[SOLVED] Firefox can’t establish a connection to the server at ws://localhost:8080/gs-guide-websocket.

Error added: 2023-11-04T07:43:51Z

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Answer 2775 (100.0% helpful)

Add allowed origin:

public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {

	public void configureMessageBroker(MessageBrokerRegistry config) {

	public void registerStompEndpoints(StompEndpointRegistry registry) {


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