When using Sampler for DSC Resource modules, there may be quite a few warnings like this:
Impossible to extract the name of the Mof based DSCResource, see the error : Failed to import classes from file D:\DscConfig.Demo\output\Module\DscConfig.Demo\0.8.1\DSCResources\EnvironmentVariables\EnvironmentVariables.psd1. Error System.Management.Automation.PSInvalidOperationException: Cim deserializer threw an error when deserializing file C:\Users\randr\AppData\Local\Temp\DscMofHelper_3339712a-5307-44f3-bf12-ade1e0241d97.tmp. ---> Microsoft.Management.Infrastructure.CimException: Syntax Error. Number value is not valid: empty number string At line:1, char:0 Buffer: ^@{
at Microsoft.Management.Infrastructure.Serialization.CimMofDeserializer.DeserializeClassHandle(Byte[] serializedData, UInt32& offset, IEnumerable`1 cimClasses, String computerName, String namespaceName, OnClassNeeded onClassNeededCallback, GetIncludedFileContent getIncludedFileCallback)
at Microsoft.Management.Infrastructure.Serialization.CimMofDeserializer.DeserializeClasses(Byte[] serializedData, UInt32& offset, IEnumerable`1 classes, String computerName, String namespaceName, OnClassNeeded onClassNeededCallback, GetIncludedFileContent getIncludedFileCallback)
at Microsoft.PowerShell.DesiredStateConfiguration.CimDSCParser.ParseSchemaMof(String filePath)
--- End of inner exception stack trace ---
at Microsoft.PowerShell.DesiredStateConfiguration.CimDSCParser.ParseSchemaMof(String filePath)
at Microsoft.PowerShell.DesiredStateConfiguration.Internal.DscClassCache.ImportClasses(String path, Tuple`2 moduleInfo, Collection`1 errors, Boolean importInBoxResourcesImplicitly)
Build succeeded with warnings. 16 tasks, 0 errors, 1 warnings 00:00:21.9753594
Verbose logs
===============================================================================
BUILD DSCRESOURCESTOEXPORT MODULEBUILDER
-------------------------------------------------------------------------------
/./build/Build_Module_ModuleBuilder/Build_DscResourcesToExport_ModuleBuilder
D:\DscConfig.Demo\output\RequiredModules\Sampler\0.116.0\tasks\Build-Module.ModuleBuilder.build.ps1:327
Project Name = 'DscConfig.Demo'
Source Path = 'D:\DscConfig.Demo\source'
Output Directory = 'D:\DscConfig.Demo\output'
Release Notes path = 'D:\DscConfig.Demo\output\ReleaseNotes.md'
Built Module Subdirectory = 'D:\DscConfig.Demo\output\Module'
Module Manifest Path (src) = 'D:\DscConfig.Demo\source\DscConfig.Demo.psd1'
Versioned Output Directory = 'True'
Built Module Manifest = 'D:\DscConfig.Demo\output\Module\DscConfig.Demo\0.8.1\DscConfig.Demo.psd1'
Built Module Base = 'D:\DscConfig.Demo\output\Module\DscConfig.Demo\0.8.1'
Module Version = '0.8.1-preview0002'
Module Version Folder = '0.8.1'
Pre-release Tag = 'preview0002'
Built Module Root Script = 'D:\DscConfig.Demo\output\Module\DscConfig.Demo\0.8.1\DscConfig.Demo.psm1'
VERBOSE: Loading module from path 'D:\DscConfig.Demo\output\RequiredModules\ModuleBuilder\2.0.0\ModuleBuilder.psd1'.
WARNING: The names of some imported commands from the module 'ModuleBuilder' include unapproved verbs that might make them less discoverable. To find the commands with unapproved verbs, run the Import-Module command again with the Verbose
parameter. For a list of approved verbs, type Get-Verb.
VERBOSE: The 'Build-Module' command in the ModuleBuilder' module was imported, but because its name does not include an approved verb, it might be difficult to find. The suggested alternative verbs are "New".
VERBOSE: Importing function 'Build-Module'.
VERBOSE: Importing function 'Convert-CodeCoverage'.
VERBOSE: Importing function 'Convert-LineNumber'.
VERBOSE: Importing alias 'build'.
