c# - "End of Central Directory record could not be found"- VS 社区 2015 中的 NuGet

Question

当我尝试从 VS 社区版 2015 中的 NuGet 安装任何包时出现错误。

Attempting to gather dependencies information for package 'Microsoft.Net.Http.2.2.29' with respect to project 'ClassLibrary1', targeting '.NETFramework,Version=v4.5.2'
Attempting to resolve dependencies for package 'Microsoft.Net.Http.2.2.29' with DependencyBehavior 'Lowest'
Resolving actions to install package 'Microsoft.Net.Http.2.2.29'
Resolved actions to install package 'Microsoft.Net.Http.2.2.29'
Install failed. Rolling back...
Package 'Microsoft.Bcl.Build 1.0.14' does not exist in project 'ClassLibrary1'
Package 'Microsoft.Bcl.Build 1.0.14' does not exist in folder 'C:\Users\441793\documents\visual studio 2015\Projects\ClassLibrary1\packages'
System.IO.InvalidDataException: End of Central Directory record could not be found.
   at System.IO.Compression.ZipArchive.ReadEndOfCentralDirectory()
   at System.IO.Compression.ZipArchive.Init(Stream stream, ZipArchiveMode mode, Boolean leaveOpen)
   at System.IO.Compression.ZipArchive..ctor(Stream stream, ZipArchiveMode mode, Boolean leaveOpen, Encoding entryNameEncoding)
   at System.IO.Compression.ZipArchive..ctor(Stream stream, ZipArchiveMode mode)
   at NuGet.Packaging.NuGetPackageUtils.ExtractPackage(String targetPath, FileStream stream)
   at NuGet.Packaging.NuGetPackageUtils.<>c__DisplayClass1_0.<<InstallFromStreamAsync>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
   at NuGet.Common.ConcurrencyUtilities.<ExecuteWithFileLocked>d__0`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at NuGet.Common.ConcurrencyUtilities.<ExecuteWithFileLocked>d__0`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
   at NuGet.Packaging.NuGetPackageUtils.<InstallFromStreamAsync>d__1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.GetResult()
   at NuGet.Protocol.Core.v3.GlobalPackagesFolderUtility.<AddPackageAsync>d__1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
   at NuGet.Protocol.Core.v3.DownloadResourceV3.<GetDownloadResourceResultAsync>d__4.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at NuGet.PackageManagement.PackageDownloader.<GetDownloadResourceResultAsync>d__1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
   at NuGet.PackageManagement.NuGetPackageManager.<ExecuteNuGetProjectActionsAsync>d__42.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at NuGet.PackageManagement.NuGetPackageManager.<ExecuteNuGetProjectActionsAsync>d__42.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at NuGet.PackageManagement.UI.UIActionEngine.<ExecuteActionsAsync>d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at NuGet.PackageManagement.UI.UIActionEngine.<PerformActionAsync>d__3.MoveNext()
========== Finished ==========

我收到的错误消息在错误列表选项卡中是

End of Central Directory record could not be found

我尝试从控制台应用程序到类库，并为我尝试安装的所有包都收到此错误。

NuGet 版本是:3.0.60624.657

任何帮助将不胜感激

Answer 1

进入您的解决方案文件夹并删除您的“packages”文件夹。您需要右键单击您的解决方案并选择“管理包”，然后单击屏幕顶部的“恢复”按钮，它会告诉您包丢失。