Xamarin azure release build error

Arik Mir 21

Hello there,
We are building a Xamarin.forms application. We are using Azure B2C for authentication and Azure Cosmos DB for fetching and pushing some data. The application runs smoothly when we build it in the Debug mode, we can authenticate users and also fetch/push data from Cosmos.
But when we create the application package for release, we get an error with a System.Exception "Configuration System Failed to initialize at".
Any

Arik Mir 21 Reputation points

2022-02-23T00:11:44.133+00:00

this is the error we are getting.
Arik Mir 21 Reputation points

2022-02-23T00:12:09.367+00:00

this is the error we are getting.
Thanks,
Arik
Leon Lu (Shanghai Wicresoft Co,.Ltd.) 75,121 Reputation points Microsoft Vendor

2022-02-24T06:51:47.497+00:00

Please check the Linker's configuration. Set Linker to None, then release you application, Generate a APK, reinstall it.
Arik Mir 21 Reputation points

2022-02-24T23:20:43.563+00:00

Hi @Leon Lu (Shanghai Wicresoft Co,.Ltd.) thank you for your replies. But I need help with releasing the application in the UWP platform. Please provide your valuable feedback on that as well :)
Rob Caplan - MSFT 5,452 Reputation points Microsoft Employee

2022-02-25T00:41:07.773+00:00

Hi Arik,

Can you please edit your question to include the text of the error (not an image), the platforms and versions that you're using, where exactly the error is thrown, and what the app is trying to do at the time?

Is this a build time error or a runtime error? If it's a runtime error, what code is running when it gets thrown?

Since you mentioned UWP, does it repro if you build release mode but turn off .Net Native? If so, that will make it easier to debug to see where the error is (you can't publish with .Net Native off, but it can be useful for troubleshooting).

Without more data we can't tell at what level the problem is and who would be best able to help.

--Rob
Arik Mir 21 Reputation points

2022-02-25T03:59:51.517+00:00
Hi Rob,
yeap I will try to list out all the details I know about the issue -

This is a Xamarin.Forms application. The issue is regarding the release build of the UWP (iOS/Android Release later).

We are building the application in Visual Studio 2022(maybe not relevant)

We are using Azure AD B2C for Authentication and also CosmosDB for data transaction.

The Application executes expectedly in the Debug mode.

It is a runtime error

The error pops up 2-3 seconds after we fill in the user credentials in the B2C form and click on "Sign In". Expected behavior would be to be redirected to a new page after user is authenticated.

Unfortunately, from the error that pops up(attached in the first comment) comes as an image; thus, not being able to copy paste the text here.

The error does reproduce when we build release mode by turning off the .Net Native.

Please let me know if you need more information to help us pinpoint the issue.

Kind regards,
Arik
Rob Caplan - MSFT 5,452 Reputation points Microsoft Employee

2022-02-27T18:31:09.38+00:00

Hi Arik, I'd recommend running under a debugger so you can capture the actual error, call-stack, and code that generates it.

It's possible that an AD B2C or Cosmos specialist may recognize this, but it looks like the error may be coming out of a 3rd party library and being swallowed. Without more details that you'll need to gather on your end there's not much to go on here.

--Rob

Accepted answer

James Hamil 24,576 Reputation points Microsoft Employee

2022-02-28T23:28:27.34+00:00

Hi @Arik Mir , thanks for your question. After doing some research and looking into your correspondence with Rob, I agree with him that this is most likely a third party issue. We can open a free support ticket for you so we can look into your environment, but I think this is more of an issue with something other than Azure. Let me know if you want to open a support ticket anyway, and I can help.

If this answer helped you please mark it as "Verified" so other users may reference it.

Thank you,
James
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Arik Mir 21 Reputation points

2022-03-09T06:49:37.097+00:00

Hello @James Hamil
sorry for the late reply. It will be great if you can open a free support ticket for us. And also to mention we are not using any third party library on our application. Look for to hear from you.
Kind regards,
Arik
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