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Azure Functions project – Can't load file from present NuGet package

I have consolidated some old WebJobs and worker roles into a new Azure Function project. I have used Azure Functions before with no trouble. This project has a persistent problem I have been battling for a few days. It throws the following error in the console window:

System.Private.CoreLib: Exception has been thrown by the target of an invocation. Microsoft.Azure.WebJobs.Extensions.Storage.Queues: Could not load file or assembly ‘System.Memory.Data, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51’. The system cannot find the file specified.
Value cannot be null. (Parameter ‘provider’)

This error showed up with an old version of the project. I rebuilt it from scratch using .NET 6.0. It worked for a while but then the error returned. The current environment is:

Visual Studio 17.11.5,
Azure Functions and Web Jobs tools 17.11.231.19466

I have tried numerous combinations of NuGet package versions. Relevant (I think) NuGet packages are:

Microsoft.Azure.WebJobs.Extensions.Storage 5.3.3,
Microsoft.NET.Sdk.Functions 4.5.0"

I have also tried removing Microsoft.Azure.WebJobs.Extensions.Storage and replacing it with Microsoft.Azure.WebJobs.Extensions.Storage.Queues with no result.

I have searched extensively and found no reference matching my error. Any suggestions would be greatly appreciates.

Thanks in advance,

Robert Keith

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2

Answers


  1. 0

    Please try "Microsoft.Azure.WebJobs.Extensions.Storage" "5.3.2" Microsoft.NET.Sdk.Functions" Version="4.4.0"

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  2. 0

    Make sure that you are using version 4.x of the AzureFunctions runtime: <AzureFunctionsVersion>v4</AzureFunctionsVersion> should be present in your .csproj file.

    Older runtime versions are not compatible with .NET 6 and runtime libraries in version 6.x.x are therefore missing, which could explain your error.

    See the official Migrate apps from Azure Functions version 3.x to version 4.x documentation.

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