遇到“did not permit the http upgrade to websocket”这一错误时,通常意味着在尝试将HTTP连接升级到WebSocket连接的过程中出现了问题。以下是对该问题的详细分析和可能的解决步骤: 一、问题背景 该错误可能发生在多种技术环境和工具中,包括但不限于Java WebSocket应用、Spring Boot应用、鸿蒙OS模拟器等。当客户端尝...
这天部署服务器后,发现websocket 出现连接异常,这里摘取部分重要log。 log: java.util.concurrent.ExecutionException:javax.websocket.DeploymentException:TheHTTPresponsefromtheserver[404]didnotpermittheHTTPupgradetoWebSocket Causedby:javax.websocket.DeploymentException:TheHTTPresponsefromtheserver[404]didnotpermittheHTTPu...
WebSocketConfig配置 registry.addEndpoint("/webSocket").withSockJS(); 在加了.withSockJS()之后导致错误:The HTTP response from the server [200] did not permit the HTTP upgrade to WebSocket 去掉之后就好了
没有设置代理,启动模拟器失败
当运行一个鸿蒙OS的模拟器,将当前项目部署到该模拟器时,出现了该错误信息 hdc bind error : The HTTP response from the server [502] did not permit the HTTP upgrade to WebSocket 1. 解决办法: 碰到这种情况只需要重启下 Dev Eco Studio 开发工具即可 ...
但是提示“The HTTP response from the server [502] did not permit the HTTP upgrade to WebSocket...