英文:
ASP.NET Core 6 MVC application with Mudblazor not working once deployed to Azure app service using Azure Devops
问题
抱歉，以下是您提供的内容的翻译：
问题描述
我有一个解决方案，其中包含一些 Azure 函数形式的微服务，以及一些共享项目和一个 MVC6 Mudblazor Web 应用程序。
问题
当我通过 Visual Studio 2022 逐个部署所有这些组件时，一切正常。
然而，当我通过 Azure DevOps 发布管道进行部署时，一切开始变得混乱。函数部署正常。但 Web 应用程序开始表现异常。Web 应用程序正常加载，但当我尝试登录时，出现以下错误：
严重: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
处理组件时发生未处理的异常：ExpectedStartOfValueNotFound，< 路径：$ | 行号：0 | 行中的字节位置：0。System.Text.Json.JsonException: ExpectedStartOfValueNotFound，< 路径：$ | 行号：0 | 行中的字节位置：0。
---> System.Text.Json.JsonReaderException: ExpectedStartOfValueNotFound，< 行号：0 | 行中的字节位置：0。
at System.Text.Json.ThrowHelper.ThrowJsonReaderException(Utf8JsonReader&，ExceptionResource，Byte，ReadOnlySpan1 ) at System.Text.Json.Utf8JsonReader.ConsumeValue(Byte ) at System.Text.Json.Utf8JsonReader.ReadFirstToken(Byte ) at System.Text.Json.Utf8JsonReader.ReadSingleSegment() at System.Text.Json.Utf8JsonReader.Read() at System.Text.Json.Serialization.JsonConverter1[[MyProject.Platform.Shared.Wrapper.Result1[[MyProject.Platform.Application.Features.Accounts.Queries.GetById.GetProjectByIdResponse, PublicKeyToken=null]].ReadCore(Utf8JsonReader&，JsonSerializerOptions，ReadStack& ) 异常的内部异常堆栈结束处 at System.Text.Json.ThrowHelper.ReThrowWithPath(ReadStack&，JsonReaderException ) at System.Text.Json.Serialization.JsonConverter1[[MyProject.Platform.Shared.Wrapper.Result`1[[MyProject.Platform.Application.Features.Accounts.Queries.GetById.GetProjectByIdResponse,
at Microsoft.AspNetCore.Components.ComponentBase.CallStateHasChangedOnAsyncCompletion(Task task)
at Microsoft.AspNetCore.Components.RenderTree.Renderer.GetErrorHandledTask(Task，ComponentState)
blazor.webassembly.js:1 严重: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
处理组件时发生未处理的异常：在解析值时遇到意外字符：T。路径 ''，行号 0，位置 0。
Newtonsoft.Json.JsonReaderException: 在解析值时遇到意外字符：T。路径 ''，行号 0，位置 0。
在 Newtonsoft.Json.JsonTextReader.ParseValue()
在 Newtonsoft.Json.JsonTextReader.Read()
在 Newtonsoft.Json.JsonReader.ReadAndMoveToContent()
在 Newtonsoft.Json.JsonReader.ReadForType(JsonContract contract，Boolean hasConverter)
在 Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader，Type objectType，Boolean checkAdditionalContent)
在 Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader，Type objectType)
在 Newtonsoft.Json.JsonSerializer.Deserialize(JsonReader reader，Type objectType)
在 Newtonsoft.Json.JsonConvert.DeserializeObject(String value，Type type，JsonSerializerSettings settings)
在 Newtonsoft.Json.JsonConvert.DeserializeObject[Object](String value，JsonSerializerSettings settings)
在 Newtonsoft.Json.JsonConvert.DeserializeObject[Object](String value)
在
在 Toolbelt.Blazor.HttpClientInterceptor.InvokeAsync(HttpClientInterceptorEventHandler asyncEventHandler，HttpClientInterceptorEventArgs args)
在 Toolbelt.Blazor.HttpClientInterceptor.InvokeAfterSendAsync(HttpClientInterceptorEventArgs args)
在 Toolbelt.Blazor.HttpClientInterceptorHandler.SendAsync(HttpRequestMessage request，CancellationToken cancellationToken)
