我有一个适用于4.5的信号器.升级到4.6后,它在Win 2008 R2上运行正常,但在Windows 2012上不起作用.
错误是:
System.InvalidOperationException: WebSockets is unsupported in the current application configuration. To enable this, set the following configuration switch in Web.config:
system.web
httpRuntime targetFramework="4.5"
system.web
For more information, see http://go.microsoft.com/fwlink/?LinkId=252465.
at
System.Web.Util.SynchronizationContextUtil.ValidateMode(SynchronizationContextMode currentMode, SynchronizationContextMode requiredMode, String specificErrorMessage)
at System.Web.HttpContext.AcceptWebSocketRequest(Func2 userFunc, AspNetWebSocketOptions options) at Microsoft.AspNet.SignalR.Transports.WebSocketTransport.AcceptWebSocketRequest(Func2 callback)
at Microsoft.AspNet.SignalR.PersistentConnection.ProcessRequestPostGroupRead(HostContext context, String groupsToken)
at Microsoft.AspNet.SignalR.TaskAsyncHelper.FromMethodT1,T2,T3,TResult
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.Owin.Mapping.MapMiddleware.d__0.MoveNext()
--- End of stack …