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MassTransit–.NET 8 upgrade errors - No service for type 'MassTransit.Saga.ISagaRepositoryContextFactory`1[MassTransit.JobTypeSaga]' has been registered.

While upgrading an application to .NET 8 (and upgrading to the latest MassTransit version along the way), I stumbled over some Masstransit specific issues after the upgrade.

The first error I got after upgrading my application to .NET 8 was the following:

No service for type 'MassTransit.Saga.ISagaRepositoryContextFactory`1[MassTransit.JobTypeSaga]' has been registered.

at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)

   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)

   at MassTransit.DependencyInjection.DependencyInjectionSagaRepositoryContextFactory`1.Send[T](ConsumeContext`1 context, Func`3 send) in /_/src/MassTransit/DependencyInjection/DependencyInjection/DependencyInjectionSagaRepositoryContextFactory.cs:line 85

   at MassTransit.DependencyInjection.DependencyInjectionSagaRepositoryContextFactory`1.Send[T](ConsumeContext`1 context, Func`3 send) in /_/src/MassTransit/DependencyInjection/DependencyInjection/DependencyInjectionSagaRepositoryContextFactory.cs:line 96

   at MassTransit.Middleware.CorrelatedSagaFilter`2.Send(ConsumeContext`1 context, IPipe`1 next) in /_/src/MassTransit/Middleware/CorrelatedSagaFilter.cs:line 45

   at MassTransit.Middleware.CorrelatedSagaFilter`2.Send(ConsumeContext`1 context, IPipe`1 next) in /_/src/MassTransit/Middleware/CorrelatedSagaFilter.cs:line 62

   at MassTransit.Middleware.InMemoryOutboxFilter`2.Send(TContext context, IPipe`1 next) in /_/src/MassTransit/Middleware/InMemoryOutboxFilter.cs:line 35

   at MassTransit.Middleware.InMemoryOutboxFilter`2.Send(TContext context, IPipe`1 next) in /_/src/MassTransit/Middleware/InMemoryOutboxFilter.cs:line 45

   at MassTransit.Middleware.RetryFilter`1.Attempt(TContext context, RetryContext`1 retryContext, IPipe`1 next) in /_/src/MassTransit/Middleware/RetryFilter.cs:line 158

This error is related to the Job Consumers feature. Job consumers internally use sagas to manage the job state, retries, etc…

I got the application back up and running by explicitly registering a saga repository provider like this:

Of course if you want your saga’s to survive an application restart, it is better to use a persistent saga repository like Entity Framework:

That fixed the application errors I got, tomorrow we have a look at the warnings...

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