使用 .NET Core 2 的 Azure WebJobs 因“存储帐户无效"而失败 [英] Azure WebJobs using .NET Core 2 failing with "Invalid storage account"
本文介绍了使用 .NET Core 2 的 Azure WebJobs 因“存储帐户无效"而失败的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
遵循 Matt Roberts 出色的分步文章 .NET Core 2 中的 Azure WebJobs(带有 DI 和配置)我创建了一个部署没有问题的解决方案(使用 Visual Studio 2017)，但因无效存储帐户"异常而失败:
Following Matt Roberts excellent step-by-step article Azure WebJobs in .NET Core 2 (with DI and configuration) I've created a solution that deploys without issue (using Visual Studio 2017), but fails with a "Invalid storage account" exception:
Unhandled Exception: System.InvalidOperationException: Invalid storage account 'mywebjobsstorage'. Please make sure your credentials are correct. ---> System.MissingMethodException: Method not found: 'System.Threading.Tasks.Task`1<Microsoft.WindowsAzure.Storage.Shared.Protocol.ServiceProperties> Microsoft.WindowsAzure.Storage.Blob.CloudBlobClient.GetServicePropertiesAsync(System.Threading.CancellationToken)'.
我可以看到 AzureWebJobsDashboard 和 AzureWebJobsStorage 环境变量必须被拾取，因为错误明确命名了连接字符串中使用的 AccountName.
I can see that the AzureWebJobsDashboard and AzureWebJobsStorage environment variables must be getting picked up as the error explicitly names the AccountName used in the connection string.
我用存储连接字符串尝试了两种变体，结果相同:
I've tried two variations with the storage connection string with the same result:
DefaultEndpointsProtocol=https;AccountName=mywebjobsstorage;AccountKey=********
DefaultEndpointsProtocol=https;AccountName=mywebjobsstorage;AccountKey=********;EndpointSuffix=core.windows.net
任何想法可能是什么问题?
Any ideas what the issue might be?
这里是完整的异常日志，以防它包含任何其他线索，或者我被误导了:
Here's the full exception log in case it contains any other clues, or I'm being misdirected:
[03/29/2018 07:52:43 > d801c3: SYS INFO] Status changed to Initializing
[03/29/2018 07:52:48 > d801c3: SYS INFO] Run script 'run.cmd' with script host - 'WindowsScriptHost'
[03/29/2018 07:52:48 > d801c3: SYS INFO] Status changed to Running
[03/29/2018 07:52:48 > d801c3: INFO]
[03/29/2018 07:52:48 > d801c3: INFO] D:localTempjobs riggeredMyWebJobsuoyrr1m3.5sq>dotnet MyWebJobs.dll
[03/29/2018 07:52:50 > d801c3: ERR ]
[03/29/2018 07:52:50 > d801c3: ERR ] Unhandled Exception: System.InvalidOperationException: Invalid storage account 'mywebjobsstorage'. Please make sure your credentials are correct. ---> System.MissingMethodException: Method not found: 'System.Threading.Tasks.Task`1<Microsoft.WindowsAzure.Storage.Shared.Protocol.ServiceProperties> Microsoft.WindowsAzure.Storage.Blob.CloudBlobClient.GetServicePropertiesAsync(System.Threading.CancellationToken)'.
