kubernetes 异常“错误MSB3024：无法复制文件,..”时抛出,Net Core 3.0 SDK(预览版5)

xbp102n0 于 2023-04-29 发布在 Kubernetes

关注(0)|答案(4)|浏览(236)

我正在尝试在DevOps构建管道中构建.Net Core 3.0 (preview)项目。
我的azure-pipelines.yml中的步骤执行到“docker build“步骤，成功地启动了构建过程。Docker文件被读取并执行到“dotnet build”步骤，之后抛出以下错误。
错误MSB 3024：无法复制文件“/src/obj/Release/netcoreapp 3。0/”到目标文件“/app/"，因为目标是文件夹而不是文件。要将源文件复制到文件夹中，请考虑使用DestinationFolder参数而不是DestinationFiles。[/src/.csproj]
我已尝试通过执行dotnet build在本地进行构建“。csproj”-c Release -o /app构建成功，错误和警告0。这可能与DevOps中的SDK问题有关吗？
任何建议将不胜感激。
我的Docker文件中的build命令。

RUN dotnet build "<project>.csproj" -c Release -o /app

--- {OMITED}
---1ff83de4bdba
Step 5/16 : WORKDIR /src
---Running in 972629766fad
Removing intermediate container 972629766fad
---1325ecd8e7c3
Step 6/16 : COPY ["<projectname>.csproj", "<projectname>/"]
---a4ba463683dc
Step 7/16 : RUN dotnet restore "<projectname>/<projectname>.csproj"
---Running in 82bb9095d412
Restore completed in 14.08 sec for /src/<projectname>/<projectname>.csproj.
Removing intermediate container 82bb9095d412
---7b0cc236782e
Step 8/16 : COPY . .
---884bb695bfb3
Step 9/16 : WORKDIR /src
---Running in 817b001e2060
Removing intermediate container 817b001e2060
---40b8690ecb63
Step 10/16 : RUN dotnet build "<projectname>.csproj" -c Release -o /app
---Running in 48d79b81c3cb
Microsoft (R) Build Engine version 16.0.462+g62fb89029d for .NET Core
Copyright (C) Microsoft Corporation. All rights reserved.

Restore completed in 531.02 ms for /src/<projectname>.csproj.
/usr/share/dotnet/sdk/3.0.100-preview5-011568/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.RuntimeIdentifierInference.targets(157,5): message NETSDK1057: You are using a preview version of .NET Core. See: https://aka.ms/dotnet-core-preview [/src/<projectname>.csproj]
/usr/share/dotnet/sdk/3.0.100-preview5-011568/Microsoft.Common.CurrentVersion.targets(4560,5): error MSB3024: Could not copy the file "/src/obj/Release/netcoreapp3.0/<projectname>" to the destination file "/app/<projectname>", because the destination is a folder instead of a file. To copy the source file into a folder, consider using the DestinationFolder parameter instead of DestinationFiles. [/src/<projectname>.csproj]

Build FAILED.

/usr/share/dotnet/sdk/3.0.100-preview5-011568/Microsoft.Common.CurrentVersion.targets(4560,5): **error MSB3024: Could not copy the file "/src/obj/Release/netcoreapp3.0/<projectname>" to the destination file "/app/<projectname>", because the destination is a folder instead of a file. To copy the source file into a folder, consider using the DestinationFolder parameter instead of DestinationFiles. **[/src/<projectname>.csproj]
    0 Warning(s)
    1 Error(s)

Time Elapsed 00:00:11.43
The command '/bin/sh -c dotnet build "<projectname>.csproj" -c Release -o /app' returned a non-zero code: 1
##[error]Bash exited with code '1'.
##[section]Finishing: docker build

kubernetes

来源：https://stackoverflow.com/questions/56293141/exception-error-msb3024-could-not-copy-the-file-is-thrown-when-attempting

4条答案

按热度按时间

f2uvfpb91#

在我的例子中，我的项目的程序集名称与项目的名称相同，也与该项目的目录名称相同。一旦我将项目属性中的程序集名称更改为其他名称，这个错误就消失了。

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6mzjoqzu2#

在我的例子中，我不得不重命名项目文件夹，使其与dockerfile中的项目本身不同：

FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
WORKDIR /src
COPY ["<project-name>.csproj", "<project-name>_build/"]
RUN dotnet restore "<project-name>_build/<project-name>.csproj"

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pdsfdshx3#

我假设这是一个问题。Net Core 3.0预览版5 SDK。我在中创建了项目。Net Core 2.2并成功构建。

赞(0）回复(0）举报 2023-04-29

xt0899hw4#

在dotnet build命令中添加以下参数时，生成将成功。网络核心3.0
RUN dotnet build“。csproj”-c Release**-r linux-musl-x64**-o /app**--no-restore**
下面的DockerFile在DevOps中成功构建

FROM mcr.microsoft.com/dotnet/core/aspnet:3.0 AS base
WORKDIR /app
EXPOSE 80
EXPOSE 443

FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS build
WORKDIR /src
COPY ["<project-name>.csproj", "<project-name>/"]

RUN dotnet restore "<project-name>/<project-name>.csproj" -r linux-musl-x64
COPY  . "<project-name>/"
WORKDIR "/src/<project-name>"
RUN dotnet build "<project-name>.csproj" -c Release -r linux-musl-x64 -o /app --no-restore

FROM build AS publish
RUN dotnet publish "<project-name>.csproj" -c Release -r linux-musl-x64 -o /app --no-restore

FROM base AS final
WORKDIR /app

COPY --from=publish /app .

ENTRYPOINT ["dotnet", "<project-name>.dll"]

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kubernetes 异常“错误MSB3024：无法复制文件,..”时抛出,Net Core 3.0 SDK(预览版5)

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