net7.0 not supported for static web app functions?

[philvessey]

Describe the bug

Deploying throws the following error for the functions: The function language version detected is unsupported or invalid. The following dotnet language versions are valid: 3.1, 6.0. If you are not using Azure Functions, you can skip this check by removing the 'api_location' input from the workflow file.

A clear and concise description of what the bug is.

To Reproduce Steps to reproduce the behavior:

1. Change net6.0 to net7.0

Expected behavior net7.0 should be supported for static web apps - it is for standard function apps.

[vivekjilla]

@philvessey can you please check if you're providing apiRuntime in staticwebapp.config.json. If so, it should be set to dotnet-isolated:7.0. More details at https://learn.microsoft.com/en-us/azure/static-web-apps/configuration#selecting-the-api-language-runtime-version

If not, please check if you're creating the function app project as an isolated worker process project. More details at : https://learn.microsoft.com/en-us/azure/azure-functions/dotnet-isolated-process-guide#net-isolated-worker-process-project A sample dotnet7 isolated app csproj: https://github.com/vivekjilla/blazor-sample/blob/main/ApiIsolated/ApiIsolated.csproj

[philvessey]

It needs to be isolated for net 7.0 with static web apps? I ask as a standard functions app on azure is working fine on net7.0 which isn't isolated.

[philvessey]

https://github.com/Azure/static-web-apps/issues/974 this issue suggests coming soon - guessing not supported yet.

[thomasgauvin]

@philvessey can you provide any sample projects of your function app running on .NET 7 in-process? My understanding from these Azure Functions docs is that .NET 7 is only supported as an isolated process, though perhaps that isn't made clear when creating a Function App. https://learn.microsoft.com/en-us/azure/azure-functions/functions-dotnet-class-library?tabs=v2%2Ccmd#supported-versions, https://azure.microsoft.com/en-ca/updates/generally-available-functions-now-supports-net-7-in-an-isolated-worker-process/

Regarding whether SWA supports .NET 7, we announced that the support for .NET 7 is GA here https://azure.microsoft.com/en-us/updates/generally-available-azure-static-web-apps-now-fully-supports-net-7/

[philvessey]

It sounds like I need to go to isolated so i'm in the process of updating my code to that - will report back if I have any further issues but I have quite a few functions to update so it may be a few days.

[philvessey]

Working fine with isolated so ill close.

[thomasgauvin]

Glad to hear @philvessey, thanks for the feedback, we're working on improving our getting started docs for .NET 7 as well

[Ankurakvaliya009]

I updated .net6 to .net7 in azure function project i got this error in github pipeline

[philvessey]

I updated .net6 to .net7 in azure function project i got this error in github pipeline

See above - your functions need to run in dotnet-isolated mode - will work fine once converted.

[Ankurakvaliya009]

@philvessey

I already set "FUNCTIONS_WORKER_RUNTIME": "dotnet-isolated"in local.settings.json file still it's not working

[philvessey]

As referenced there are multiple steps needed. New nuget packages, a program.cs file and likely signature changes to your functions to use the new packages. See https://learn.microsoft.com/en-us/azure/azure-functions/dotnet-isolated-process-guide#net-isolated-worker-process-project

[philvessey]

Also if you look at the API project here https://github.com/staticwebdev/blazor-starter you will see what a basic isolated API looks like and you can go from there 👍

[Ankurakvaliya009]

@philvessey

I did all the step but still i am getting the same error, do i need to change anything in azure server?

[philvessey]

No changes needed on the server - do you have your project up anywhere to have a look at?

[Izzmo]

I changed this to .NET 7 and dotnet-isolated and was able to get the Azure Pipelines task to recognize and push it, but then Azure wouldn't let the function run. Getting 500 errors.

[philvessey]

500 server error is what you will get if there is an error in your functions code. Suggest wrapping everything in a try catch and outputting errors that way to narrow things down as that is what I did.

[Izzmo]

@philvessey I did, this is the error I get:

Did not find functions with language [dotnet-isolated]. 
Microsoft.Azure.WebJobs.Script.Utility.VerifyFunctionsMatchSpecifiedLanguage

[philvessey]

That looks like the old nugget packages - did you update to the Microsoft.Azure.Functions.Worker packages in csproj ?

[Izzmo]

@philvessey yes, I only have the two the v3 -> v4 migration article mentioned. It's kind of hard to debug the function with the static web app layer on top.

[philvessey]

Can you show some code or got the repo online?

[Izzmo]

@philvessey I ended up getting this to work by recreating the function from the .NET 7 template -- I must've missed something somewhere in converting over the function, possibly the routing attribute value.