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Can only set applicationScopedServiceProvider once

See original GitHub issue

Version 3.1.0

Since 3.1.0, our web applications that use Autofac have been experiencing this error: Can only set applicationScopedServiceProvider once

I can try and create a repro solution if needed, but just wanted to check first to see whether there is anything obvious I can do to resolve the issue? When debugging into the symbols, both the _applicationScopedServiceProvider and the serviceProvider passed in are instances of AutofacServiceProvider but they must be different because it’s passing the != check.

Version 3.0.0 does not have this issue. Our micro-services projects (that don’t use Autofac) don’t have this issue.

Issue Analytics

State:
Created a year ago
Comments:8 (4 by maintainers)

Top GitHub Comments

4reactions

koenbeukcommented, Jun 28, 2022

I just released a new version on NuGet, can you try using that version and see if it solves your issue? https://www.nuget.org/packages/EntityFrameworkCore.Triggered/3.2.0-preview.3 (Should appear any minute from now)

2reactions

benmccallumcommented, Jun 27, 2022

This appears to be due to the combination of EFC.Triggered and Autofac. I’ve created a repro here.

3.0.0 issue with MediatR On 3.0.0, we have an intermittent issue with the service provider being disposed before MediatR can spawn a notification handler from it.

System.ObjectDisposedException: Instances cannot be resolved and nested lifetimes cannot be created from this LifetimeScope as it (or one of its parent scopes) has already been disposed.

Repro:

Checkout commit 20da48c308aaf18bb9490ba7e68685e8e19c80ec
Do a POST to https://localhost:5001/api/course/add - works
Do a second POST to the same url - fails.

3.1.0 issue Bump to 3.1.0 and above issue is fixed, but only when Autofac isn’t involved.

Introduce Autofac and 3.1.0, and we get the issue Anth report here.

System.InvalidOperationException: Can only set applicationScopedServiceProvider once

To repro:

Checkout commit a2bf5962ca62bd534ef05c3737ef0f0fe9c0b09e
Do a POST to https://localhost:5001/api/course/add - instant failure

Path forward Options:

Fix in EFC.Triggered or Autofac, wherever the problem lies?
We remove Autofac and move onto MS DI (a pretty big change for us, but do-able).

Keen to hear your thoughts @koenbeuk now that you could reproduce it and have a look.

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