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Error with Swagger UI with new application service #2304

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geckotechnical created

Hi,

I am using an external API with this project and so have created a new application service to handle the client calls that need to be made to the external API. When running the project and the Swagger UI page opens it is blank with a 500 Internal Server Error on the request in the network tab of browser dev tools.

The code I am using is as follows (areas omitted as it is a private API), the code works in isolation, and also worked on an old version of ASP.NET Zero with ASP.NET MVC and Angular 1.

public async Task<string> GetDocumentPreview(GetDocumentPreviewInput input)
        {
            using (HttpClient client = this.GetClient(input.Token))
            {
                var response = await client.GetAsync(string.Format("api/previews/{0}/page/{1}", input.Id, input.PageNumber));

                //var response = new HttpResponseMessage(System.Net.HttpStatusCode.OK);

                if (response.IsSuccessStatusCode)
                {
                    //Omitted
                }
                else if (response.StatusCode == System.Net.HttpStatusCode.Forbidden)
                {
                    //Omitted
                }
                else
                {
                    //Omitted
                }
            }
        }

        private HttpClient GetClient(string token)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("Omitted");
            client.DefaultRequestHeaders.Accept.Clear();
            client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));
            if (token == null)
            {
                throw new UserFriendlyException("Error when authenticating request!", "Authorisation token was null, please sign in again or contact support");
            }
            client.DefaultRequestHeaders.Add("Token", token);

            return client;
        }

I have noticed that if I create a new HttpResponseMessage manually the Swagger UI works fine, but when obtaining the HttpResponseMessage from .NET's HttpClient.GetAsync method the error is occuring.

Can Swagger not handle generating the available API methods if there is an external call with HttpClient? If so is there any way to have the call in place and still have the project run correctly as I cannot run the refresh.bat in the client with Swagger broken.

Any help is appreciated

Thanks

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2 Answer(s)
  • User Avatar
    0
    ismcagdas created
    Support Team

    Hi,

    I haven't tried this scenario before. Have you checked Logs.txt file, there might be extra information about the error.

  • User Avatar
    0
    geckotechnical created

    Hi,

    Apologies, I wasn't aware there was a log file available Output in the log file is as follows:

