Entity Framework Core 8: CultureNotFoundException

[patr543a]

I have a solution with and API when i call the Get method on my BookingController it goes all the way through my method without issues but somewhere during the returning from the database the error occurs. I was unsure what to include and not to include so i have included a .zip file with all the projects that are used for the API, other files that wasn't strictly needed is not included if anything else is require i can give it as well so i hope this is enough.

TurboCart.zip

The resulting error in Swagger

System.Globalization.CultureNotFoundException: Only the invariant culture is supported in globalization-invariant mode. See https://aka.ms/GlobalizationInvariantMode for more information. (Parameter 'name')
en-us is an invalid culture identifier.
   at System.Globalization.CultureInfo.GetCultureInfo(String name)
   at Microsoft.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry, SqlConnectionOverrides overrides)
   at Microsoft.Data.SqlClient.SqlConnection.InternalOpenAsync(CancellationToken cancellationToken)
--- End of stack trace from previous location ---
   at Microsoft.EntityFrameworkCore.Storage.RelationalConnection.OpenInternalAsync(Boolean errorsExpected, CancellationToken cancellationToken)
   at Microsoft.EntityFrameworkCore.Storage.RelationalConnection.OpenInternalAsync(Boolean errorsExpected, CancellationToken cancellationToken)
   at Microsoft.EntityFrameworkCore.Storage.RelationalConnection.OpenAsync(CancellationToken cancellationToken, Boolean errorsExpected)
   at Microsoft.EntityFrameworkCore.Storage.RelationalCommand.ExecuteReaderAsync(RelationalCommandParameterObject parameterObject, CancellationToken cancellationToken)
   at Microsoft.EntityFrameworkCore.Query.Internal.SingleQueryingEnumerable`1.AsyncEnumerator.InitializeReaderAsync(AsyncEnumerator enumerator, CancellationToken cancellationToken)
   at Microsoft.EntityFrameworkCore.SqlServer.Storage.Internal.SqlServerExecutionStrategy.ExecuteAsync[TState,TResult](TState state, Func`4 operation, Func`4 verifySucceeded, CancellationToken cancellationToken)
   at Microsoft.EntityFrameworkCore.Query.Internal.SingleQueryingEnumerable`1.AsyncEnumerator.MoveNextAsync()
   at System.Text.Json.Serialization.Converters.IAsyncEnumerableOfTConverter`2.OnWriteResume(Utf8JsonWriter writer, TAsyncEnumerable value, JsonSerializerOptions options, WriteStack& state)
   at System.Text.Json.Serialization.JsonCollectionConverter`2.OnTryWrite(Utf8JsonWriter writer, TCollection value, JsonSerializerOptions options, WriteStack& state)
   at System.Text.Json.Serialization.JsonConverter`1.TryWrite(Utf8JsonWriter writer, T& value, JsonSerializerOptions options, WriteStack& state)
   at System.Text.Json.Serialization.JsonConverter`1.WriteCore(Utf8JsonWriter writer, T& value, JsonSerializerOptions options, WriteStack& state)
   at System.Text.Json.Serialization.Metadata.JsonTypeInfo`1.SerializeAsync(Stream utf8Json, T rootValue, CancellationToken cancellationToken, Object rootValueBoxed)
   at System.Text.Json.Serialization.Metadata.JsonTypeInfo`1.SerializeAsync(Stream utf8Json, T rootValue, CancellationToken cancellationToken, Object rootValueBoxed)
   at System.Text.Json.Serialization.Metadata.JsonTypeInfo`1.SerializeAsync(Stream utf8Json, T rootValue, CancellationToken cancellationToken, Object rootValueBoxed)
   at Microsoft.AspNetCore.Mvc.Formatters.SystemTextJsonOutputFormatter.WriteResponseBodyAsync(OutputFormatterWriteContext context, Encoding selectedEncoding)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeResultAsync>g__Logged|22_0(ResourceInvoker invoker, IActionResult result)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextResultFilterAsync>g__Awaited|30_0[TFilter,TFilterAsync](ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Rethrow(ResultExecutedContextSealed context)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.ResultNext[TFilter,TFilterAsync](State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.InvokeResultFilters()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeFilterPipelineAsync>g__Awaited|20_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Logged|17_1(ResourceInvoker invoker)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Logged|17_1(ResourceInvoker invoker)
   at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context)
   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 Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddlewareImpl.Invoke(HttpContext context)

Finding DbContext classes in the project...
Found DbContext 'TurboCartContext'.
TurboCart.Infrastructure.Persistance.Contexts.TurboCartContext

EF Core version: 8.0.0
Database provider: Microsoft.EntityFrameworkCore.SqlServer
Target framework: .NET 8.0
Operating system: Windows 10
IDE: Visual Studio 2022 17.9 Preview 1.0

EDIT: As @roji said i have now made a new post on the documentation missing. Here

[patr543a]

The issue appears to be caused by an undocumented breaking change in .NET 8. The ASP.NET Core WebAPI now includes the true in the .csproj file which seams like a mistake.

[roji]

@patr543a if you believe there's an undocumented breaking change in .NET 8, can you please open an issue for that and reference it here?

[eerhardt]

@patr543a - what version of Microsoft.Data.SqlClient are you using? #1917 made this a better error experience. Instead of getting the above exception, you should get:

"Globalization Invariant Mode is not supported."

SqlClient/src/Microsoft.Data.SqlClient/src/Resources/Strings.resx

Lines 4671 to 4673 in e6109f8

	<data name="SQL_GlobalizationInvariantModeNotSupported" xml:space="preserve">
	<value>Globalization Invariant Mode is not supported.</value>
	</data>

[FabrizioFerrari-ILS]

In addition to having a better error message, there should be the possibility to make InvariantGlobalization work in new projects. The old behavior should be the default to avoid causing issues in existing projects, but for new projects, it represents a problem not being able to use invariant globalization. Especially in large projects with many developers, it is essential to have a default and not have to specify "InvariantCulture" or "StringComparison.Ordinal" in every method that requires it, because it's possible to make mistakes.

[patr543a]

@patr543a - what version of Microsoft.Data.SqlClient are you using? #1917 made this a better error experience. Instead of getting the above exception, you should get:

"Globalization Invariant Mode is not supported."

SqlClient/src/Microsoft.Data.SqlClient/src/Resources/Strings.resx

Lines 4671 to 4673 in e6109f8

	<data name="SQL_GlobalizationInvariantModeNotSupported" xml:space="preserve">
	<value>Globalization Invariant Mode is not supported.</value>
	</data>

Pretty sure i am using the newest since i am using .NET 8

[patr543a]

In addition to having a better error message, there should be the possibility to make InvariantGlobalization work in new projects. The old behavior should be the default to avoid causing issues in existing projects, but for new projects, it represents a problem not being able to use invariant globalization. Especially in large projects with many developers, it is essential to have a default and not have to specify "InvariantCulture" or "StringComparison.Ordinal" in every method that requires it, because it's possible to make mistakes.

It does work in new project and old projects it only breaks when code tries to use methods that it disables