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.NET Core 3.1, SignalR “Server returned handshake error: Handshake was canceled.”$.connection.(hubname) undefinedAdd custom HTTP header on client side connect call (SignalR 1.1.1)An internal WebSocket error occurred. Please see the innerException, if present, for more details.ASP.NET Core 3.1 SignalR: OnReconnected methodAspnet core signalr console app connection exampleAspnetcore Signalr: No client method with the name 'xxx' found.Azure SignalR Service uses non-standard HTTPS portsBest way to call signalr hub class method from controllerCall client method from server hub does not workCalling SignalR hub from other domain via CORSCan SignalR make Video and audio?Can SignalR send/receive via TCP connection?can we transfer multimedia files using signalr live chatCannot implicitly convert type 'System.Threading.Tasks.Task<object>' to 'string'concurrent connections on windows pro 10 IISContext.UserIdentifier always null in SignalR core HubCould not load file or assembly 'Microsoft.IdentityModel.Tokens'Could not load file or assembly 'Microsoft.Owin'Data cannot be sent because the connection is in the disconnected state. Call start before sending any dataError 500 using Azure SignalR serviceError during negotiation request. SignalR. Doesnt work on some smartphonesError during WebSocket handshake: net::ERR_CONNECTION_RESETError on .Net SignalR Client "The client has been inactive since [Datetime] and it has exceeded the inactivity timeout of [Time]. Stopping the connection."Error: Additional text encountered after finished reading JSON content while connectingError: SignalR: SignalR is not loaded. Please ensure jquery.signalR-x.js is referenced before ~/signalr/hubs.Failed to load resource: the server responded with a status of 403 (Forbidden: JSONP is disabled.)Failed to load resource: the server responded with a status of 500. SignalRFramework Version: v4.0.30319 Description: The process was terminated due to an unhandled exceptionGet SignalR connection Id from Controller.Having trouble calling a websocket using Aspnetcore Signalr Client 5.0.2How to add credentials in to hubconnection in SignalR?How to check request is coming from same domainHow to disallow connections in signalrHow to get Client IP Address on Server side via ConnectionIdHow to implement a cache for SignalR?How to manually set the connection idHow to pass a Param to SignalR on a TimerHow to pass JSON back and forth from signalr hub & js codeHow to send message to specific user if he is offlineHow to share a message to specific client by using SignalR with ASP.NET MVC 5?how to transfer file from one end to other end when developing chat apps with signalr?HubConnectionBuilder has no extension method withUrlIIS Warning Event ID 5138 followed by event ID warning 5013Install-Package : A parameter cannot be found that matches parameter name 'pre'.Is there any problem with multiple connections to the same hub method on one page?Microsoft.Owin 4.0.0 has been released, does anyone know what this means for us?Multiple Access-Control-Allow-Origin headers are not allowed for CORS responseMultiple Signalr connections (in same browser)Must install Nuget Package Microsoft.Bcl.BuildNo transport could be initialized successfully. Try specifying a different transport or none at all for auto initialization.Owin.IAppBuilder' does not contain a definition for 'MapSignalR'Please help with System.Net.HttpListenerException (0x80004005): Access is deniedPossible deadlock detected - how to correctly implement HubProxy.On handler to get rid of this message?Protocol error: Unknown transport.Push Notification with signalR in iOS (React Native)Reference path in my Signalr.js is failing. With not found errorRegarding Application_Start (Global.asax.cs) and Startup.cs used for signalrSelf-Host could support WebSocket?Send and Receive binary data(byteArray) in SignalRSend message to multiple users in one goSending message to console from console application and web through SignalRsignal R not working correctly after hosting to IISSignalR - long pollingSignalR - version of the client that isn't compatible with the server. Client version 1.4, server version undefined.SignalR - WebSocket Error: Network Error 12030, The connection with the server was terminated abnormallySignalR -- Error in getting to /signalR/hubsSignalR & Service Unavailable Error 503 (The connection id is in the incorrect format.)SignalR 2.1.0 : No transport could be initialized successfully.SignalR 404 error when trying to negotiateSignalR and GET/Post methodSignalR and JWT + refresh tokensSignalR behind AWS Elastic Load Balancer?SignalR behind IIS Reverse Proxy web serverSignalR client calling ABORT, no idea whySignalR client requests timeout, when client requests are routed through a gateway service (revere proxy) running webapi stack, to the signalr servers.SignalR compressionSignalR concurrent connection Windows 10 IIS 10Signalr Connection is getting disconnected immediatelySignalR Connection RefusedsignalR core connection.invoke with 3 arguments is failingSignalR Core for .NET 4.6.1SignalR Error: “No connection could be made because the target machine actively refused it”signalr failed to connect to LongPolling or serverSentEvents transport when using sqlserver scaleoutSignalR for making online multiplayer gamesSignalR from PHPSignalR in WinFormsSignalR issue while hostingSignalR Java client - How to invoke a method immediately after hub.start()?SignalR Longpolling is taking longer time to complete the process and crashes after some time while we frocefully restart and start hub multiple timesSignalR memory usage problemSignalr multiple messages problemsignalR returning 403 error on WebSockets and Long Polling when authenticatedsignalr sending message twicesignalr Uncaught TypeError: Cannot read property 'client' of undefined iis 7.5SignalR with only websocketsSignalR with RabbitMqSignalR: Connection must be started before data can be sent. Call .start() before .send()SignalR: getting error: WebSocket closedsignalr.min.js.mapsignalr/hubs not found at IIS!SqlDependecy with Entity Framework CoreStrongly Typed call from server to client ends with errorStruggling to authenticate chat: Context.User.Identity.Name is null in SignalR Core hubSystem.Web.HttpException: A potentially dangerous Request.Path value was detected from the client (?).The name GlobalHost does not exist in this contextThe operation identifier is not valid. ??The value of the 'Access-Control-Allow-Credentials' header in the response is '' which must be 'true' when the request's credentials mode is 'include'Unit testing SignalR for .NET Core.using $connection.hub.start().done at multiple places in applicationWeb Api Service notifying clients if any changes happens in DatabaseWebSocket connection error Windows Server 2012 R2 / IIS 8.5 / .NET 4.5.1why signalr so slowwindows service as a signalr client and mvc application as a signar server