当我清理并构建具有多个项目的解决方案时,输出窗口将报告构建成功。然而,当我查看错误列表窗口时,它向我显示了这样的警告:

发现同一依赖程序集的不同版本之间存在无法解决的冲突。当日志详细信息设置为detailed时,这些引用冲突将在生成日志中列出。C:\Program Files (x86)\MSBuild\12.0\bin\ Microsoft.Common.CurrentVersion.targets

当我双击此消息时,它将打开C:\Program Files (x86)\MSBuild\12.0\bin\ Microsoft.Common.CurrentVersion。目标文件,但我不明白任何东西在它。

我正在使用Visual Studio Express 2013的Web。

我如何找出什么是错误的,与哪个DLL,然后我如何使警告消失?


当前回答

I found that, sometimes, nuget packages will install (what I'm guessing are) .NET Core required components or other items that conflict with the already-installed framework. My solution there was to open the project (.csproj) file and remove those references. For example, System.IO, System.Threading and such, tend to be added when Microsoft.Bcl is included via some recently installed NuGet package. There's no reason for specific versions of those in my projects, so I remove the references and the project builds. Hope that helps.

您可以在项目文件中搜索“参考”并删除冲突。如果它们包含在系统中,那么去掉它们,构建应该可以工作。这可能不能回答这个问题的所有情况-我确保你知道什么对我有用:)

我注释掉的例子:

< !<参考Include=“系统。”Runtime,版本=2.6.9.0,Culture=neutral, PublicKeyToken= b03f5f7f3a, processorArchitecture=MSIL"> -> < !- <HintPath>$(解决方案)packages\Microsoft.Bcl.1.1.9\lib\net40\系统. runtpath > < !<Private>True</Private> -> < !</参考> ->

其他回答

运行msbuild Foo。sln /t:Rebuild /v:diag(来自C:\Program Files (x86)\MSBuild\12.0\ bin)从命令行构建解决方案并获得更多详细信息,然后找到.csproj. diag文件。它将记录警告并检查其引用以及使用相同公共程序集但版本不同的其他项目的引用。

编辑:你也可以在VS2013中直接设置构建细节。转到工具>选项菜单,然后转到项目和解决方案,将MSBuild verbose设置为诊断。

编辑:有些澄清,因为我自己也有一个。在我的例子中,警告是由于我使用Resharper提示符添加引用,而不是添加引用对话框,这使得它无版本,即使v4和v12都可以选择。

<Reference Include="Microsoft.Build, Version=12.0.0.0, ..." />
<Reference Include="Microsoft.Build.Framework" />

vs

<Reference Include="Microsoft.Build, Version=12.0.0.0, ..." />
<Reference Include="Microsoft.Build.Framework, Version=12.0.0.0, ..." />

在使用/v:diag的MSBuild日志中,它看起来如下所示。给出两个引用相冲突的细节:-

  There was a conflict between 
  "Microsoft.Build.Framework, Version=4.0.0.0, ..." and 
  "Microsoft.Build.Framework, Version=12.0.0.0, ...". (TaskId:16)

      "Microsoft.Build.Framework, Version=4.0.0.0, ..." was chosen because it was primary and 
      "Microsoft.Build.Framework, Version=12.0.0.0, ..." was not. (TaskId:16)

      References which depend on "Microsoft.Build.Framework, Version=4.0.0.0, ..." 
      [C:\...\v4.5.1\Microsoft.Build.Framework.dll]. (TaskId:16)

          C:\...\v4.5.1\Microsoft.Build.Framework.dll (TaskId:16)
            Project file item includes which caused reference "C:\...\v4.5.1\Microsoft.Build.Framework.dll". (TaskId:16)
              Microsoft.Build.Framework (TaskId:16)

      References which depend on "Microsoft.Build.Framework, Version=12.0.0.0, ..." 
      [C:\...\v12.0\Microsoft.Build.Framework.dll]. (TaskId:16)

          C:\...\v12.0\Microsoft.Build.dll (TaskId:16)
            Project file item includes which caused reference "C:\...\v12.0\Microsoft.Build.dll". (TaskId:16)
              Microsoft.Build, Version=12.0.0.0, ... (TaskId:16)

          C:\...\v12.0\Microsoft.Build.Engine.dll (TaskId:16)
            Project file item includes which caused reference "C:\...\v12.0\Microsoft.Build.Engine.dll". (TaskId:16)
              Microsoft.Build, Version=12.0.0.0, ... (TaskId:16)

C:\Program Files (x86)\MSBuild\12.0\bin\Microsoft.Common.CurrentVersion.targets(1697,5): warning MSB3277: 
Found conflicts between different versions of the same dependent assembly that could not be resolved.  
These reference conflicts are listed in the build log when log verbosity is set to detailed. 
[C:\Users\Ilya.Kozhevnikov\Dropbox\BuildTree\BuildTree\BuildTree.csproj]

我该如何让警告消失呢?

你可能需要重新安装或升级你的NuGet包来解决这个问题。

请注意,我通过将AutoGenerateBindingRedirects放在csproj文件中的TargetFramework之后解决了这个问题:

<TargetFramework>net462</TargetFramework>
<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>

根据其他答案,将输出日志记录级别设置为detailed并在那里搜索冲突,这将告诉您下一步要查看的位置。

在我的例子中,它让我在几个方向上寻找引用的源,但最后发现问题出在我的一个可移植类库项目上,它瞄准了错误的版本,并引入了自己的引用版本,因此产生了冲突。一个快速的重新定位,问题就解决了。

在将包从nuget切换到本地引用dll后,我遇到了这个问题。这个问题是app.config中的旧的运行时绑定。