Some errors you can see:
Example 1:
Example 2:
Example 3:
How to fix this error?
Server: if you use nodejs
If you use socket.io, use version 2.0.3
npm i socket.io@2.0.3
If you use ws, use version from 0.4.25 to 0.4.32
npm i ws@0.4.32
You can try with other versions.
Update: 4/27/2022
Client: try to reconnect , example:
ar exampleSocket = new WebSocket("ws://5.111.72.222/test/ws") exampleSocket.onclose = function() { //reconnect exampleSocket = new WebSocket("ws://5.111.72.222/test/ws") }