René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Add-Type fails sporadically with \"An item with the same key has already been added\"","articleBody":"### Prerequisites\r\n\r\n- [X] Write a descriptive title.\r\n- [X] Make sure you are able to repro it on the [latest released version](https://github.com/PowerShell/PowerShell/releases)\r\n- [X] Search the existing issues.\r\n- [X] Refer to the [FAQ](https://github.com/PowerShell/PowerShell/blob/master/docs/FAQ.md).\r\n- [X] Refer to [Differences between Windows PowerShell 5.1 and PowerShell](https://docs.microsoft.com/powershell/scripting/whats-new/differences-from-windows-powershell).\r\n\r\n### Steps to reproduce\r\n\r\nThis is elusive but *Add-Type* fails sporadically with *\"An item with the same key has been already added\"*  when auto-importing module on daily build of PS 7.3 (Preview.3 and Preview.4) and PS 7.2.4 as well.\r\n\r\nIt happens usually on freshly started PowerShell console session.\r\n\r\n**What is strange is that importing the failing module again but implicitly with *-Force* switch succeeds (please see the actual behavior)**\r\n\r\nThis is not unique to specific module. In the attached example the *Add-Type* fails in official release of *PowerShellGet* module (2.2.5) - lines 517 and 796 as well as in my module *KBSystemTools* line 136:\r\n\r\nPowerShellGet (file - PSModule.psm1):\r\n~line 517\r\n```powershell\r\n    try {\r\n        $AddType_prams = @{\r\n            TypeDefinition = $InternalWebProxySource\r\n            Language       = 'CSharp'\r\n            ErrorAction    = 'SilentlyContinue'\r\n        }\r\n        if (-not $script:IsCoreCLR -or $script:IsNanoServer) {\r\n            $AddType_prams['ReferencedAssemblies'] = $RequiredAssembliesForInternalWebProxy\r\n        }\r\n\u003e\u003e\u003eEXCEPTION\u003e\u003e\u003e        Add-Type @AddType_prams\r\n    }\r\n    catch {\r\n        Write-Warning -Message \"InternalWebProxy: $_\"\r\n    }\r\n```\r\n~line 796\r\n```powershell\r\n    try {\r\n        $AddType_prams = @{\r\n            TypeDefinition = $Win32HelpersSource\r\n            Language       = 'CSharp'\r\n            ErrorAction    = 'SilentlyContinue'\r\n        }\r\n        if ((-not $script:IsCoreCLR -or $script:IsNanoServer) -and $RequiredAssembliesForWin32Helpers) {\r\n            $AddType_prams['ReferencedAssemblies'] = $RequiredAssembliesForWin32Helpers\r\n        }\r\n\u003e\u003e\u003eEXCEPTION\u003e\u003e\u003e        Add-Type @AddType_prams\r\n    }\r\n    catch {\r\n        Write-Warning -Message \"Win32Helpers: $_\"\r\n    }\r\n}\r\n```\r\nKBSystemTools (file - KBSystemTools.psm1):\r\n~ line 136\r\n```powershell\r\n\t$Local_ReferencedAssemblies = if ($PSVersionTable.PSVersion.Major -lt 6) {\r\n\t\tAdd-Type -Path ([IO.Path]::Combine($PSScriptRoot, 'Assemblies', 'net20', 'Cassia.dll')) -ErrorAction Stop\r\n\t\tAdd-Type -Path ([IO.Path]::Combine($PSScriptRoot, 'Assemblies', 'net472', 'NuGet.Versioning.dll')) -ErrorAction Stop\r\n\t\tAdd-Type -Path ([IO.Path]::Combine($PSScriptRoot, 'Assemblies', 'net45', 'Figgle.dll')) -ErrorAction Stop\r\n\t} else {\r\n\t\tAdd-Type -Path ([IO.Path]::Combine($PSScriptRoot, 'Assemblies', 'netstandard20', 'Cassia.dll')) -ErrorAction Stop\r\n\t\tAdd-Type -Path ([IO.Path]::Combine($PSScriptRoot, 'Assemblies', 'netstandard20', 'NuGet.Versioning.dll')) -ErrorAction