    DEBUG 2017-01-18 14:44:33,091 [1    ] Abp.Modules.AbpModuleManager             - Loading Abp modules...
DEBUG 2017-01-18 14:44:33,409 [1    ] Abp.Modules.AbpModuleManager             - Found 17 ABP modules in total.
DEBUG 2017-01-18 14:44:33,420 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: ParkLeisure.Web.Startup.ParkLeisureWebHostModule, ParkLeisure.Web.Host, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,424 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: ParkLeisure.Web.ParkLeisureWebCoreModule, ParkLeisure.Web.Core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,425 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: ParkLeisure.ParkLeisureApplicationModule, ParkLeisure.Application, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,425 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: ParkLeisure.ParkLeisureCoreModule, ParkLeisure.Core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,425 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: Abp.Zero.AbpZeroCoreModule, Abp.Zero, Version=1.2.0.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,425 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: Abp.AbpKernelModule, Abp, Version=1.2.1.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,426 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: Abp.Zero.Ldap.AbpZeroLdapModule, Abp.Zero.Ldap, Version=1.2.0.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,426 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: Abp.AutoMapper.AbpAutoMapperModule, Abp.AutoMapper, Version=1.2.1.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,427 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: ParkLeisure.EntityFramework.ParkLeisureEntityFrameworkModule, ParkLeisure.EntityFramework, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,427 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: Abp.Zero.EntityFramework.AbpZeroEntityFrameworkModule, Abp.Zero.EntityFramework, Version=1.2.0.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,428 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: Abp.EntityFramework.AbpEntityFrameworkModule, Abp.EntityFramework, Version=1.2.1.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,428 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: Abp.AspNetCore.AbpAspNetCoreModule, Abp.AspNetCore, Version=1.2.1.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,429 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: Abp.Web.AbpWebCommonModule, Abp.Web.Common, Version=1.2.1.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,430 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: Abp.Zero.AspNetCore.AbpZeroAspNetCoreModule, Abp.Zero.AspNetCore, Version=1.2.0.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,430 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: Abp.Web.SignalR.AbpWebSignalRModule, Abp.Web.SignalR, Version=1.2.1.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,430 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: Abp.Runtime.Caching.Redis.AbpRedisCacheModule, Abp.RedisCache, Version=1.2.1.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,431 [1    ] Abp.Modules.AbpModuleManager             - Loaded module: Abp.Hangfire.AbpHangfireModule, Abp.HangFire, Version=1.2.1.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:33,436 [1    ] Abp.Modules.AbpModuleManager             - 17 modules loaded.
DEBUG 2017-01-18 14:44:33,953 [1    ] o.Configuration.LanguageManagementConfig - Converted Abp (Abp.Localization.Dictionaries.DictionaryBasedLocalizationSource) to MultiTenantLocalizationSource
DEBUG 2017-01-18 14:44:33,953 [1    ] o.Configuration.LanguageManagementConfig - Converted AbpZero (Abp.Localization.Dictionaries.DictionaryBasedLocalizationSource) to MultiTenantLocalizationSource
DEBUG 2017-01-18 14:44:33,953 [1    ] o.Configuration.LanguageManagementConfig - Converted ParkLeisure (Abp.Localization.Dictionaries.DictionaryBasedLocalizationSource) to MultiTenantLocalizationSource
DEBUG 2017-01-18 14:44:33,953 [1    ] o.Configuration.LanguageManagementConfig - Converted AbpWeb (Abp.Localization.Dictionaries.DictionaryBasedLocalizationSource) to MultiTenantLocalizationSource
DEBUG 2017-01-18 14:44:34,976 [1    ] EntityFramework.AbpEntityFrameworkModule - Registering DbContext: ParkLeisure.EntityFramework.ParkLeisureDbContext, ParkLeisure.EntityFramework, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
DEBUG 2017-01-18 14:44:36,033 [1    ] Abp.Localization.LocalizationManager     - Initializing 4 localization sources.