[03/29/2018 07:52:50 > d801c3: ERR ] at Microsoft.Azure.WebJobs.Host.Storage.Blob.StorageBlobClient.GetServicePropertiesAsync(CancellationToken cancellationToken)
[03/29/2018 07:52:50 > d801c3: ERR ] at Microsoft.Azure.WebJobs.Host.Executors.DefaultStorageCredentialsValidator.<ValidateCredentialsAsyncCore>d__1.MoveNext()
[03/29/2018 07:52:50 > d801c3: ERR ] --- End of inner exception stack trace ---
[03/29/2018 07:52:50 > d801c3: ERR ] at Microsoft.Azure.WebJobs.Host.Executors.DefaultStorageCredentialsValidator.<ValidateCredentialsAsyncCore>d__1.MoveNext()
[03/29/2018 07:52:50 > d801c3: ERR ] --- End of stack trace from previous location where exception was thrown ---
[03/29/2018 07:52:50 > d801c3: ERR ] at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
[03/29/2018 07:52:50 > d801c3: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
[03/29/2018 07:52:50 > d801c3: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
[03/29/2018 07:52:50 > d801c3: ERR ] at Microsoft.Azure.WebJobs.Host.Executors.DefaultStorageCredentialsValidator.<ValidateCredentialsAsync>d__0.MoveNext()
[03/29/2018 07:52:50 > d801c3: ERR ] --- End of stack trace from previous location where exception was thrown ---
[03/29/2018 07:52:50 > d801c3: ERR ] at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
[03/29/2018 07:52:50 > d801c3: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
[03/29/2018 07:52:50 > d801c3: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
[03/29/2018 07:52:50 > d801c3: ERR ] at Microsoft.Azure.WebJobs.Host.Executors.DefaultStorageAccountProvider.<CreateAndValidateAccountAsync>d__24.MoveNext()
[03/29/2018 07:52:50 > d801c3: ERR ] --- End of stack trace from previous location where exception was thrown ---
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
[03/29/2018 07:52:51 > d801c3: ERR ] at Microsoft.Azure.WebJobs.Host.Executors.DefaultStorageAccountProvider.<TryGetAccountAsync>d__25.MoveNext()
[03/29/2018 07:52:51 > d801c3: ERR ] --- End of stack trace from previous location where exception was thrown ---
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
[03/29/2018 07:52:51 > d801c3: ERR ] at Microsoft.Azure.WebJobs.Host.Executors.JobHostConfigurationExtensions.<CreateJobHostContextAsync>d__1.MoveNext()
[03/29/2018 07:52:51 > d801c3: ERR ] --- End of stack trace from previous location where exception was thrown ---
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
[03/29/2018 07:52:51 > d801c3: ERR ] at Microsoft.Azure.WebJobs.JobHost.<InitializeHostAsync>d__44.MoveNext()
[03/29/2018 07:52:51 > d801c3: ERR ] --- End of stack trace from previous location where exception was thrown ---
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
[03/29/2018 07:52:51 > d801c3: ERR ] at Microsoft.Azure.WebJobs.JobHost.<StartAsyncCore>d__25.MoveNext()
[03/29/2018 07:52:51 > d801c3: ERR ] --- End of stack trace from previous location where exception was thrown ---
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
[03/29/2018 07:52:51 > d801c3: ERR ] at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
[03/29/2018 07:52:51 > d801c3: ERR ] at Microsoft.Azure.WebJobs.JobHost.Start()
[03/29/2018 07:52:51 > d801c3: ERR ] at Microsoft.Azure.WebJobs.JobHost.RunAndBlock()
[03/29/2018 07:52:51 > d801c3: ERR ] at MyWebJobs.Program.Main(String[] args) in C:!ProjectsSomeProjectsrcMyWebJobsProgram.cs:line 30
[03/29/2018 07:52:51 > d801c3: SYS INFO] Status changed to Failed
[03/29/2018 07:52:51 > d801c3: SYS ERR ] Job failed due to exit code -532462766
推荐答案
这两个 NuGet 包中的任何一个似乎都存在错误:
It looks like there was either a bug in either of these NuGet packages:
- Microsoft.Azure.WebJobs
- Microsoft.Azure.WebJobs.Extensions
我使用的是这些软件包的 v2.2.0，但它们似乎存在错误.将这些替换为 NuGet 包的 v3 beta 预发布版本，无需任何代码更改即可解决该问题.
I was using v2.2.0 of these packages, but they appear to have a bug. Swapping these for v3 beta pre-releases of the NuGet packages without any code changes resolved the issue.
更新
.NET Core 仅支持 v3+ - https://github.com/Azure/azure-webjobs-sdk/issues/1649#issuecomment-377633805
Only v3+ is supported on .NET Core - https://github.com/Azure/azure-webjobs-sdk/issues/1649#issuecomment-377633805
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