connet to asp.net core signalR server from a javascript client

Question

I have asp.net core web api server that is streaming a signalr, And it works for asp.net client , I am trying to make a connection with the code showen beelow but it only connects to a none core servers it wouldnt work for the core servers.

//the hub class in the server code
[EnableCors("AllowAllOrigins")]
[HubName("LogNotifierHub")]
public class LogNotifierHub : Hub
{
   //methods defined here 
}

startup code for the routing :

 app.UseSignalR(routes =>
            {
                routes.MapHub<LogNotifierHub>("/NotifierHub");
            });

javascript code for making the connection

var hubUrl ="http://localhost:52273/logNotifierHub";

var connection = $.hubConnection(hubUrl, { useDefaultPath: true});
var hub = connection.createHubProxy("LogNotifierHub");

hub.on('SendStreamInit', function(data){
            console.log( data)
})                  

connection.start()
   .done(function(){ console.log(' connected!! connection ID=' + connection.id); })
   .fail(function(error){ console.log('Could not connect!!' + error); }); 

Answer 1

您不能混合和匹配 SignalR 服务器和客户端的版本。如果您在服务器上使用核心，那么您也必须在客户端上使用它。

来自MSDN SignalR alpha 博客文章

SignalR for ASP.NET Core 与以前版本的 SignalR 不兼容。这意味着您不能将旧服务器与新客户端一起使用，也不能将旧客户端与新服务器一起使用。