Update ASPIRE008 diagnostic page for GenerateAssemblyInfo requirement #288
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| title: Compiler Error ASPIRE008 | ||
| description: Learn more about compiler Error ASPIRE008. The project requires GenerateAssemblyInfo to be enabled for the AppHost to function correctly. | ||
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| import { Aside, Badge } from '@astrojs/starlight/components'; | ||
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| <Badge text="Version introduced: 9.2.0" variant='note' size='large' class:list={'mb-1'} /> | ||
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| > '[ProjectName]' project requires GenerateAssemblyInfo to be enabled. The Aspire AppHost relies on assembly metadata attributes to locate required dependencies. | ||
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| This error appears when an Aspire AppHost project has `GenerateAssemblyInfo` set to `false`. The Aspire AppHost relies on `AssemblyMetadataAttribute` to embed DCP (Developer Control Plane) and Dashboard paths during compilation. When `GenerateAssemblyInfo` is disabled, these attributes aren't generated, causing runtime failures about missing orchestration dependencies. | ||
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| ## Example | ||
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| The following AppHost project file has `GenerateAssemblyInfo` disabled, which causes `ASPIRE008`: | ||
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| ```xml title="C# project file" | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <Sdk Name="Aspire.AppHost.Sdk" Version="9.2.0" /> | ||
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>net9.0</TargetFramework> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| <Nullable>enable</Nullable> | ||
| <IsAspireHost>true</IsAspireHost> | ||
| <GenerateAssemblyInfo>false</GenerateAssemblyInfo> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="Aspire.Hosting.AppHost" Version="9.2.0" /> | ||
| </ItemGroup> | ||
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| </Project> | ||
| ``` | ||
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| ## To correct this error | ||
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| Remove the `<GenerateAssemblyInfo>false</GenerateAssemblyInfo>` line from your project file, or set it to `true`: | ||
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| ```xml title="C# project file" | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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Member
There was a problem hiding this comment. Same here: <Project Sdk="Aspire.AppHost.Sdk/13.1.0">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net10.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<UserSecretsId>98048c9c-bf28-46ba-a98e-63767ee5e3a8</UserSecretsId>
</PropertyGroup>
</Project>
xml
Contributor
Author
There was a problem hiding this comment. Updated this sample as well in commit 2dcc31e. |
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| <Sdk Name="Aspire.AppHost.Sdk" Version="9.2.0" /> | ||
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>net9.0</TargetFramework> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| <Nullable>enable</Nullable> | ||
| <IsAspireHost>true</IsAspireHost> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="Aspire.Hosting.AppHost" Version="9.2.0" /> | ||
| </ItemGroup> | ||
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| </Project> | ||
| ``` | ||
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| ## Suppress the error | ||
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| <Aside type="danger"> | ||
| Suppressing this error isn't recommended, as it will cause runtime failures when the AppHost attempts to locate orchestration dependencies. | ||
| </Aside> | ||
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| If you must temporarily suppress this error, add the following property to your project file: | ||
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| ```xml title="C# project file" | ||
| <PropertyGroup> | ||
| <NoWarn>$(NoWarn);ASPIRE008</NoWarn> | ||
| </PropertyGroup> | ||
| ``` | ||
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Can we update this project file sample to match the modern form for 13.x projects? i.e.:
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Updated the project file sample to use the modern 13.x format with
Aspire.AppHost.Sdk/13.1.0,net10.0, andUserSecretsIdin commit 2dcc31e.