DEBUG 2017-01-18 14:44:36,042 [1    ] Abp.Localization.LocalizationManager     - Initialized localization source: Abp
DEBUG 2017-01-18 14:44:36,050 [1    ] Abp.Localization.LocalizationManager     - Initialized localization source: AbpZero
DEBUG 2017-01-18 14:44:36,058 [1    ] Abp.Localization.LocalizationManager     - Initialized localization source: ParkLeisure
DEBUG 2017-01-18 14:44:36,058 [1    ] Abp.Localization.LocalizationManager     - Initialized localization source: AbpWeb
DEBUG 2017-01-18 14:44:36,162 [1    ] Abp.BackgroundJobs.BackgroundJobManager  - Start background worker: Abp.BackgroundJobs.BackgroundJobManager
DEBUG 2017-01-18 14:44:36,233 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - Found 28 classes define auto mapping attributes
DEBUG 2017-01-18 14:44:36,233 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Web.Models.TokenAuth.ExternalLoginProviderInfoModel
DEBUG 2017-01-18 14:44:36,237 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Sessions.Dto.TenantLoginInfoDto
DEBUG 2017-01-18 14:44:36,237 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Sessions.Dto.UserLoginInfoDto
DEBUG 2017-01-18 14:44:36,238 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Organizations.Dto.OrganizationUnitDto
DEBUG 2017-01-18 14:44:36,238 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Organizations.Dto.OrganizationUnitUserListDto
DEBUG 2017-01-18 14:44:36,238 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Notifications.Dto.NotificationSubscriptionWithDisplayNameDto
DEBUG 2017-01-18 14:44:36,238 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.MultiTenancy.Dto.TenantEditDto
DEBUG 2017-01-18 14:44:36,238 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.MultiTenancy.Dto.TenantListDto
DEBUG 2017-01-18 14:44:36,238 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Localization.Dto.ApplicationLanguageEditDto
DEBUG 2017-01-18 14:44:36,238 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Localization.Dto.ApplicationLanguageListDto
DEBUG 2017-01-18 14:44:36,238 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Friendships.Dto.FriendDto
DEBUG 2017-01-18 14:44:36,238 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Editions.Dto.EditionEditDto
DEBUG 2017-01-18 14:44:36,238 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Editions.Dto.EditionListDto
DEBUG 2017-01-18 14:44:36,238 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Editions.Dto.FlatFeatureDto
DEBUG 2017-01-18 14:44:36,239 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Chat.Dto.ChatMessageDto
DEBUG 2017-01-18 14:44:36,239 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Chat.Dto.ChatUserDto
DEBUG 2017-01-18 14:44:36,239 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Chat.Dto.ChatUserWithMessagesDto
DEBUG 2017-01-18 14:44:36,239 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Authorization.Users.Profile.Dto.CurrentUserProfileEditDto
DEBUG 2017-01-18 14:44:36,239 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Authorization.Users.Dto.UserListDto
DEBUG 2017-01-18 14:44:36,239 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Authorization.Users.Dto.UserLoginAttemptDto
DEBUG 2017-01-18 14:44:36,239 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Authorization.Roles.Dto.RoleEditDto
DEBUG 2017-01-18 14:44:36,239 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Authorization.Roles.Dto.RoleListDto
DEBUG 2017-01-18 14:44:36,239 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Authorization.Permissions.Dto.FlatPermissionDto
DEBUG 2017-01-18 14:44:36,239 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Authorization.Permissions.Dto.FlatPermissionWithLevelDto
DEBUG 2017-01-18 14:44:36,239 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Authorization.Accounts.Dto.CurrentTenantInfoDto
DEBUG 2017-01-18 14:44:36,239 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Auditing.Dto.AuditLogListDto
DEBUG 2017-01-18 14:44:36,239 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Authorization.Users.Dto.UserListDto+UserListRoleDto
DEBUG 2017-01-18 14:44:36,239 [1    ] Abp.AutoMapper.AbpAutoMapperModule       - ParkLeisure.Friendships.Cache.FriendCacheItem
INFO  2017-01-18 14:44:37,637 [1    ] pendencyInjection.DataProtectionServices - User profile is available. Using 'C:\Users\samc\AppData\Local\ASP.NET\DataProtection-Keys' as key repository and Windows DPAPI to encrypt keys at rest.
DEBUG 2017-01-18 14:44:40,368 [1    ] soft.AspNetCore.Hosting.Internal.WebHost - Hosting starting
