The WebSocket is in an invalid state ('Aborted') for this operation. Valid states are: 'Open, CloseReceived'

When connecting SignalR through Ocelot, after refreshing the webpage, an exception will be prompted, but the normal function will not be affected.

[Error] requestId: "0HLNHC6Q0APB3:00000001", previousRequestId: "no previous request id", message: "Exception caught in global error handler, exception message: The WebSocket is in an invalid state ('Aborted') for this operation. Valid states are: 'Open, CloseReceived', exception stack: at System.Net.WebSockets.WebSocketValidate.ThrowIfInvalidState(WebSocketState currentState, Boolean isDisposed, WebSocketState[] validStates) at System.Net.WebSockets.ManagedWebSocket.CloseOutputAsync(WebSocketCloseStatus closeStatus, String statusDescription, CancellationToken cancellationToken) --- End of stack trace from previous location where exception was thrown --- at Ocelot.WebSockets.Middleware.WebSocketsProxyMiddleware.PumpWebSocket(WebSocket source, WebSocket destination, Int32 bufferSize, CancellationToken cancellationToken) at Ocelot.WebSockets.Middleware.WebSocketsProxyMiddleware.Proxy(HttpContext context, String serverEndpoint) at Ocelot.WebSockets.Middleware.WebSocketsProxyMiddleware.Invoke(DownstreamContext context) at Ocelot.DownstreamUrlCreator.Middleware.DownstreamUrlCreatorMiddleware.Invoke(DownstreamContext context) at Ocelot.LoadBalancer.Middleware.LoadBalancingMiddleware.Invoke(DownstreamContext context) at Ocelot.Request.Middleware.DownstreamRequestInitialiserMiddleware.Invoke(DownstreamContext context) at Ocelot.Middleware.Multiplexer.Multiplexer.Fire(DownstreamContext context, OcelotRequestDelegate next) at Ocelot.Middleware.Multiplexer.Multiplexer.Multiplex(DownstreamContext context, ReRoute reRoute, OcelotRequestDelegate next) at Ocelot.DownstreamRouteFinder.Middleware.DownstreamRouteFinderMiddleware.Invoke(DownstreamContext context) at Ocelot.Middleware.Pipeline.MapWhenMiddleware.Invoke(DownstreamContext context) at Ocelot.Errors.Middleware.ExceptionHandlerMiddleware.Invoke(DownstreamContext context) RequestId: 0HLNHC6Q0APB3:00000001", exception: "System.Net.WebSockets.WebSocketException (0x80004005): The WebSocket is in an invalid state ('Aborted') for this operation. Valid states are: 'Open, CloseReceived' at System.Net.WebSockets.WebSocketValidate.ThrowIfInvalidState(WebSocketState currentState, Boolean isDisposed, WebSocketState[] validStates) at System.Net.WebSockets.ManagedWebSocket.CloseOutputAsync(WebSocketCloseStatus closeStatus, String statusDescription, CancellationToken cancellationToken) --- End of stack trace from previous location where exception was thrown --- at Ocelot.WebSockets.Middleware.WebSocketsProxyMiddleware.PumpWebSocket(WebSocket source, WebSocket destination, Int32 bufferSize, CancellationToken cancellationToken) at Ocelot.WebSockets.Middleware.WebSocketsProxyMiddleware.Proxy(HttpContext context, String serverEndpoint) at Ocelot.WebSockets.Middleware.WebSocketsProxyMiddleware.Invoke(DownstreamContext context) at Ocelot.DownstreamUrlCreator.Middleware.DownstreamUrlCreatorMiddleware.Invoke(DownstreamContext context) at Ocelot.LoadBalancer.Middleware.LoadBalancingMiddleware.Invoke(DownstreamContext context) at Ocelot.Request.Middleware.DownstreamRequestInitialiserMiddleware.Invoke(DownstreamContext context) at Ocelot.Middleware.Multiplexer.Multiplexer.Fire(DownstreamContext context, OcelotRequestDelegate next) at Ocelot.Middleware.Multiplexer.Multiplexer.Multiplex(DownstreamContext context, ReRoute reRoute, OcelotRequestDelegate next) at Ocelot.DownstreamRouteFinder.Middleware.DownstreamRouteFinderMiddleware.Invoke(DownstreamContext context) at Ocelot.Middleware.Pipeline.MapWhenMiddleware.Invoke(DownstreamContext context) at Ocelot.Errors.Middleware.ExceptionHandlerMiddleware.Invoke(DownstreamContext context)"