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<div style='display: inline'> <h1 style='font-family: Malgun Gothic, Consolas; font-size: 20pt; color: #006699; text-align: center; font-weight: bold'>.NET Framework 3.5 이하에서 mscoree.tlb 참조 시 System.BadImageFormatException</h1> <p> 오랜만에 테스트 삼아 비주얼 스튜디오에서 .NET Framework 3.5 프로젝트를 만들고 "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\mscoree.tlb"를 참조해 실행했더니 이런 예외가 발생합니다. (또는, <a target='tab' href='https://www.sysnet.pe.kr/2/0/1381#icorruntimehost'>참조 없이 사용하는 것도 가능</a>합니다.)<br /> <br /> <pre style='height: 400px; margin: 10px 0px 10px 10px; padding: 10px 0px 10px 10px; background-color: #fbedbb; overflow: auto; font-family: Consolas, Verdana;' > Server Error in '/' Application. Could not load file or assembly 'Interop.mscoree' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded. 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.BadImageFormatException: Could not load file or assembly 'Interop.mscoree' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded. 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 'Interop.mscoree' could not be loaded. === Pre-bind state information === LOG: User = testusr10\testusr LOG: DisplayName = Interop.mscoree (Partial) LOG: Appbase = file:///C:/temp/ConsoleApp1/WebApplication1/ LOG: Initial PrivatePath = C:\temp\ConsoleApp1\WebApplication1\bin Calling assembly : (Unknown). === LOG: This bind starts in default load context. LOG: Using application configuration file: C:\temp\ConsoleApp1\WebApplication1\web.config LOG: Using host configuration file: C:\Users\testusr\Documents\IISExpress\config\aspnet.config LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\machine.config. LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind). LOG: Attempting download of new URL file:///C:/Users/testusr/AppData/Local/Temp/Temporary ASP.NET Files/root/2dbd3481/142dce22/Interop.mscoree.DLL. LOG: Attempting download of new URL file:///C:/Users/testusr/AppData/Local/Temp/Temporary ASP.NET Files/root/2dbd3481/142dce22/Interop.mscoree/Interop.mscoree.DLL. LOG: Attempting download of new URL file:///C:/temp/ConsoleApp1/WebApplication1/bin/Interop.mscoree.DLL. ERR: Failed to complete setup of assembly (hr = 0x8013101b). Probing terminated. Stack Trace: [BadImageFormatException: Could not load file or assembly 'Interop.mscoree' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded.] System.Reflection.Assembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection) +0 System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +416 System.Reflection.Assembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +166 System.Reflection.Assembly.Load(String assemblyString) +35 System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +190 [ConfigurationErrorsException: Could not load file or assembly 'Interop.mscoree' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded.] System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +11347592 System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainBinDirectory() +388 System.Web.Configuration.CompilationSection.LoadAssembly(AssemblyInfo ai) +232 System.Web.Configuration.AssemblyInfo.get_AssemblyInternal() +48 System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection compConfig) +210 System.Web.Compilation.WebDirectoryBatchCompiler..ctor(VirtualDirectory vdir) +191 System.Web.Compilation.BuildManager.BatchCompileWebDirectoryInternal(VirtualDirectory vdir, Boolean ignoreErrors) +54 System.Web.Compilation.BuildManager.CompileWebFile(VirtualPath virtualPath) +295 System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) +476 System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) +116 System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory(VirtualPath virtualPath, HttpContext context, Boolean allowCrossApp, Boolean noAssert) +175 System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp, Boolean noAssert) +52 System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +50 System.Web.MaterializeHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +425 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +263 Version Information: Microsoft .NET Framework Version:2.0.50727.9174; ASP.NET Version:2.0.50727.9175 </pre> <br /> 에러 메시지에는 분명히 "System.BadImageFormatException: Could not load file or assembly 'Interop.mscoree' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded."