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当使用Visual Studio 2015发布asp.net 5应用程序时出现“路径过长”错误

asp.net-coreasp.net-core-mvcdnu
15

这似乎是一个普遍的问题，我在 Stack Overflow 上找到了几个相关的问题，但它们似乎都与 MSBuild 有关。

我正在尝试通过在 Visual Studio 中右键单击我的 asp.net 5 rc1 项目并调用基于文件系统的发布配置文件来进行发布。

其设置如下：

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
    <PropertyGroup>
        <WebPublishMethod>FileSystem</WebPublishMethod>
        <LastUsedBuildConfiguration>Release</LastUsedBuildConfiguration>
        <LastUsedPlatform>Any CPU</LastUsedPlatform>
        <SiteUrlToLaunchAfterPublish />
        <LaunchSiteAfterPublish>True</LaunchSiteAfterPublish>
        <ExcludeApp_Data>False</ExcludeApp_Data>
        <CompileSource>False</CompileSource>
        <_DefaultDNXVersion>dnx-clr-win-x86.1.0.0-rc1-final</_DefaultDNXVersion>
        <UsePowerShell>True</UsePowerShell>
        <IISCommand>web</IISCommand>
        <WebRoot>wwwroot</WebRoot>
        <WwwRootOut>wwwroot</WwwRootOut>
        <IncludeSymbols>False</IncludeSymbols>
        <Native>False</Native>
        <IgnoreDNXRuntime>False</IgnoreDNXRuntime>
        <publishUrl>C:\Source\CCollections\artifacts\bin\CCollections.Client.Web.Angular\Release\PublishOutput</publishUrl>
        <DeleteExistingFiles>False</DeleteExistingFiles>
    </PropertyGroup>
</Project>

