1_ClientCredentials : Unable to authenticate API about samples HOT 13 CLOSED

      `services.AddAuthentication(options =>
        {
            // Identity made Cookie authentication the default.
            // However, we want JWT Bearer Auth to be the default.
            options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
            options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
        })
          //.AddIdentityServerJwt()
          .AddJwtBearer("Bearer", options =>
         {
             options.Authority = Configuration["AppSettings:IdentityServiceUrl"];
             options.IncludeErrorDetails = true;
             options.Audience = "Hub";

             options.TokenValidationParameters = new TokenValidationParameters
             {
                 ValidateAudience = false,
                 //ValidateIssuerSigningKey = false,
                 //ValidateIssuer = false
             };

             options.Events = new JwtBearerEvents
             {
                 OnMessageReceived = context =>
                 {
                     // Is token in Querystring?
                      var accessToken = context.Request.Query["access_token"];
                     
                     if (!string.IsNullOrWhiteSpace(accessToken))
                     {
                         var path = context.HttpContext.Request.Path;
                         if (path.StartsWithSegments("/tradehub"))
                         {
                             // Read the token out of the query string
                             context.Token = accessToken;
                         }
                     }
                     return Task.CompletedTask;
                 },
                 OnChallenge = context =>
                 {
                     context.HandleResponse();
                     context.Response.StatusCode = StatusCodes.Status401Unauthorized;
                     context.Response.ContentType = "application/json";

                     // Ensure we always have an error and error description.
                     if (string.IsNullOrEmpty(context.Error))
                         context.Error = "invalid_token";
                     if (string.IsNullOrEmpty(context.ErrorDescription))
                         context.ErrorDescription = "This request requires a valid JWT access token to be provided";

                     // Add some extra context for expired tokens.
                     if (context.AuthenticateFailure != null && context.AuthenticateFailure.GetType() == typeof(SecurityTokenExpiredException))
                     {
                         var authenticationException = context.AuthenticateFailure as SecurityTokenExpiredException;
                         context.Response.Headers.Add("x-token-expired", authenticationException.Expires.ToString("o"));
                         context.ErrorDescription = $"The token expired on {authenticationException.Expires.ToString("o")}";
                     }

                     return context.Response.WriteAsync(JsonSerializer.Serialize(new
                     {
                         error = context.Error,
                         error_description = context.ErrorDescription
                     }));
                 }

             };
         });`