라고 원인을 친절하게 설명하고 있지만, 저는 분명히 CLR 2 버전의 x64 mscoree.tlb를 참조했는데... 뭐가 문제라는 걸까요? ^^;<br /> <br /> 우선, 원인 파악을 위해 비주얼 스튜디오가 (mscoree.tlb 참조 시 자동으로) 생성한 Interop.mscoree.dll 파일을 역어셈블러를 통해 확인해 봤습니다.<br /> <br /> <pre style='margin: 10px 0px 10px 10px; padding: 10px 0px 10px 10px; background-color: #fbedbb; overflow: auto; font-family: Consolas, Verdana;' > // Interop.mscoree, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null // Global type: <Module> // Architecture: AnyCPU (64-bit preferred) // <span style='color: blue; font-weight: bold'>Runtime: .NET Framework 4</span> // Timestamp: 65DD458F (2/26/2024 21:14:39 AM) </pre> <br /> 그러니까... 분명히 CLR 2 x64 mscoree 어셈블리는 맞는데, 비주얼 스튜디오가 생성한 interop DLL은 ".NET Framework 4"용으로 출력이 된 것입니다. 다시 말해, 비주얼 스튜디오는 .NET Framework 4용의 tlbimp.exe를 사용해 interop DLL을 생성했던 것입니다. <br /> <br /> 그렇다면 .NET Framework 2.0용의 tlbimp.exe를 구해야 하는데요, 이게 ^^; 근래의 Windows SDK (예를 들어 Windows 10 SDK)에는 포함돼 있지 않습니다. 어쩔 수 없습니다. <a target='tab' href='https://www.sysnet.pe.kr/2/0/13566'>Windows 7 SDK를 일부러 설치</a>하거나, 혹은 설치돼 있는 PC에서 "C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin" 경로에 있는 tlbimp.exe 파일을 복사해 다음과 같이 실행해 주면 됩니다.<br /> <br /> <pre style='margin: 10px 0px 10px 10px; padding: 10px 0px 10px 10px; background-color: #fbedbb; overflow: auto; font-family: Consolas, Verdana;' > c:\temp> <span style='color: blue; font-weight: bold'>tlbimp "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\mscoree.tlb" /out:Interop.mscoree.dll</span> Microsoft (R) .NET Framework Type Library to Assembly Converter 3.5.30729.1 Copyright (C) Microsoft Corporation. All rights reserved. TlbImp : warning TI0000 : Importing a type library into a platform agnostic assembly. This can cause errors if the type library is not truly platform agnostic. TlbImp : warning TI0000 : At least one of the arguments for 'CorRuntimeHost.SwitchOutLogicalThreadState' cannot be marshaled by the runtime marshaler. Such arguments will therefore be passed as a pointer and may require unsafe code to manipulate. TlbImp : warning TI0000 : At least one of the arguments for 'ICorRuntimeHost.SwitchOutLogicalThreadState' cannot be marshaled by the runtime marshaler. Such arguments will therefore be passed as a pointer and may require unsafe code to manipulate. TlbImp : warning TI0000 : The type library importer could not convert the signature for the member 'tag_VerError.item1_data'. TlbImp : warning TI0000 : The type library importer could not convert the signature for the member 'tag_VerError.item2_data'. Type library imported to C:\temp\Interop.mscoree.dll </pre> <br /> 이렇게 생성한 dll 파일을 역어셈블러로 확인하면 이런 정보가 나옵니다.<br /> <br /> <pre style='margin: 10px 0px 10px 10px; padding: 10px 0px 10px 10px; background-color: #fbedbb; overflow: auto; font-family: Consolas, Verdana;' > // mscoree.dll // Global type: <Module> // Architecture: AnyCPU (64-bit preferred) // <span style='color: blue; font-weight: bold'>Runtime: .NET Framework 2.0</span> // Timestamp: 65DD764B (2/26/2024 21:42:35 PM) </pre> <br /> 끝이군요, 이제 ^^ 기존 프로젝트에서 참조한 "mscoree" 항목을 삭제하고 위의 명령어로 생성한 "Interop.mscoree.dll" 파일을 직접 참조하면 됩니다.<br /> <br /> (첨부 파일은 위의 방법으로 생성한 "Interop.mscoree.dll"입니다.)<br /> </p><br /> <br /><hr /><span style='color: Maroon'>[이 글에 대해서 여러분들과 의견을 공유하고 싶습니다. 틀리거나 미흡한 부분 또는 의문 사항이 있으시면 언제든 댓글 남겨주십시오.]</span> </div>
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