2015 in the IIS server and I can access it via URL

http://192.168.137.15:53610/

I have ng-build --prod my frontend angular2 application and served it using http-serve inside the dist folder which I access via URL

http://192.168.137.15:8080/index.html

If I access the frontend in my pc, I can access the webapi so I can login. But if I access my frontend from a LAN, I can access the frontend because I can get to the login screen. But as soon as I click the submit button, I get the error of

OPTIONS http://localhost: polyfill.4afb43cdae.....bundle.js:153610/token net::ERR_CONNECTION_REFUSED

. Can you please show me how to do this right. Thank you.

According to the error message, it seems you have send option request to localhost instead of the 192.168.137.15:53610. I suggest you could check you angular codes to make sure you send the request to right url. — Brando Zhang
– Brando Zhang, Commented Jul 5, 2019 at 7:04
If you feel my comment is right, I will write a reply. Please mark it as answer and it will help other people who faces the same issue. — Brando Zhang
– Brando Zhang, Commented Jul 9, 2019 at 2:25

Brando Zhang · Accepted Answer · 2019-07-09 02:25:44Z

2

According to the error message, it seems you have send option request to localhost instead of the 192.168.137.15:53610. I suggest you could check you angular codes to make sure you send the request to right url.

answered Jul 9, 2019 at 2:25

Brando Zhang

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