在 System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage，HttpCompletionOption，CancellationTokenSource，Boolean，CancellationTokenSource，CancellationToken )
在
在 Microsoft.AspNetCore.Components.ComponentBase.CallStateHasChangedOnAsyncCompletion(Task task)
在 Microsoft.AspNetCore.Components.Forms.EditForm.HandleSubmitAsync()
在 Microsoft.AspNetCore.Components.ComponentBase.CallStateHasChangedOnAsyncCompletion(Task task)
在 Microsoft.AspNetCore.Components.RenderTree.Renderer.GetErrorHandledTask(Task，ComponentState)
资源加载失败：服务器以状态码 405（不允许的方法）响应
这是我使用的管道 YAML：
trigger:
- development
- master
pool:
vmImage: 'windows-latest'
variables:
solution: '**/*.sln'
buildPlatform: 'Any CPU'
buildConfiguration: 'Debug'
publishPath: '$(Build.ArtifactStagingDirectory)/publish'
stages:
- stage: BuildApp
displayName: Build Apps
jobs:
- job: BuildApp
displayName: Build App
steps:
- task: DotNetCoreInstaller@2
displayName: 'Install .NET 6 SDK'
inputs:
version: '6.x'
- task: DotNetCoreInstaller@2
displayName: 'Install .NET 7 SDK'
inputs:
version: '7.x'
- task: DotNetCoreCLI@2
displayName: 'Install WebAssembly tools for .NET 6'
inputs:
command: 'custom'
custom: 'workload'
arguments: 'install wasm-tools-net6'
workingDirectory: '$(Agent.ToolsDirectory)/dotnet'
- task: DotNetCoreInstaller@2
displayName: 'Install .NET 3 SDK'
inputs:
version: '3.x'
- task: NuGetToolInstaller@1
inputs:
versionSpec: '6.5'
- task: NuGetCommand@2
inputs:
command: 'restore'
restoreSolution: '$(System.DefaultWorkingDirectory)/WebApp/MyProject.Platform.sln'
feedsToUse: 'config'
nugetConfigPath: '$(System.DefaultWorkingDirectory)/nuget.config'
arguments: '-Parallel'
- task: MSBuild@1
displayName: 'BUILD!!'
inputs:
solution: '$(System.DefaultWorkingDirectory)/WebApp/MyProject.Platform.sln'
msbuildArchitecture: 'x64'
platform: 'any cpu'
configuration: $(buildConfiguration)
- task: DotNetCoreCLI@2
inputs:
command: 'build'
projects: '$(System.DefaultWorkingDirectory)/WebApp/MyProject.Platform.WebApp/Server/MyProject.Platform.Server.csproj'
arguments: '--configuration Debug --output $(Build.ArtifactStagingDirectory)'
- task: Dot
<details>
<summary>英文:</summary>
**The setup**
I have solution with quite few micro services in the form of Azure functions and a few shared projects and one MVC6 Mudblazor web app.
**The Problem**
When I deploy all of these components individually through Visual Studio 2022, everything works fine.
However, when I deploy these through an Azure Devops release pipeline, things start going crazy. Functions deploy fine. But the Webapp starts misbehaving. The webapp loads up fine but when i try to login, I get the following errors:
> crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
> Unhandled exception rendering component: ExpectedStartOfValueNotFound, < Path: $ | LineNumber: 0 | BytePositionInLine: 0.
>
> System.Text.Json.JsonException: ExpectedStartOfValueNotFound, < Path: $ | LineNumber: 0 | BytePositionInLine: 0.
> ---> System.Text.Json.JsonReaderException: ExpectedStartOfValueNotFound, < LineNumber: 0 | BytePositionInLine: 0.