Stop\r\n\t\tAdd-Type -Path ([IO.Path]::Combine($PSScriptRoot, 'Assemblies', 'netstandard13', 'Figgle.dll')) -ErrorAction Stop\r\n\t\t[String[]][IO.Directory]::EnumerateFiles([IO.Path]::Combine($PSHOME, 'ref'), '*.dll', [IO.SearchOption]::TopDirectoryOnly)\r\n\t}\r\n\u003e\u003e\u003eEXCEPTION\u003e\u003e\u003e\tAdd-Type -TypeDefinition $Local_KBSystemToolsType -ReferencedAssemblies $Local_ReferencedAssemblies -ErrorAction Stop\r\n```\r\n\r\n\r\n\r\n### Expected behavior\r\n\r\n```console\r\nAdd-Type should not fail.\r\n```\r\n\r\n\r\n### Actual behavior\r\n\r\n```console\r\n[7.2][Bukem@ATLANTIS] \u003e Update-KBModule -Verbose\r\nWARNING: InternalWebProxy: An item with the same key has already been added. Key: 1151434954\r\nWARNING: Win32Helpers: An item with the same key has already been added. Key: -620943648\r\nUpdate-KBModule: The term 'Update-KBModule' is not recognized as a name of a cmdlet, function, script file, or executable program.\r\nCheck the spelling of the name, or if a path was included, verify that the path is correct and try again.\r\n[7.2][Bukem@ATLANTIS] \u003e Import-Module KBSystemTools -Force -Verbose\r\nVERBOSE: Loading module from path 'D:\\USERS\\BUKEM\\Documents\\PowerShell\\Modules\\KBSystemTools\\KBSystemTools.psd1'.\r\nVERBOSE: Removing the imported \"Compare-KBCmdletParameter\" function.\r\nVERBOSE: Removing the imported \"Connect-KBShadowSession\" function.\r\nVERBOSE: Removing the imported \"Find-KBModulePopular\" function.\r\nVERBOSE: Removing the imported \"Find-KBModuleUpdate\" function.\r\nVERBOSE: Removing the imported \"Get-KBMcAfeeEpoPattern\" function.\r\nVERBOSE: Removing the imported \"Get-KBPublicIP\" function.\r\nVERBOSE: Removing the imported \"Get-KBSymantecMailSecurityPattern\" function.\r\nVERBOSE: Removing the imported \"Get-KBWindowsUpdate\" function.\r\nVERBOSE: Removing the imported \"Install-KBWindowsUpdate\" function.\r\nVERBOSE: Removing the imported \"Send-KBMouseLeftClick\" function.\r\nVERBOSE: Removing the imported \"Set-KBPSEConfiguration\" function.\r\nVERBOSE: Removing the imported \"Test-KBWebAccess\" function.\r\nVERBOSE: Removing the imported \"Uninstall-KBOutdatedModule\" function.\r\nVERBOSE: Removing the imported \"Update-KBHelp\" function.\r\nVERBOSE: Removing the imported \"Update-KBModule\" function.\r\nVERBOSE: Removing the imported \"Write-KBAsciiBanner\" function.\r\nVERBOSE: Loading 'FormatsToProcess' from path 'D:\\USERS\\BUKEM\\Documents\\PowerShell\\Modules\\KBSystemTools\\Data\\FormatData\\KBModulePopular.Format.ps1xml'.\r\nVERBOSE: Loading 'FormatsToProcess' from path 'D:\\USERS\\BUKEM\\Documents\\PowerShell\\Modules\\KBSystemTools\\Data\\FormatData\\KBModuleUpdate.Format.ps1xml'.\r\nVERBOSE: Loading module from path 'D:\\USERS\\BUKEM\\Documents\\PowerShell\\Modules\\KBSystemTools\\KBSystemTools.psm1'.\r\nVERBOSE: Importing function 'Compare-KBCmdletParameter'.\r\nVERBOSE: Importing function 'Connect-KBShadowSession'.\r\nVERBOSE: Importing function 'Find-KBModulePopular'.\r\nVERBOSE: Importing function 'Find-KBModuleUpdate'.\r\nVERBOSE: Importing function 'Get-KBMcAfeeEpoPattern'.\r\nVERBOSE: Importing function 'Get-KBPublicIP'.\r\nVERBOSE: Importing function 'Get-KBSymantecMailSecurityPattern'.\r\nVERBOSE: Importing function 'Get-KBWindowsUpdate'.\r\nVERBOSE: Importing function 'Install-KBWindowsUpdate'.