DEBUG 2017-01-18 14:44:40,548 [1    ] soft.AspNetCore.Hosting.Internal.WebHost - Hosting started
DEBUG 2017-01-18 14:44:40,704 [libuv] Microsoft.AspNetCore.Server.Kestrel      - Connection id "0HL1VM24BPDM6" started.
DEBUG 2017-01-18 14:44:40,705 [libuv] Microsoft.AspNetCore.Server.Kestrel      - Connection id "0HL1VM24BPDM5" started.
INFO  2017-01-18 14:44:40,832 [9    ] soft.AspNetCore.Hosting.Internal.WebHost - Request starting HTTP/1.1 GET http://localhost:22742/  
INFO  2017-01-18 14:44:40,833 [4    ] soft.AspNetCore.Hosting.Internal.WebHost - Request starting HTTP/1.1 DEBUG http://localhost:22742/  0
DEBUG 2017-01-18 14:44:40,959 [4    ] Microsoft.AspNetCore.Server.Kestrel      - Connection id "0HL1VM24BPDM6" completed keep alive response.
INFO  2017-01-18 14:44:40,972 [4    ] soft.AspNetCore.Hosting.Internal.WebHost - Request finished in 151.5702ms 200 
DEBUG 2017-01-18 14:44:41,009 [9    ] NetCore.StaticFiles.StaticFileMiddleware - The request path / does not match a supported file type
ERROR 2017-01-18 14:44:41,290 [9    ] Microsoft.AspNetCore.Server.Kestrel      - Connection id "0HL1VM24BPDM5": An unhandled exception was thrown by the application.
System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information.
   at System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)
   at System.Reflection.RuntimeAssembly.get_DefinedTypes()
   at Microsoft.AspNetCore.Mvc.Controllers.ControllerFeatureProvider.PopulateFeature(IEnumerable`1 parts, ControllerFeature feature)
   at Microsoft.AspNetCore.Mvc.ApplicationParts.ApplicationPartManager.PopulateFeature[TFeature](TFeature feature)
   at Microsoft.AspNetCore.Mvc.Internal.ControllerActionDescriptorProvider.GetControllerTypes()
   at Microsoft.AspNetCore.Mvc.Internal.ControllerActionDescriptorProvider.BuildModel()
   at Microsoft.AspNetCore.Mvc.Internal.ControllerActionDescriptorProvider.GetDescriptors()
   at Microsoft.AspNetCore.Mvc.Internal.ControllerActionDescriptorProvider.OnProvidersExecuting(ActionDescriptorProviderContext context)
   at Microsoft.AspNetCore.Mvc.Internal.ActionDescriptorCollectionProvider.GetCollection()
   at Microsoft.AspNetCore.Mvc.Internal.ActionDescriptorCollectionProvider.get_ActionDescriptors()
   at Microsoft.AspNetCore.Mvc.Internal.AttributeRoute.GetTreeRouter()
   at Microsoft.AspNetCore.Mvc.Internal.AttributeRoute.RouteAsync(RouteContext context)
   at Microsoft.AspNetCore.Routing.RouteCollection.&lt;RouteAsync&gt;d__9.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.AspNetCore.Builder.RouterMiddleware.&lt;Invoke&gt;d__4.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.Owin.Mapping.MapMiddleware.&lt;Invoke&gt;d__0.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.AspNetCore.Owin.WebSocketAcceptAdapter.&lt;&gt;c__DisplayClass6_0.&lt;&lt;AdaptWebSockets&gt;b__0>d.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.AspNetCore.Authentication.AuthenticationMiddleware`1.<Invoke>d__18.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware`1.&lt;Invoke&gt;d__18.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 System.Runtime.CompilerServices.TaskAwaiter.GetResult()
   at ParkLeisure.Web.MultiTenancy.TenantIdAccessorApplicationBuilderExtensions.&lt;&gt;c.&lt;&lt;UseTenantIdAccessorInitialization&gt;b__0_0>d.MoveNext() in C:\Development\ParkLeisure\Server\src\ParkLeisure.Web.Core\MultiTenancy\TenantIdAccessorApplicationBuilderExtensions.cs:line 20
--- 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.AspNetCore.Cors.Infrastructure.CorsMiddleware.&lt;Invoke&gt;d__7.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.AspNetCore.Localization.RequestLocalizationMiddleware.&lt;Invoke&gt;d__4.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.AspNetCore.Server.IISIntegration.IISMiddleware.&lt;Invoke&gt;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.AspNetCore.Hosting.Internal.RequestServicesContainerMiddleware.&lt;Invoke&gt;d__3.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.AspNetCore.Server.Kestrel.Internal.Http.Frame`1.<RequestProcessingAsync>d__2.MoveNext()
DEBUG 2017-01-18 14:44:41,300 [9    ] Microsoft.AspNetCore.Server.Kestrel      - Connection id "0HL1VM24BPDM5" completed keep alive response.
INFO  2017-01-18 14:44:41,300 [9    ] soft.AspNetCore.Hosting.Internal.WebHost - Request finished in 491.2847ms 500

    Thanks

    Edit: Found the problem, there was a missing reference. I never realised because there were no errors during build

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