> at System.Text.Json.ThrowHelper.ThrowJsonReaderException(Utf8JsonReader& , ExceptionResource , Byte , ReadOnlySpan`1 )
> at System.Text.Json.Utf8JsonReader.ConsumeValue(Byte )
> at System.Text.Json.Utf8JsonReader.ReadFirstToken(Byte )
> at System.Text.Json.Utf8JsonReader.ReadSingleSegment()
> at System.Text.Json.Utf8JsonReader.Read()
> at System.Text.Json.Serialization.JsonConverter`1[[MyProject.Platform.Shared.Wrapper.Result`1[[MyProject.Platform.Application.Features.Accounts.Queries.GetById.GetProjectByIdResponse, PublicKeyToken=null]].ReadCore(Utf8JsonReader& , JsonSerializerOptions , ReadStack& )
Exception_EndOfInnerExceptionStack
at System.Text.Json.ThrowHelper.ReThrowWithPath(ReadStack& , JsonReaderException )
at System.Text.Json.Serialization.JsonConverter`1[[MyProject.Platform.Shared.Wrapper.Result`1[[MyProject.Platform.Application.Features.Accounts.Queries.GetById.GetProjectByIdResponse,
at Microsoft.AspNetCore.Components.ComponentBase.CallStateHasChangedOnAsyncCompletion(Task task)
at Microsoft.AspNetCore.Components.RenderTree.Renderer.GetErrorHandledTask(Task , ComponentState )
blazor.webassembly.js:1 crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
Unhandled exception rendering component: Unexpected character encountered while parsing value: T. Path '', line 0, position 0.
Newtonsoft.Json.JsonReaderException: Unexpected character encountered while parsing value: T. Path '', line 0, position 0.
at Newtonsoft.Json.JsonTextReader.ParseValue()
at Newtonsoft.Json.JsonTextReader.Read()
at Newtonsoft.Json.JsonReader.ReadAndMoveToContent()
at Newtonsoft.Json.JsonReader.ReadForType(JsonContract contract, Boolean hasConverter)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)
at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)
at Newtonsoft.Json.JsonSerializer.Deserialize(JsonReader reader, Type objectType)
at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)
at Newtonsoft.Json.JsonConvert.DeserializeObject[Object](String value, JsonSerializerSettings settings)
at Newtonsoft.Json.JsonConvert.DeserializeObject[Object](String value)
at
at Toolbelt.Blazor.HttpClientInterceptor.InvokeAsync(HttpClientInterceptorEventHandler asyncEventHandler, HttpClientInterceptorEventArgs args)
at Toolbelt.Blazor.HttpClientInterceptor.InvokeAfterSendAsync(HttpClientInterceptorEventArgs args)
at Toolbelt.Blazor.HttpClientInterceptorHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage , HttpCompletionOption , CancellationTokenSource , Boolean , CancellationTokenSource , CancellationToken )
at
at Microsoft.AspNetCore.Components.ComponentBase.CallStateHasChangedOnAsyncCompletion(Task task)
at Microsoft.AspNetCore.Components.Forms.EditForm.HandleSubmitAsync()
at Microsoft.AspNetCore.Components.ComponentBase.CallStateHasChangedOnAsyncCompletion(Task task)
at Microsoft.AspNetCore.Components.RenderTree.Renderer.GetErrorHandledTask(Task , ComponentState )
Failed to load resource: the server responded with a status of 405 (Method Not Allowed)
This is the pipeline YAML I used:
trigger:
- development
- master
pool:
vmImage: 'windows-latest'
variables:
solution: '**/*.sln'
buildPlatform: 'Any CPU'
buildConfiguration: 'Debug'
publishPath: '$(Build.ArtifactStagingDirectory)/publish'
stages:
- stage: BuildApp
displayName: Build Apps
jobs:
- job: BuildApp
displayName: Build App
steps:
- task: DotNetCoreInstaller@2
displayName: 'Install .NET 6 SDK'
inputs:
version: '6.x'
- task: DotNetCoreInstaller@2
displayName: 'Install .NET 7 SDK'
inputs:
version: '7.x'
- task: DotNetCoreCLI@2
displayName: 'Install WebAssembly tools for .NET 6'
inputs:
command: 'custom'
custom: 'workload'
arguments: 'install wasm-tools-net6'
workingDirectory: '$(Agent.ToolsDirectory)/dotnet'
- task: DotNetCoreInstaller@2
displayName: 'Install .NET 3 SDK'
inputs:
version: '3.x'
- task: NuGetToolInstaller@1
inputs:
versionSpec: '6.5'
- task: NuGetCommand@2
inputs:
command: 'restore'
restoreSolution: '$(System.DefaultWorkingDirectory)/WebApp/MyProject.Platform.sln'
feedsToUse: 'config'
nugetConfigPath: '$(System.DefaultWorkingDirectory)/nuget.config'
arguments: '-Parallel'
- task: MSBuild@1
displayName: 'BUILD!!'