\r\nVERBOSE: Importing function 'Send-KBMouseLeftClick'.\r\nVERBOSE: Importing function 'Set-KBPSEConfiguration'.\r\nVERBOSE: Importing function 'Test-KBWebAccess'.\r\nVERBOSE: Importing function 'Uninstall-KBOutdatedModule'.\r\nVERBOSE: Importing function 'Update-KBHelp'.\r\nVERBOSE: Importing function 'Update-KBModule'.\r\nVERBOSE: Importing function 'Write-KBAsciiBanner'.\r\n[7.2][Bukem@ATLANTIS] \u003e Update-KBModule -Verbose\r\nVERBOSE: Local module: CompletionPredictor v0.1.0\r\nVERBOSE: Local module: Microsoft.PowerShell.ConsoleGuiTools v0.6.2\r\nVERBOSE: Local module: Microsoft.PowerShell.Crescendo v1.0.0\r\nVERBOSE: Local module: ScriptBlockDisassembler v1.1.0\r\nVERBOSE: Local module: WindowsCompatibility v1.0.0\r\nVERBOSE: Cached PSGallery module: [2022-05-26 18:33:10] Microsoft.PowerShell.Crescendo v1.0.0\r\nVERBOSE: Cached PSGallery module: [2022-05-26 18:33:11] WindowsCompatibility v1.0.0\r\nVERBOSE: Cached PSGallery module: [2022-05-26 18:33:11] Microsoft.PowerShell.ConsoleGuiTools v0.6.2\r\nVERBOSE: Cached PSGallery module: [2022-05-26 18:33:10] CompletionPredictor v0.1.0\r\nVERBOSE: Cached PSGallery module: [2022-05-26 18:33:09] ScriptBlockDisassembler v1.1.0\r\nVERBOSE: Local module is up-to-date: CompletionPredictor\r\nVERBOSE: Local module is up-to-date: Microsoft.PowerShell.ConsoleGuiTools\r\nVERBOSE: Local module is up-to-date: Microsoft.PowerShell.Crescendo\r\nVERBOSE: Local module is up-to-date: ScriptBlockDisassembler\r\nVERBOSE: Local module is up-to-date: WindowsCompatibility\r\n```\r\n\r\n\r\n### Error details\r\n\r\n```console\r\nPSMessageDetails      : \r\nException             : System.Management.Automation.CommandNotFoundException: The term 'Update-KBModule' is not recognized as a name of a cmdlet, function, script file, or executable program.\r\n                        Check the spelling of the name, or if a path was included, verify that the path is correct and try again.\r\n                           at System.Management.Automation.CommandDiscovery.LookupCommandInfo(String commandName, CommandTypes commandTypes, SearchResolutionOptions searchResolutionOptions, CommandOrigin commandOrigin, ExecutionContext context)\r\n                           at System.Management.Automation.CommandDiscovery.TryModuleAutoDiscovery(String commandName, ExecutionContext context, String originalCommandName, CommandOrigin commandOrigin, SearchResolutionOptions searchResolutionOptions, CommandTypes commandTypes, Exception\u0026 lastError)\r\n                           at System.Management.Automation.CommandDiscovery.LookupCommandInfo(String commandName, CommandTypes commandTypes, SearchResolutionOptions searchResolutionOptions, CommandOrigin commandOrigin, ExecutionContext context)\r\n                           at System.Management.Automation.ExecutionContext.CreateCommand(String command, Boolean dotSource)\r\n                           at System.Management.Automation.PipelineOps.AddCommand(PipelineProcessor pipe, CommandParameterInternal[] commandElements, CommandBaseAst commandBaseAst, CommandRedirection[] redirections, ExecutionContext context)\r\n                           at System.Management.Automation.PipelineOps.InvokePipeline(Object input, Boolean ignoreInput, CommandParameterInternal[][] pipeElements, CommandBaseAst[] pipeElementAsts, CommandRedirection[][] commandRedirections, FunctionContext