核心3.0更新后Azure功能停止工作

问题描述

代码在Core 3.0 Preview7版本中运行，但是更新到3.0后，Azure函数开始出现错误。

The code is working in Core 3.0 preview7 version, but after updating to 3.0 Azure functions started giving an error.

如果我尝试访问生成器服务，则会出现错误。宾语。也无法调试问题。还尝试更新Microsoft.Extensions.DependencyInjection 3.0，但仍然存在相同的错误。

The error comes if I try to access builder service object. Also not able to debug the issue. Also tried updating Microsoft.Extensions.DependencyInjection 3.0 but still the same error.

public class Startup : FunctionsStartup
{
    public override void Configure(IFunctionsHostBuilder builder)
    {
    var descriptor = builder.Services.FirstOrDefault(d => d.ServiceType == typeof(IConfiguration)); // error after adding this
        var currentDirectory = $"{Environment.GetEnvironmentVariable("HOME")}\\site\\wwwroot";


        var configurationBuilder = new ConfigurationBuilder();

        var configuration = configurationBuilder.SetBasePath(currentDirectory)
            .AddJsonFile("local.settings.json", optional: true, reloadOnChange: true)
            .AddEnvironmentVariables()
                    .Build();
}
}

执行以下错误时：
找不到方法：'Microsoft.Extensions.DependencyInjection.IServiceCollection Microsoft.Azure.Functions.Extensions.DependencyInjection.IFunctionsHostBuilder.get_Services（）'。

When executing the below error comes:Method not found: 'Microsoft.Extensions.DependencyInjection.IServiceCollection Microsoft.Azure.Functions.Extensions.DependencyInjection.IFunctionsHostBuilder.get_Services()'.

推荐答案

[Microsoft Docs]

ASP.NET Core 3.0 not currently available for Azure App Service. [Microsoft Docs]

我了解 [Microsoft文档]可在Azure服务上获得。

I understand the preview versions of .NET Core 3.0 [Microsoft Docs] are available on the Azure service.

Azure Functions 3.0，它将完全兼容兼容Core 3.0的mpatible将于10月推出-请参见

Azure Functions 3.0, which will be fully compatible with Core 3.0, will be available in October - see this announcement

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