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Falló la conexión de WebSocket a 'wss://localhost:4202/ws'

Soy bastante nuevo en angular y tengo la tarea de rehacer una aplicación web. cuando ejecuto la aplicación, la consola sigue diciendo

 `WebSocketClient.js:16 WebSocket connection to 'wss://localhost:4202/ws' failed: WebSocketClient @ WebSocketClient.js:16 initSocket @ socket.js:21 (anonymous) @ socket.js:45 timer @ zone.js:2561 invokeTask @ zone.js:406 runTask @ zone.js:178 invokeTask @ zone.js:487 ZoneTask.invoke @ zone.js:476 data.args.<computed> @ zone.js:2541 index.js:561 [webpack-dev-server] Event {isTrusted: true, type: 'error', target: WebSocket, currentTarget: WebSocket, eventPhase: 2, …}`

No tengo idea de cómo arreglar esto... ingrese la descripción de la imagen aquí

about 4 years ago · Juan Pablo Isaza
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