这会产生以下输出：

。 

C:\Source\CCollections\src\CCollections.Client.Web.Angular>C:\Users\Christopher\.dnx\runtimes\dnx-clr-win-x86.1.0.0-rc1-final\bin\dnu.cmd publish "C:\Source\CCollections\src\CCollections.Client.Web.Angular" --out "C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96" --configuration Release --runtime dnx-clr-win-x86.1.0.0-rc1-final --wwwroot "wwwroot" --wwwroot-out "wwwroot" --iis-command "web"
Microsoft .NET Development Utility Clr-x86-1.0.0-rc1-16202
Executing script 'prepublish' in project.json
npm WARN package.json ASP.NET@0.0.0 No description
npm WARN package.json ASP.NET@0.0.0 No repository field.
npm WARN package.json ASP.NET@0.0.0 No README data
npm WARN package.json ASP.NET@0.0.0 No license field.
npm WARN unmet dependency C:\Source\CCollections\src\CCollections.Client.Web.Angular\node_modules\gulp-cssmin\node_modules\gulp-util requires minimist@'^0.2.0' but will load
npm WARN unmet dependency C:\Source\CCollections\src\CCollections.Client.Web.Angular\node_modules\gulp-cssmin\node_modules\minimist,
npm WARN unmet dependency which is version 1.1.1
npm WARN unmet dependency C:\Source\CCollections\src\CCollections.Client.Web.Angular\node_modules\gulp-cssmin\node_modules\through2 requires readable-stream@'~1.0.17' but will load
npm WARN unmet dependency C:\Source\CCollections\src\CCollections.Client.Web.Angular\node_modules\gulp-cssmin\node_modules\readable-stream,
npm WARN unmet dependency which is version 1.1.13
[12:15:37] Using gulpfile C:\Source\CCollections\src\CCollections.Client.Web.Angular\gulpfile.js
[12:15:37] Starting 'clean:js'...
[12:15:37] Starting 'clean:css'...
[12:15:37] Finished 'clean:js' after 8.17 ms
[12:15:37] Finished 'clean:css' after 7.58 ms
[12:15:37] Starting 'clean'...
[12:15:37] Finished 'clean' after 6.63 μs
[12:15:38] Using gulpfile C:\Source\CCollections\src\CCollections.Client.Web.Angular\gulpfile.js
[12:15:38] Starting 'min:js'...
[12:15:38] Finished 'min:js' after 14 ms
[12:15:38] Starting 'min:css'...
[12:15:38] Finished 'min:css' after 3.02 ms
[12:15:38] Starting 'min'...
[12:15:38] Finished 'min' after 6.03 μs
[12:15:40] Using gulpfile C:\Source\CCollections\src\CCollections.Client.Web.Angular\gulpfile.js
[12:15:40] Starting 'libcopy'...
[12:15:40] Finished 'libcopy' after 19 ms
Copying to output path C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96
Using Package dependency Microsoft.AspNet.DataProtection.Abstractions 1.0.0-rc1-final
Using Package dependency Microsoft.CodeAnalysis.CSharp 1.1.0-rc1-20151109-01
Using Package dependency Microsoft.AspNet.Identity 3.0.0-rc1-final
Using Package dependency Microsoft.Extensions.Configuration.CommandLine 1.0.0-rc1-final
Using Package dependency Microsoft.Extensions.Logging.Console 1.0.0-rc1-final
Using Package dependency System.Runtime.InteropServices 4.0.0
Using Package dependency System.Diagnostics.Debug 4.0.0
Using Package dependency Microsoft.AspNet.Mvc.Razor.Host 6.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.AspNet.Mvc.Razor.Host\6.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.AspNet.Mvc.Razor.Host\6.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\System.Runtime.InteropServices\4.0.0
Using Package dependency EntityFramework.Commands 7.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\EntityFramework.Commands\7.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\EntityFramework.Commands\7.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.CodeAnalysis.CSharp\1.1.0-rc1-20151109-01
    Source C:\Users\Christopher\.dnx\packages\Microsoft.Extensions.Configuration.CommandLine\1.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.Extensions.Configuration.CommandLine\1.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.AspNet.DataProtection.Abstractions\1.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.AspNet.DataProtection.Abstractions\1.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\System.Diagnostics.Debug\4.0.0
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\System.Diagnostics.Debug\4.0.0
Using Package dependency Microsoft.AspNet.Mvc.TagHelpers 6.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.AspNet.Mvc.TagHelpers\6.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.AspNet.Mvc.TagHelpers\6.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.CodeAnalysis.CSharp\1.1.0-rc1-20151109-01
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\System.Runtime.InteropServices\4.0.0
Using Package dependency Microsoft.Extensions.Configuration.EnvironmentVariables 1.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.Extensions.Configuration.EnvironmentVariables\1.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.Extensions.Logging.Console\1.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.AspNet.Identity\3.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.AspNet.Identity\3.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.Extensions.Configuration.EnvironmentVariables\1.0.0-rc1-final
Using Package dependency Microsoft.AspNet.Diagnostics 1.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.AspNet.Diagnostics\1.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.AspNet.Diagnostics\1.0.0-rc1-final
Using Package dependency EntityFramework.Core 7.0.0-rc1-final
Using Package dependency Microsoft.AspNet.Mvc.ViewFeatures 6.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.AspNet.Mvc.ViewFeatures\6.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.AspNet.Mvc.ViewFeatures\6.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.Extensions.Logging.Console\1.0.0-rc1-final
Using Package dependency Microsoft.Dnx.Compilation.Abstractions 1.0.0-rc1-final
Using Package dependency Microsoft.Extensions.Configuration.FileExtensions 1.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.Extensions.Configuration.FileExtensions\1.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.Extensions.Configuration.FileExtensions\1.0.0-rc1-final
Using Package dependency Microsoft.AspNet.Identity.EntityFramework 3.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.AspNet.Identity.EntityFramework\3.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\EntityFramework.Core\7.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\EntityFramework.Core\7.0.0-rc1-final
Using Package dependency System.Diagnostics.DiagnosticSource 4.0.0-beta-23516
Using Package dependency Microsoft.Extensions.Logging.Debug 1.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.Extensions.Logging.Debug\1.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.Extensions.Logging.Debug\1.0.0-rc1-final
Using Package dependency Microsoft.AspNet.Diagnostics.Abstractions 1.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.AspNet.Diagnostics.Abstractions\1.0.0-rc1-final
Using Package dependency Microsoft.AspNet.PageExecutionInstrumentation.Interfaces 1.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.AspNet.PageExecutionInstrumentation.Interfaces\1.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.AspNet.PageExecutionInstrumentation.Interfaces\1.0.0-rc1-final
Using Package dependency Microsoft.Extensions.Configuration.FileProviderExtensions 1.0.0-rc1-final
    Source C:\Users\Christopher\.dnx\packages\Microsoft.Dnx.Compilation.Abstractions\1.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.Dnx.Compilation.Abstractions\1.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.AspNet.Identity.EntityFramework\3.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.AspNet.Diagnostics.Abstractions\1.0.0-rc1-final
Using Package dependency System.Text.Encoding 4.0.0
    Source C:\Users\Christopher\.dnx\packages\System.Text.Encoding\4.0.0
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\System.Text.Encoding\4.0.0
    Source C:\Users\Christopher\.dnx\packages\System.Diagnostics.DiagnosticSource\4.0.0-beta-23516
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\System.Diagnostics.DiagnosticSource\4.0.0-beta-23516
    Source C:\Users\Christopher\.dnx\packages\Microsoft.Extensions.Configuration.FileProviderExtensions\1.0.0-rc1-final
    Target C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.Extensions.Configuration.FileProviderExtensions\1.0.0-rc1-final
Error: The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters, and the directory name must be less than 248 characters.
Error: The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters, and the directory name must be less than 248 characters.
C:\Source\CCollections\src\CCollections.Client.Web.Angular>

