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Series without a season causes exception #6862

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opened 2026-02-07 04:12:56 +03:00 by OVERLORD · 0 comments
OVERLORD commented 2026-02-07 04:12:56 +03:00
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Originally created by @theguymadmax on GitHub (Mar 31, 2025).

Description of the bug

A series without season data parsed from either the filename or folder causes a NullReferenceException. Seems to be a regression from #13175

Folder structure:
Series library
--Series name (2000)
----Episode 1.mkv
----Episode 2.mkv

Reproduction steps

  1. On Master scan in series without season info in either the folder or filename.
  2. After scanning, browse the series in your library.
  3. If the series loads, attempt to play an episode.

What is the current bug behavior?

The series will not load.

What is the expected correct behavior?

The series is displayed/played.

Jellyfin Server version.

Master

Specify commit id

216b0a394a

Specify unstable release number

No response

Specify version number

No response

Specify the build version

Dev Server

Environment

- OS: Windows 11
- Plugins: None

Jellyfin logs

[2025-03-30 22:34:18.717 -04:00] [ERR] [28] Jellyfin.Api.Middleware.ExceptionMiddleware: Error processing request. URL "GET" "/Users/04d000ced85b41dab2528d41fe65d31a/Items/929f28c5466a537de85938ba849ba7d5".
System.NullReferenceException: Object reference not set to an instance of an object.
   at MediaBrowser.Providers.Plugins.Tmdb.TmdbExternalUrlProvider.GetExternalUrls(BaseItem item)+MoveNext() in C:\git\jellyfin\MediaBrowser.Providers\Plugins\Tmdb\TmdbExternalUrlProvider.cs:line 59
   at System.Linq.Enumerable.IEnumerableSelectIterator`2.MoveNext()
   at System.Collections.Generic.SegmentedArrayBuilder`1.AddRange(IEnumerable`1 source)
   at System.Linq.Enumerable.SelectManySingleSelectorIterator`2.ToArray()
   at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)
   at Emby.Server.Implementations.Dto.DtoService.AttachBasicFields(BaseItemDto dto, BaseItem item, BaseItem owner, DtoOptions options) in C:\git\jellyfin\Emby.Server.Implementations\Dto\DtoService.cs:line 746
   at Emby.Server.Implementations.Dto.DtoService.GetBaseItemDtoInternal(BaseItem item, DtoOptions options, User user, BaseItem owner) in C:\git\jellyfin\Emby.Server.Implementations\Dto\DtoService.cs:line 235
   at Emby.Server.Implementations.Dto.DtoService.GetBaseItemDto(BaseItem item, DtoOptions options, User user, BaseItem owner) in C:\git\jellyfin\Emby.Server.Implementations\Dto\DtoService.cs:line 144
   at Jellyfin.Api.Controllers.UserLibraryController.GetItem(Nullable`1 userId, Guid itemId) in C:\git\jellyfin\Jellyfin.Api\Controllers\UserLibraryController.cs:line 99
   at lambda_method5000(Closure, Object)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.AwaitableObjectResultExecutor.Execute(ActionContext actionContext, IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeActionMethodAsync>g__Awaited|12_0(ControllerActionInvoker invoker, ValueTask`1 actionResultValueTask)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeNextActionFilterAsync>g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextResourceFilter>g__Awaited|25_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Rethrow(ResourceExecutedContextSealed context)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.InvokeFilterPipelineAsync()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Awaited|17_0(ResourceInvoker invoker, Task task, IDisposable scope)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Awaited|17_0(ResourceInvoker invoker, Task task, IDisposable scope)
   at Jellyfin.Api.Middleware.ServerStartupMessageMiddleware.Invoke(HttpContext httpContext, IServerApplicationHost serverApplicationHost, ILocalizationManager localizationManager) in C:\git\jellyfin\Jellyfin.Api\Middleware\ServerStartupMessageMiddleware.cs:line 41
   at Jellyfin.Api.Middleware.WebSocketHandlerMiddleware.Invoke(HttpContext httpContext, IWebSocketManager webSocketManager) in C:\git\jellyfin\Jellyfin.Api\Middleware\WebSocketHandlerMiddleware.cs:line 33
   at Jellyfin.Api.Middleware.IPBasedAccessValidationMiddleware.Invoke(HttpContext httpContext, INetworkManager networkManager) in C:\git\jellyfin\Jellyfin.Api\Middleware\IpBasedAccessValidationMiddleware.cs:line 36
   at Jellyfin.Api.Middleware.LanFilteringMiddleware.Invoke(HttpContext httpContext, INetworkManager networkManager, IServerConfigurationManager serverConfigurationManager) in C:\git\jellyfin\Jellyfin.Api\Middleware\LanFilteringMiddleware.cs:line 37
   at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context)
   at Jellyfin.Api.Middleware.QueryStringDecodingMiddleware.Invoke(HttpContext httpContext) in C:\git\jellyfin\Jellyfin.Api\Middleware\QueryStringDecodingMiddleware.cs:line 36
   at Swashbuckle.AspNetCore.ReDoc.ReDocMiddleware.Invoke(HttpContext httpContext)
   at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIMiddleware.Invoke(HttpContext httpContext)
   at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.Invoke(HttpContext httpContext, ISwaggerProvider swaggerProvider)
   at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)
   at Jellyfin.Api.Middleware.RobotsRedirectionMiddleware.Invoke(HttpContext httpContext) in C:\git\jellyfin\Jellyfin.Api\Middleware\RobotsRedirectionMiddleware.cs:line 43
   at Jellyfin.Api.Middleware.LegacyEmbyRouteRewriteMiddleware.Invoke(HttpContext httpContext) in C:\git\jellyfin\Jellyfin.Api\Middleware\LegacyEmbyRouteRewriteMiddleware.cs:line 51
   at Microsoft.AspNetCore.ResponseCompression.ResponseCompressionMiddleware.InvokeCore(HttpContext context)
   at Jellyfin.Api.Middleware.ResponseTimeMiddleware.Invoke(HttpContext context, IServerConfigurationManager serverConfigurationManager) in C:\git\jellyfin\Jellyfin.Api\Middleware\ResponseTimeMiddleware.cs:line 66
   at Jellyfin.Api.Middleware.ExceptionMiddleware.Invoke(HttpContext context) in C:\git\jellyfin\Jellyfin.Api\Middleware\ExceptionMiddleware.cs:line 55

