NuGet 恢复渐进式失败

Question

为什么在 3 个手动触发的连续构建中，我会在完全相同的变更集 上得到不同的 NuGet 恢复构建失败 ？第四次构建成功。

我仔细检查了 NuGet's twitter feed，没有任何问题或停机报告。

这是在以下命令中发生的：

nuget.exe restore MySolution.sln

首次构建：

 Installing 'Microsoft.Data.Edm 5.6.2'.
 Installing 'Microsoft.Data.Services.Client 5.6.2'.
 Successfully installed 'Microsoft.Data.Edm 5.6.2'.
 Successfully installed 'Microsoft.Data.Services.Client 5.6.2'.
 Installing 'Microsoft.WindowsAzure.ConfigurationManager 2.0.3'.
 Successfully installed 'Microsoft.WindowsAzure.ConfigurationManager 2.0.3'.
 Installing 'Owin 1.0'.
 Successfully installed 'Owin 1.0'.
 Installing 'Microsoft.Data.OData 5.6.2'.
 Successfully installed 'Microsoft.Data.OData 5.6.2'.
 Installing 'System.Spatial 5.6.2'.
 Successfully installed 'System.Spatial 5.6.2'.
 Unable to find version '5.2.3' of package 'Microsoft.AspNet.WebApi.Client'.
 Unable to find version '5.2.3' of package 'Microsoft.AspNet.WebApi.Core'.
 Unable to find version '5.2.3' of package 'Microsoft.AspNet.WebApi.Owin'.
 Unable to find version '3.0.1' of package 'Microsoft.Owin'.
 Unable to find version '3.0.1' of package 'Microsoft.Owin.Host.SystemWeb'.
 Unable to find version '6.0.8' of package 'Newtonsoft.Json'.
 Unable to find version '4.3.0' of package 'WindowsAzure.Storage'.

第二次构建：

Installing 'Owin 1.0'.
Successfully installed 'Owin 1.0'.
Unable to find version '5.2.3' of package 'Microsoft.AspNet.WebApi.Client'.
Unable to find version '5.2.3' of package 'Microsoft.AspNet.WebApi.Core'.
Unable to find version '5.2.3' of package 'Microsoft.AspNet.WebApi.Owin'.
Unable to find version '5.6.4' of package 'Microsoft.Data.Edm'.
Unable to find version '5.6.4' of package 'Microsoft.Data.OData'.
Unable to find version '5.6.4' of package 'Microsoft.Data.Services.Client'.
Unable to find version '3.0.1' of package 'Microsoft.Owin'.
Unable to find version '3.0.1' of package 'Microsoft.Owin.Host.SystemWeb'.
Unable to find version '3.1.0' of package 'Microsoft.WindowsAzure.ConfigurationManager'.
Unable to find version '6.0.8' of package 'Newtonsoft.Json'.
Unable to find version '5.6.4' of package 'System.Spatial'.
Unable to find version '4.3.0' of package 'WindowsAzure.Storage'.

第三个版本：

 Installing 'Newtonsoft.Json 6.0.8'.
 Installing 'Microsoft.Data.Edm 5.6.4'.
 Successfully installed 'Microsoft.Data.Edm 5.6.4'.
 Installing 'Microsoft.Data.Services.Client 5.6.4'.
 Successfully installed 'Microsoft.Data.Services.Client 5.6.4'.
 Installing 'Microsoft.AspNet.WebApi.Owin 5.2.3'.
 Installing 'Microsoft.AspNet.WebApi.Client 5.2.3'.
 Successfully installed 'Microsoft.AspNet.WebApi.Owin 5.2.3'.
 Successfully installed 'Microsoft.AspNet.WebApi.Client 5.2.3'.
 Installing 'Microsoft.Owin.Host.SystemWeb 3.0.1'.
 Successfully installed 'Microsoft.Owin.Host.SystemWeb 3.0.1'.
 Installing 'Microsoft.AspNet.WebApi.Core 5.2.3'.
 Successfully installed 'Microsoft.AspNet.WebApi.Core 5.2.3'.
 Installing 'Owin 1.0'.
 Successfully installed 'Owin 1.0'.
 Installing 'System.Spatial 5.6.4'.
 Installing 'Microsoft.WindowsAzure.ConfigurationManager 3.1.0'.
 Installing 'WindowsAzure.Storage 4.3.0'.
 Successfully installed 'Microsoft.WindowsAzure.ConfigurationManager 3.1.0'.
 Successfully installed 'System.Spatial 5.6.4'.
 Successfully installed 'WindowsAzure.Storage 4.3.0'.
 Successfully installed 'Newtonsoft.Json 6.0.8'.
 Unable to find version '5.6.4' of package 'Microsoft.Data.OData'.
 Unable to find version '3.0.1' of package 'Microsoft.Owin'.

第四次建造：

成功！

Answer 1

Visual Studio Online 上的 Host Build Controller 现在隐式执行 NuGet。它没有同样的问题！