我认为我的问题在这里：C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\

我需要使用一个更短的路径，比如C:\Temp。

我尝试了其他stackoverflow答案中的一些建议。

将<AspnetCompileMergeIntermediateOutputPath>c:\shortPath\</AspnetCompileMergeIntermediateOutputPath>添加到配置文件中似乎没有帮助。

添加<IntermediateOutputPath>..\Temp</IntermediateOutputPath>也似乎不起作用。

我猜这是因为这些设置被MSBuild捕获，但并没有被dnu publish捕获。

那么，我该如何告诉dnu publish在C:\Temp而不是我的appdata目录中构建包？

更新：找到罪魁祸首：我认为超过路径限制的文件不在上面的日志中，只有成功复制的文件才被记录。为了验证这个假设：

  1. 我通过手动运行 dnu publish 将文件部署到 c:\temp
  2. 将文件从 c:\temp 复制到 C:\Users\Christopher\AppData\Local\Temp\PublishTemp

  3. 运行脚本递归遍历所有文件并输出路径长度超过 248 个字符的结果:

    C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.Extensions.Configuration.FileProviderExtensions\1.0.0-rc1-final\lib\net451\Microsoft.Extensions.Configuration.FileProviderExtensions.dll

    文件路径长: 249 字符

    C:\Users\Christopher\AppData\Local\Temp\PublishTemp\CCollections.Client.Web.Angular96\approot\packages\Microsoft.Extensions.Configuration.FileProviderExtensions\1.0.0-rc1-final\lib\netcore50\Microsoft.Extensions.Configuration.FileProviderExtensions.dll