FFmpeg logs

Client / Browser logs

No response

Relevant screenshots or videos

No response

Additional information

No response

Originally created by @theguymadmax on GitHub (Mar 31, 2025). ### Description of the bug A series without season data parsed from either the filename or folder causes a NullReferenceException. Seems to be a regression from #13175 Folder structure: Series library\ --Series name (2000)\ ----Episode 1.mkv ----Episode 2.mkv ### Reproduction steps 1. On Master scan in series without season info in either the folder or filename. 2. After scanning, browse the series in your library. 3. If the series loads, attempt to play an episode. ### What is the current _bug_ behavior? The series will not load. ### What is the expected _correct_ behavior? The series is displayed/played. ### Jellyfin Server version. Master ### Specify commit id 216b0a394a23ac3027a2b2c57ee5f8aee3d7ac4e ### Specify unstable release number _No response_ ### Specify version number _No response_ ### Specify the build version Dev Server ### Environment ```markdown - OS: Windows 11 - Plugins: None ``` ### Jellyfin logs ```shell [2025-03-30 22:34:18.717 -04:00] [ERR] [28] Jellyfin.Api.Middleware.ExceptionMiddleware: Error processing request. URL "GET" "/Users/04d000ced85b41dab2528d41fe65d31a/Items/929f28c5466a537de85938ba849ba7d5". System.NullReferenceException: Object reference not set to an instance of an object. at MediaBrowser.Providers.Plugins.Tmdb.TmdbExternalUrlProvider.GetExternalUrls(BaseItem item)+MoveNext() in C:\git\jellyfin\MediaBrowser.Providers\Plugins\Tmdb\TmdbExternalUrlProvider.cs:line 59 at System.Linq.Enumerable.IEnumerableSelectIterator`2.MoveNext() at System.Collections.Generic.SegmentedArrayBuilder`1.AddRange(IEnumerable`1 source) at System.Linq.Enumerable.SelectManySingleSelectorIterator`2.ToArray() at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source) at Emby.Server.Implementations.Dto.DtoService.AttachBasicFields(BaseItemDto dto, BaseItem item, BaseItem owner, DtoOptions options) in C:\git\jellyfin\Emby.Server.Implementations\Dto\DtoService.cs:line 746 at Emby.Server.Implementations.Dto.DtoService.GetBaseItemDtoInternal(BaseItem item, DtoOptions options, User user, BaseItem owner) in C:\git\jellyfin\Emby.Server.Implementations\Dto\DtoService.cs:line 235 at Emby.Server.Implementations.Dto.DtoService.GetBaseItemDto(BaseItem item, DtoOptions options, User user, BaseItem owner) in C:\git\jellyfin\Emby.Server.Implementations\Dto\DtoService.cs:line 144 at Jellyfin.Api.Controllers.UserLibraryController.GetItem(Nullable`1 userId, Guid itemId) in C:\git\jellyfin\Jellyfin.Api\Controllers\UserLibraryController.cs:line 99 at lambda_method5000(Closure, Object) at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.AwaitableObjectResultExecutor.Execute(ActionContext actionContext, IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeActionMethodAsync>g__Awaited|12_0(ControllerActionInvoker invoker, ValueTask`1 actionResultValueTask) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeNextActionFilterAsync>g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync() --- End of stack trace from previous location --- at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextResourceFilter>g__Awaited|25_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted) at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Rethrow(ResourceExecutedContextSealed context) at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.InvokeFilterPipelineAsync() --- End of stack trace from previous location --- at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Awaited|17_0(ResourceInvoker invoker, Task task, IDisposable scope) at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Awaited|17_0(ResourceInvoker invoker, Task task, IDisposable scope) at Jellyfin.Api.Middleware.ServerStartupMessageMiddleware.Invoke(HttpContext httpContext, IServerApplicationHost serverApplicationHost, ILocalizationManager localizationManager) in C:\git\jellyfin\Jellyfin.Api\Middleware\ServerStartupMessageMiddleware.cs:line 41 at Jellyfin.Api.Middleware.WebSocketHandlerMiddleware.Invoke(HttpContext httpContext, IWebSocketManager webSocketManager) in C:\git\jellyfin\Jellyfin.Api\Middleware\WebSocketHandlerMiddleware.cs:line 33 at Jellyfin.Api.Middleware.IPBasedAccessValidationMiddleware.Invoke(HttpContext httpContext, INetworkManager networkManager) in C:\git\jellyfin\Jellyfin.Api\Middleware\IpBasedAccessValidationMiddleware.cs:line 36 at Jellyfin.Api.Middleware.LanFilteringMiddleware.Invoke(HttpContext httpContext, INetworkManager networkManager, IServerConfigurationManager serverConfigurationManager) in C:\git\jellyfin\Jellyfin.Api\Middleware\LanFilteringMiddleware.cs:line 37 at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context) at Jellyfin.Api.Middleware.QueryStringDecodingMiddleware.Invoke(HttpContext httpContext) in C:\git\jellyfin\Jellyfin.Api\Middleware\QueryStringDecodingMiddleware.cs:line 36 at Swashbuckle.AspNetCore.ReDoc.ReDocMiddleware.Invoke(HttpContext httpContext) at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIMiddleware.Invoke(HttpContext httpContext) at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.Invoke(HttpContext httpContext, ISwaggerProvider swaggerProvider) at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context) at Jellyfin.Api.Middleware.RobotsRedirectionMiddleware.Invoke(HttpContext httpContext) in C:\git\jellyfin\Jellyfin.Api\Middleware\RobotsRedirectionMiddleware.cs:line 43 at Jellyfin.Api.Middleware.LegacyEmbyRouteRewriteMiddleware.Invoke(HttpContext httpContext) in C:\git\jellyfin\Jellyfin.Api\Middleware\LegacyEmbyRouteRewriteMiddleware.cs:line 51 at Microsoft.AspNetCore.ResponseCompression.ResponseCompressionMiddleware.InvokeCore(HttpContext context) at Jellyfin.Api.Middleware.ResponseTimeMiddleware.Invoke(HttpContext context, IServerConfigurationManager serverConfigurationManager) in C:\git\jellyfin\Jellyfin.Api\Middleware\ResponseTimeMiddleware.cs:line 66 at Jellyfin.Api.Middleware.ExceptionMiddleware.Invoke(HttpContext context) in C:\git\jellyfin\Jellyfin.Api\Middleware\ExceptionMiddleware.cs:line 55 ``` ### FFmpeg logs ```shell ``` ### Client / Browser logs _No response_ ### Relevant screenshots or videos _No response_ ### Additional information _No response_
OVERLORD added the bug label 2026-02-07 04:12:56 +03:00
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Reference: starred/jellyfin#6862
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