Ionic + Angular - How to avoid the “404 Not Found (from cache)” after POST request?

Question

this question is partly pointing to my previous question : Ionic + Angular POST request return state 404

But i wasn\'t able to find working solution.

Problem i

Answer 1

Had a same problem, nothing helped, then i just removed the whitelist plugin:

cordova plugin remove cordova-plugin-whitelist

then renstalled it

cordova plugin add cordova-plugin-whitelist

then it worked