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.Net程序集加载问题期间的BadImageFormatException

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当我尝试访问IIS 7.0中的网站（使用Windows Server 2008上的VSTS 2010 .Net 4.0开发）中的页面（default.aspx）时，我遇到以下错误消息 . 有什么想法有什么不对？ BadImageFormatException是什么意思？

顺便说一句：我运行Windows Server 2008 64位（不是R2）并且还没有激活Windows Server 2008，它可能是根本原因吗？

[BadImageFormatException: Could not load file or assembly 'test.foo' or one of its dependencies. Try to load bad formatted program. ]
   System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +0
   System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection, Boolean suppressSecurityChecks) +567
   System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +192
   System.Reflection.Assembly.Load(String assemblyString) +35
   System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +118

[ConfigurationErrorsException: Could not load file or assembly 'test.foo' or one of its dependencies.  Try to load bad formatted program. ]
   System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +11392147
   System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainBinDirectory() +484
   System.Web.Configuration.AssemblyInfo.get_AssemblyInternal() +127
   System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection compConfig) +334
   System.Web.Compilation.BuildManager.CallPreStartInitMethods() +280
   System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters, PolicyLevel policyLevel, Exception appDomainCreationException) +1087

[HttpException (0x80004005): Could not load file or assembly 'test.foo' or one of its dependencies.  Try to load bad formatted program. ]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +11524352
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +141
   System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +4782309
c# asp.net .net visual-studio-2010 iis

3 回答

  • 16

    在找到程序集文件时引发 BadImageFormatException ，但它不是正确的程序集，或者已损坏 . 例如，如果您将文件FTP到服务器并且传输被中断，则DLL文件可能仅部分传输，从而导致发生此错误 .

    在64位与32位上：当您使用P / Invoke或COM Interop时，切换到特定目标编译的some blogger reports可能有助于您的情况 . 这意味着：如果你使用32位dll进行接口，请确保编译为 x86 ，强制它在WoW32下运行，否则你将收到此异常 . 此修复程序是confirmed here和here .

    或者，您可以通过运行以下命令将整个系统设置为默认的32位：

    Ldr64.exe setwow

    来自 Framework64 目录 .

    常见的解决方案是重建文件，或者至少重新发布它 .

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  • 7

    我在将32位DLL部署到运行IIS 7的64位服务器上时得到了这个 .

    要修复它，我必须在我的应用程序池的高级设置中将“启用32位应用程序”设置为True .

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  • 2

    您的网站是否使用DefaultAppPool？如果是这样，请尝试将您的网站的应用程序池设置为ASP .Net v4.0，或者如果您使用的是自定义应用程序池，请验证它是否正在运行.net framework 4.0

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