funcContext)\r\n                           at System.Management.Automation.Interpreter.ActionCallInstruction`6.Run(InterpretedFrame frame)\r\n                           at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame)\r\nTargetObject          : Update-KBModule\r\nCategoryInfo          : ObjectNotFound: (Update-KBModule:String) [], CommandNotFoundException\r\nFullyQualifiedErrorId : CommandNotFoundException\r\nErrorDetails          : \r\nInvocationInfo        : System.Management.Automation.InvocationInfo\r\nScriptStackTrace      : at \u003cScriptBlock\u003e, \u003cNo file\u003e: line 1\r\nPipelineIterationInfo : {}\r\n\r\nPSMessageDetails      : \r\nException             : System.ArgumentException: An item with the same key has already been added. Key: -1537659534\r\n                           at System.Collections.Generic.Dictionary`2.TryInsert(TKey key, TValue value, InsertionBehavior behavior)\r\n                           at System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value)\r\n                           at Microsoft.PowerShell.Commands.AddTypeCommand.DoEmitAndLoadAssembly(Compilation compilation, EmitOptions emitOptions)\r\n                           at Microsoft.PowerShell.Commands.AddTypeCommand.CompileToAssembly(List`1 syntaxTrees, CompilationOptions compilationOptions, EmitOptions emitOptions)\r\n                           at Microsoft.PowerShell.Commands.AddTypeCommand.SourceCodeProcessing()\r\n                           at Microsoft.PowerShell.Commands.AddTypeCommand.EndProcessing()\r\n                           at System.Management.Automation.CommandProcessorBase.Complete()\r\nTargetObject          : \r\nCategoryInfo          : NotSpecified: (:) [Add-Type], ArgumentException\r\nFullyQualifiedErrorId : System.ArgumentException,Microsoft.PowerShell.Commands.AddTypeCommand\r\nErrorDetails          : \r\nInvocationInfo        : System.Management.Automation.InvocationInfo\r\nScriptStackTrace      : at \u003cScriptBlock\u003e, D:\\USERS\\BUKEM\\Documents\\PowerShell\\Modules\\KBSystemTools\\KBSystemTools.psm1: line 136\r\n                        at \u003cScriptBlock\u003e, \u003cNo file\u003e: line 1\r\nPipelineIterationInfo : {}\r\n\r\nPSMessageDetails      : \r\nException             : System.ArgumentException: An item with the same key has already been added. Key: -620943648\r\n                           at System.Collections.Generic.Dictionary`2.TryInsert(TKey key, TValue value, InsertionBehavior behavior)\r\n                           at System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value)\r\n                           at Microsoft.PowerShell.Commands.AddTypeCommand.DoEmitAndLoadAssembly(Compilation compilation, EmitOptions emitOptions)\r\n                           at Microsoft.PowerShell.Commands.AddTypeCommand.CompileToAssembly(List`1 syntaxTrees, CompilationOptions compilationOptions, EmitOptions emitOptions)\r\n                           at Microsoft.PowerShell.Commands.AddTypeCommand.SourceCodeProcessing()\r\n                           at Microsoft.PowerShell.Commands.AddTypeCommand.EndProcessing()\r\n                           at System.Management.Automation.CommandProcessorBase.Complete()\r\nTargetObject          : \r\nCategoryInfo          : NotSpecified: (:) [Add-Type], ArgumentException\r\nFullyQualifiedErrorId : System.ArgumentException,Microsoft.PowerShell.Commands.AddTypeCommand\r\nErrorDetails          : \r\nInvocationInfo        : System.Management.Automation.InvocationInfo\r\nScriptStackTrace      : at \u003cScriptBlock\u003e, C:\\program files\\powershell\\7\\Modules\\PowerShellGet\\PSModule.psm1: line 796\r\n                        at \u003cScriptBlock\u003e, \u003cNo file\u003e: line 1\r\nPipelineIterationInfo : {}\r\n\r\nPSMessageDetails      : \r\nException             : System.ArgumentException: An item with the same key has already been added. Key: 1151434954\r\n                           at System.Collections.Generic.Dictionary`2.TryInsert(TKey key, TValue value, InsertionBehavior behavior)\r\n                           at System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value)\r\n                           at Microsoft.PowerShell.Commands.AddTypeCommand.DoEmitAndLoadAssembly(Compilation compilation, EmitOptions emitOptions)\r\n                           at Microsoft.PowerShell.Commands.AddTypeCommand.CompileToAssembly(List`1 syntaxTrees, CompilationOptions compilationOptions, EmitOptions emitOptions)\r\n                           at Microsoft.PowerShell.Commands.AddTypeCommand.SourceCodeProcessing()\r\n                           at Microsoft.PowerShell.Commands.AddTypeCommand.EndProcessing()\r\n                           at System.Management.Automation.CommandProcessorBase.Complete()\r\nTargetObject          : \r\nCategoryInfo          : NotSpecified: (:) [Add-Type], ArgumentException\r\nFullyQualifiedErrorId : System.ArgumentException,Microsoft.PowerShell.Commands.AddTypeCommand\r\nErrorDetails          : \r\nInvocationInfo        : System.Management.Automation.InvocationInfo\r\nScriptStackTrace      : at \u003cScriptBlock\u003e, C:\\program files\\powershell\\7\\Modules\\PowerShellGet\\PSModule.psm1: line 517\r\n                        at \u003cScriptBlock\u003e, \u003cNo file\u003e: line 1\r\nPipelineIterationInfo : {}\r\n```\r\n\r\n\r\n### Environment data\r\n\r\n```powershell\r\nName                           Value\r\n----                           -----\r\nPSVersion                      7.2.4\r\nPSEdition                      Core\r\nGitCommitId                    7.2.4\r\nOS                             Microsoft Windows 10.0.19044\r\nPlatform                       Win32NT\r\nPSCompatibleVersions           {1.0, 2.0, 3.0, 4.0, 5.0, 5.1.10032.0, 6.0.0, 6.1.0…}\r\nPSRemotingProtocolVersion      2.3\r\nSerializationVersion           1.1.0.1\r\nWSManStackVersion              3.0\r\n\r\nName                           Value\r\n----                           -----\r\nPSVersion                      7.3.0-preview.3\r\nPSEdition                      Core\r\nGitCommitId                    7.3.0-preview.3-139-g0882737efb830d8072dc0c2830b50a74ab2166df\r\nOS                             Microsoft Windows 10.0.19044\r\nPlatform                       Win32NT\r\nPSCompatibleVersions           {1.0, 2.0, 3.0, 4.0, 5.0, 5.1.10032.0, 6.0.0, 6.1.0…}\r\nPSRemotingProtocolVersion      2.3\r\nSerializationVersion           1.1.0.1\r\nWSManStackVersion              3.0\r\n```\r\n\r\n\r\n### Visuals\r\n\r\n_No response_","author":{"url":"https://github.com/kborowinski","@type":"Person","name":"kborowinski"},"datePublished":"2022-05-26T17:42:49.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":14},"url":"https://github.com/19470/PowerShell/issues/19470"}