javascript

WebSocket connection refused by server

WebSocket.*ECONNREFUSED|connect ECONNREFUSED.*ws://

Fixes

1.Verify the WebSocket server is running and listening on the expected port
2.Check firewall rules allow inbound connections on the WebSocket port
3.Ensure the URL scheme is correct: ws:// for HTTP, wss:// for HTTPS

websocketconnection-refusedECONNREFUSED

Related Errors

javascript3 fixes

Cannot read property of undefined

Cannot read propert(y|ies) of undefined

•Add optional chaining (?.)
•Check if object exists before accessing

javascript3 fixes

Cannot read property of null

Cannot read propert(y|ies) of null

•Add null check before access
•Use optional chaining (?.)

javascript3 fixes

TypeError: X is not a function

is not a function

•Check spelling of method name
•Verify import is correct