.net - 如何通过NuGet安装SignalR，添加Microsoft.Web.Infrastruct失败？

Question

我尝试使用以下方式安装 SignalR:

Install-Package Microsoft.AspNet.SignalR -pre

我收到一条错误消息，指出 Nuget 无法添加 Microsfot.Web.Infrastruct 引用。任何人都知道为什么会这样？以下是完整输出:

PM> Install-Package Microsoft.AspNet.SignalR -pre
Attempting to resolve dependency 'Microsoft.AspNet.SignalR.JS (≥ 1.0.0-rc1)'.
Attempting to resolve dependency 'jQuery (≥ 1.6.4)'.
Attempting to resolve dependency 'Microsoft.AspNet.SignalR.SystemWeb (≥ 1.0.0-rc1)'.
Attempting to resolve dependency 'Microsoft.AspNet.SignalR.Owin (≥ 1.0.0-rc1)'.
Attempting to resolve dependency 'Microsoft.AspNet.SignalR.Core (≥ 1.0.0-rc1)'.
Attempting to resolve dependency 'Newtonsoft.Json (≥ 4.5.4)'.
Attempting to resolve dependency 'Owin (≥ 1.0)'.
Attempting to resolve dependency 'Microsoft.Owin.Host.SystemWeb (≥ 1.0.0-rc1)'.
Attempting to resolve dependency 'Microsoft.Web.Infrastructure (≥ 1.0.0.0)'.
You are downloading Microsoft.AspNet.SignalR.Core from Microsoft, the license agreement to which is available at http://www.microsoft.com/web/webpi/eula/aspnet_and_web_tools_2012_EULA_ENU.htm. Check the package for additional dependencies, which may come with their own license agreement(s). Your use of the package and dependencies constitutes your acceptance of their license agreements. If you do not accept the license agreement(s), then delete the relevant components from your device.
Successfully installed 'Microsoft.AspNet.SignalR.Core 1.0.0-rc1'.
Successfully installed 'Owin 1.0'.
You are downloading Microsoft.AspNet.SignalR.Owin from Microsoft, the license agreement to which is available at http://www.microsoft.com/web/webpi/eula/aspnet_and_web_tools_2012_EULA_ENU.htm. Check the package for additional dependencies, which may come with their own license agreement(s). Your use of the package and dependencies constitutes your acceptance of their license agreements. If you do not accept the license agreement(s), then delete the relevant components from your device.
Successfully installed 'Microsoft.AspNet.SignalR.Owin 1.0.0-rc1'.
Successfully installed 'Microsoft.Web.Infrastructure 1.0.0.0'.
Successfully added 'Microsoft.AspNet.SignalR.Core 1.0.0-rc1' to OProject.
Successfully added 'Owin 1.0' to OProject.
Successfully added 'Microsoft.AspNet.SignalR.Owin 1.0.0-rc1' to OProject.
Value does not fall within the expected range.
Successfully uninstalled 'Microsoft.Web.Infrastructure 1.0.0.0'.
Successfully uninstalled 'Microsoft.AspNet.SignalR.Owin 1.0.0-rc1'.
Successfully uninstalled 'Owin 1.0'.
Successfully uninstalled 'Microsoft.AspNet.SignalR.Core 1.0.0-rc1'.
Install failed. Rolling back...
Install-Package : Failed to add reference to 'Microsoft.Web.Infrastructure'.
At line:1 char:16
+ Install-Package <<<<  Microsoft.AspNet.SignalR -pre
    + CategoryInfo          : NotSpecified: (:) [Install-Package], InvalidOperationException
    + FullyQualifiedErrorId : NuGetCmdletUnhandledException,NuGet.PowerShell.Commands.InstallPackageCommand

Answer 1

确保您也运行最新的 Nuget。你用的是VS2012还是VS2010