inputs:
solution: '$(System.DefaultWorkingDirectory)/WebApp/MyProject.Platform.sln'
msbuildArchitecture: 'x64'
platform: 'any cpu'
configuration: $(buildConfiguration)
- task: DotNetCoreCLI@2
inputs:
command: 'build'
projects: '$(System.DefaultWorkingDirectory)/WebApp/MyProject.Platform.WebApp/Server/MyProject.Platform.Server.csproj'
arguments: '--configuration Debug --output $(Build.ArtifactStagingDirectory)'
- task: DotNetCoreCLI@2
displayName: 'Publish'
inputs:
command: 'publish'
publishWebProjects: True
projects: '$(System.DefaultWorkingDirectory)/WebApp/MyProject.Platform.WebApp/Server/MyProject.Platform.Server.csproj'
arguments: '--configuration Debug --output $(Build.ArtifactStagingDirectory)'
zipAfterPublish: true
- task: CopyFiles@2
inputs:
targetFolder: '$(Build.ArtifactStagingDirectory)'
- task: PublishBuildArtifacts@1
displayName: 'Publish Artifact: drop'
**The question**
What am I doing wrong here?
</details>
# 答案1
**得分**: 0
成功解决了问题。
问题出在这里：
- 任务: DotNetCoreCLI@2
显示名称: '发布'
输入:
命令: 'publish'
发布Web项目: True
项目: '$(System.DefaultWorkingDirectory)/WebApp/MyProject.Platform.WebApp/Server/MyProject.Platform.Server.csproj'
参数: '--configuration Debug --output $(Build.ArtifactStagingDirectory)'
发布后进行压缩: true
当您设置`发布Web项目: True`时，"如果为真，则该任务将尝试在存储库中查找Web项目并对它们运行发布命令。Web项目可通过目录中存在web.config文件或wwwroot文件夹来识别。" - Azure DevOps信息按钮
由于最初为真，它每次都选择了Client，因为CLIENT项目有一个wwwroot文件夹。将`发布Web项目`设置为false后，您可以指定一个特定的SERVER项目。
所以，SERVER项目从未被部署。这就引起了所有这些混乱。
这是最终修复的更改：
- 任务: DotNetCoreCLI@2
显示名称: '发布'
输入:
命令: 'publish'
发布Web项目: False
项目: '$(System.DefaultWorkingDirectory)/WebApp/MyProject.Platform.WebApp/Server/MyProject.Platform.Server.csproj'
参数: '--configuration Debug --output $(Build.ArtifactStagingDirectory)'
发布后进行压缩: true
<details>
<summary>英文:</summary>
I was finally able to get it working.
The issue was here:
- task: DotNetCoreCLI@2
displayName: 'Publish'
inputs:
command: 'publish'
publishWebProjects: True
projects: '$(System.DefaultWorkingDirectory)/WebApp/MyProject.Platform.WebApp/Server/MyProject.Platform.Server.csproj'
arguments: '--configuration Debug --output $(Build.ArtifactStagingDirectory)'
zipAfterPublish: true
When you give `publishWebProjects: True` "If true, the task will try to find the web projects in the repository and run the publish command on them. Web projects are identified by presence of either a web.config file or wwwroot folder in the directory." - Azure devops info button
Due to this being true originally, it was selecting Client every time because the CLIENT project has a wwwroot folder. With publishWebProjects set to false, you can specify a particular SERVER project.
So, the SERVER project never got deployed.And that caused all of this havoc.
This is the change that finally fixed it:
- task: DotNetCoreCLI@2
displayName: 'Publish'
inputs:
command: 'publish'
publishWebProjects: False
projects: '$(System.DefaultWorkingDirectory)/WebApp/MyProject.Platform.WebApp/Server/MyProject.Platform.Server.csproj'
arguments: '--configuration Debug --output $(Build.ArtifactStagingDirectory)'
zipAfterPublish: true
</details>
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