无法加载文件或程序集“ServiceStack”或其依赖项之一。该系统找不到指定的文件

我试图将我的网络应用程序启动到服务器，

Server：Windows Server 2008 R2 企业版
IIS版本: 7.5
框架版本：4.0.30319.17929

但出现以下错误：

Server Error in '/salavirtual' Application.

Could not load file or assembly 'ServiceStack' or one of its dependencies.   
The system cannot find the file specified.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.IO.FileNotFoundException: Could not load file or assembly 'ServiceStack' or one of its dependencies. The system cannot find the file specified.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Assembly Load Trace: The following information can be helpful to determine why the assembly 'ServiceStack' could not be loaded.


 WRN: Assembly binding logging is turned OFF.
 To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1.
 Note: There is some performance penalty associated with assembly bind failure logging.
 To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].

Stack Trace:


[FileNotFoundException: Could not load file or assembly 'ServiceStack' or one of its dependencies. The system cannot find the file specified.]
 System.RuntimeTypeHandle.GetTypeByName(String name, Boolean throwOnError, Boolean ignoreCase, Boolean reflectionOnly, StackCrawlMarkHandle stackMark, IntPtr pPrivHostBinder, Boolean loadTypeFromPartialName, ObjectHandleOnStack type) +0
 System.RuntimeTypeHandle.GetTypeByName(String name, Boolean throwOnError, Boolean ignoreCase, Boolean reflectionOnly, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean loadTypeFromPartialName) +70
 System.RuntimeType.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase, Boolean reflectionOnly, StackCrawlMark& stackMark) +39
 System.Type.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase) +62
 System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase) +65
 System.Web.Handlers.AssemblyResourceLoader.EnsureHandlerExistenceChecked() +397    
 System.Web.Handlers.AssemblyResourceLoader.IsValidWebResourceRequest(HttpContext context) +12
 System.Web.Security.FormsAuthenticationModule.OnEnter(Object source, EventArgs eventArgs) +158
 System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +136
 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +69

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.17929

听起来您有 .dll/NuGet 包依赖性问题。

我会做一个干净的构建，关闭 VS.NET，删除/packages文件夹，然后重新打开 VS.NET 并重建解决方案以恢复所有包。检查后/packages文件夹以确保所有 ServiceStack 包具有相同的版本，例如v4.0.46。如果不是，请升级所有项目以确保它们引用相同的 NuGet 版本。