    文件路径长: 252 字符

最大的文件夹长度为 191 个字符，加上文件后为 252 个字符，因此分别不超过 240 和 260 个字符。

无论如何，我该如何告诉Visual Studio 2015使用"C:\temp"作为其临时目录，而不是我的个人资料的临时目录？
你能否发布你的 dnu publish 输出？此外，您可以通过“dnu publish -o <path>”更改输出。 - Dealdiane
当然可以。我编辑了我的帖子，包括完整的输出结果。 - Chris
你尝试过使用 -o（或者如果你想更明确一些，可以使用 --output）开关吗？ - Dealdiane
这是--out的别名，我已经在使用了。我理解这个错误的性质，并且当我手动运行此命令时，部署到较短的路径（如c:\inetpub\site）可以正常工作。我的问题是，当我使用Visual Studio的发布功能时，如何让它提供不同的目录。它正在使用那个长的临时目录，我不知道如何告诉它使用一个不同、更短的临时目录来执行dnu publish。 - Chris
输出中最长的字符串（路径+文件名）仅为176个字符，远远未达到260/248 maxpath限制。我曾经遇到过包含“.”的路径问题，我看到你的一个目录标签为：“CCollections.Client.Web.Angular96”，这可能是一个问题。我还遇到过%20或空格的问题。通常，这些问题是由在基于Unix（Linux）系统上创建的文件，然后移植到Windows上造成的。 - SRQ Coder
显示剩余4条评论
3个回答
34

将临时输出更改为路径名更短的路径。

  1. 使用文本编辑器打开位于.\Properties\PublishProfiles中的目标.pubxml文件。
  2. 在PropertyGroup下更改或添加名为PublishOutputPathNoTrailingSlash的元素，并将其值设置为所需路径。
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <PublishOutputPathNoTrailingSlash>C:\Temp\Publish</PublishOutputPathNoTrailingSlash>
  </PropertyGroup>
</Project>
3
如果你有机会访问达拉斯，我会请你喝一杯啤酒。 - Chris
2
如果你有机会去伦敦，我会请你喝一杯啤酒。 - Skorunka František
3
如果你有机会去巴黎，我认识一个人会请你喝啤酒。 - wilovent
1
如果你曾经访问拉脱维亚，我会为你买一些印有你名字的美味土豆！ +额外福利：这个优惠也适用于@Chris。 - briiC
1
这对我帮助不大，因为我正在使用一个Web项目，但是...嘿，如果你去西班牙萨拉戈萨，我会请你喝一杯啤酒。 - jlsfernandez
显示剩余10条评论
2

对于新的asp.net mvc 6，使用project.json

"exclude": [ "wwwroot", "node_modules" ],`
"publishExclude": [ "**.user",  "**.vspscc" ]
0

我认为这就是你要找的：

当你进入“发布Web”对话框时，你需要在“连接”选项卡中更改“目标位置”。（点击方框图标...），然后浏览到C:\Temp，你的文件将会存储在那里...

该对话框不允许你即时创建C:\Temp，所以如果你还没有创建它，你需要事先创建。

我希望这可以解决你的问题。

不幸的是，这并不适用于两个原因。1）我不想发布到临时文件夹。2）它仍然失败，原因完全相同，因为在将文件复制到c：\ temp之前，它使用的临时目录路径太长。 - Chris
将文件路径更改为排除点（.）的形式，例如：CCollections.Client.Web.Angular96 怎么样？ - SRQ Coder
问题在于发布功能使用我的Windows配置文件的临时路径来构建最终部署的文件。我不知道在哪里指示Visual Studio使用更短的路径。 - Chris
在解决方案资源管理器中的“PublishProfiles”下，有一个XML文件可以让您修改“_PublishTargetUrl”。我的看起来像这样：<?xml version="1.0" encoding="utf-8"?> <!-- <PropertyGroup> <TimeStampOfAssociatedLegacyPublishXmlFile /> <_PublishTargetUrl>C:\Users\Stephen\AppData</_PublishTargetUrl> </PropertyGroup> </Project> - SRQ Coder
我的开发机是Win 10 asp.net 5 1.0.0-rc1-final...在“src”项目下面，有一个“Properties”文件夹。里面有一个PublishProfiles文件夹，在其中有一个.pubxml扩展名的文件。 在该文件下面是一个带有.pubxml.user扩展名的文件。那就是我能够更改PublishTargetUrl字段的地方。 - SRQ Coder
显示剩余2条评论
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