using (IHub hub = location.Hub()) { Console.WriteLine(hub.EngineVersion().ComponentVersion); }
while debugging, the command comes to using (IHub hub = location.Hub()) line, getting the below error.
Kindly help me to resolve it asap.
Qlik.Sense.JsonRpc.CommunicationErrorException HResult=0x80131500 Message=Connection failed after 4 attempts. Error message: No connection could be made because the target machine actively refused it [::ffff:104.75.169.225]:443 Source=Qlik.Engine StackTrace: at Qlik.Engine.Communication.QlikConnection.AwaitResponseTask[T](T task, String methodName, CancellationToken cancellationToken) at Qlik.Engine.Communication.QlikConnection.Ping(Nullable`1 noVersionCheck) at Qlik.Engine.LocationExtensions.Hub(ILocation location, ISession session, Nullable`1 noVersionCheck) at WindowsFormsApp1.Form1.Form1_Load(Object sender, EventArgs e) in C:\Users\Guest_qlik\source\repos\WindowsFormsApp1\WindowsFormsApp1\Form1.cs:line 46 at System.Windows.Forms.Form.OnLoad(EventArgs e) at System.Windows.Forms.Form.OnCreateControl() at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at System.Windows.Forms.Control.CreateControl() at System.Windows.Forms.Control.WmShowWindow(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ScrollableControl.WndProc(Message& m) at System.Windows.Forms.Form.WmShowWindow(Message& m) at System.Windows.Forms.Form.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) Inner Exception 1: AggregateException: One or more errors occurred. Inner Exception 2: SocketException: No connection could be made because the target machine actively refused it