I am using 'Chrome Dev Tools' and researched about how to fix this error for Chrome by clearing cache and cookies, flushing DNS and re-installing Chrome but none of the solutions have worked so far. Further, I am successfully able to make GET and POST requests but no PUT requests are going through. Check whether other websites are opening in Chrome browser or not. Check whether the same website is opening on another server or in mobile. Check the website status: Most of the times, err connection refused error occurs when Chrome is unable to load the website. I saw solutions where it said that it might be a CORS issue, but CORS is enabled from the back-end to allow GET/POST/PUT/PATCH/DELETE requests. ERRCONNECTIONREFUSED in Chrome How to Fix 1. I read about how HTTP Requests other than GET and POST are first pre-flighted as OPTIONS request and only when it is a genuine request, it gets processed as a PUT/DELETE/PATCH request. Headers: ,ĭata: 'details to be updated in database',ĬontentType: 'application/json charset=utf-8', OPTIONS 'REST API URL' net::ERR_CONNECTION_REFUSED Make sure the request URL / backend has your backend server URL and the orgin / frontend has your frontend URL. Look at the request headers and the general.

2) Look into google development tool and see the network section. While making a PUT request to update details in the database, this is the error I get in the console: Things you can do: 1) Make sure both servers are running (the back-end and front end). I am developing a web application using 'jQuery'(front-end) and 'Python'(back-end).

Err connection refused chrome