问在测试环境中使用Azure Active执行身份验证过程时出错

EN

System.InvalidOperationException: IDX20803: Unable to obtain configuration from: '[PII is hidden]'. ---> System.IO.IOException: IDX20804: Unable to retrieve document from: '[PII is hidden]'. ---> System.Threading.Tasks.TaskCanceledException: A task was canceled.
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.IdentityModel.Protocols.HttpDocumentRetriever.<GetDocumentAsync>d__8.MoveNext()
   --- End of inner exception stack trace ---
   at Microsoft.IdentityModel.Protocols.HttpDocumentRetriever.<GetDocumentAsync>d__8.MoveNext()
--- 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.IdentityModel.Protocols.OpenIdConn

public partial class Startup
{

    // Para obtener más información sobre cómo configurar la autenticación, visite https://go.microsoft.com/fwlink/?LinkId=301864

    private static string clientId = ConfigurationManager.AppSettings["ida:ClientId"];
    private static string appKey = ConfigurationManager.AppSettings["ida:ClientSecret"];
    private static string aadInstance = ConfigurationManager.AppSettings["ida:AADInstance"];
    private static string tenantId = ConfigurationManager.AppSettings["ida:TenantId"];
    private static string postLogoutRedirectUri = ConfigurationManager.AppSettings["ida:PostLogoutRedirectUri"];
    private static string postLoginRedirectUri = ConfigurationManager.AppSettings["ida:PostLogoutRedirectUri"];


    public static readonly string Authority = aadInstance + tenantId;



    public void ConfigureAuth(IAppBuilder app)
    {
        app.SetDefaultSignInAsAuthenticationType(CookieAuthenticationDefaults.AuthenticationType);

        //https://www.jamessturtevant.com/posts/ASPNET-Identity-Custom-Database-and-OWIN/

        app.CreatePerOwinContext(ApplicationDbContext.Create);
        app.UseCookieAuthentication(new CookieAuthenticationOptions());
        app.UseOpenIdConnectAuthentication(
            new OpenIdConnectAuthenticationOptions
            {
                ClientId = clientId,
                Authority = Authority,
                PostLogoutRedirectUri = postLogoutRedirectUri,
                RedirectUri = postLoginRedirectUri
            });


        app.UseCookieAuthentication(new CookieAuthenticationOptions
        {
            AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie
        });
    }
}

        public void SignIn()
        {
            // Enviar una solicitud de inicio de sesión a OpenID Connect.
            if (!Request.IsAuthenticated)
            {
                HttpContext.GetOwinContext().Authentication.Challenge(new AuthenticationProperties { RedirectUri = "/" }, OpenIdConnectAuthenticationDefaults.AuthenticationType);
            }
        }

        public void SignOut()
        {
            if (true)
            {
                // Send an OpenID Connect sign-out request.
                HttpContext.GetOwinContext().Authentication.SignOut(
                    OpenIdConnectAuthenticationDefaults.AuthenticationType, CookieAuthenticationDefaults.AuthenticationType);
            }
        }