Built DSC Resource Path = 'D:\DscConfig.Demo\output\Module\DscConfig.Demo\0.8.1\DSCResources'
Looking in D:\DscConfig.Demo\output\Module\DscConfig.Demo\0.8.1\DscConfig.Demo.psm1
Looking in D:\DscConfig.Demo\output\Module\DscConfig.Demo\0.8.1\DSCResources
WARNING: Impossible to extract the name of the Mof based DSCResource, see the error : Failed to import classes from file D:\DscConfig.Demo\output\Module\DscConfig.Demo\0.8.1\DSCResources\EnvironmentVariables\EnvironmentVariables.psd1. Error
System.Management.Automation.PSInvalidOperationException: Cim deserializer threw an error when deserializing file C:\Users\randr\AppData\Local\Temp\DscMofHelper_7b56b1b1-72f1-4b50-95ca-ccb2fdc3470e.tmp. --->
Microsoft.Management.Infrastructure.CimException: Syntax Error. Number value is not valid: empty number string
At line:1, char:0
Buffer:
^@{
at Microsoft.Management.Infrastructure.Serialization.CimMofDeserializer.DeserializeClassHandle(Byte[] serializedData, UInt32& offset, IEnumerable`1 cimClasses, String computerName, String namespaceName, OnClassNeeded onClassNeededCallback,
GetIncludedFileContent getIncludedFileCallback)
at Microsoft.Management.Infrastructure.Serialization.CimMofDeserializer.DeserializeClasses(Byte[] serializedData, UInt32& offset, IEnumerable`1 classes, String computerName, String namespaceName, OnClassNeeded onClassNeededCallback,
GetIncludedFileContent getIncludedFileCallback)
at Microsoft.PowerShell.DesiredStateConfiguration.CimDSCParser.ParseSchemaMof(String filePath)
--- End of inner exception stack trace ---
at Microsoft.PowerShell.DesiredStateConfiguration.CimDSCParser.ParseSchemaMof(String filePath)
at Microsoft.PowerShell.DesiredStateConfiguration.Internal.DscClassCache.ImportClasses(String path, Tuple`2 moduleInfo, Collection`1 errors, Boolean importInBoxResourcesImplicitly)
Done /./build/Build_Module_ModuleBuilder/Build_DscResourcesToExport_ModuleBuilder 00:00:00.0626132
Done /./build/Build_Module_ModuleBuilder 00:00:00.6163567
===============================================================================
BUILD NESTEDMODULES MODULEBUILDER
-------------------------------------------------------------------------------
/./build/Build_NestedModules_ModuleBuilder
D:\DscConfig.Demo\output\RequiredModules\Sampler\0.116.0\tasks\Build-Module.ModuleBuilder.build.ps1:129
Project Name = 'DscConfig.Demo'
Source Path = 'D:\DscConfig.Demo\source'
Output Directory = 'D:\DscConfig.Demo\output'
Release Notes path = 'D:\DscConfig.Demo\output\ReleaseNotes.md'
Built Module Subdirectory = 'D:\DscConfig.Demo\output\Module'
Module Manifest Path (src) = 'D:\DscConfig.Demo\source\DscConfig.Demo.psd1'
Versioned Output Directory = 'True'
Built Module Manifest = 'D:\DscConfig.Demo\output\Module\DscConfig.Demo\0.8.1\DscConfig.Demo.psd1'
Built Module Base = 'D:\DscConfig.Demo\output\Module\DscConfig.Demo\0.8.1'
Module Version = '0.8.1-preview0002'
Module Version Folder = '0.8.1'
Pre-release Tag = 'preview0002'
Built Module Root Script = 'D:\DscConfig.Demo\output\Module\DscConfig.Demo\0.8.1\DscConfig.Demo.psm1'
VERBOSE: Loading module from path 'D:\DscConfig.Demo\output\RequiredModules\ModuleBuilder\2.0.0\ModuleBuilder.psd1'.
WARNING: The names of some imported commands from the module 'ModuleBuilder' include unapproved verbs that might make them less discoverable. To find the commands with unapproved verbs, run the Import-Module command again with the Verbose
parameter. For a list of approved verbs, type Get-Verb.
VERBOSE: The 'Build-Module' command in the ModuleBuilder' module was imported, but because its name does not include an approved verb, it might be difficult to find. The suggested alternative verbs are "New".
VERBOSE: Importing function 'Build-Module'.
VERBOSE: Importing function 'Convert-CodeCoverage'.
VERBOSE: Importing function 'Convert-LineNumber'.
VERBOSE: Importing alias 'build'.
Done /./build/Build_NestedModules_ModuleBuilder 00:00:00.0355322
===============================================================================
Problem description
When using Sampler for DSC Resource modules, there may be quite a few warnings like this:
Verbose logs
How to reproduce
Building for example CommonTasks.
Expected behavior
No warning.
Current behavior
See above
Suggested solution
Will follow later.
Operating system the target node is running
PowerShell version and build the target node is running
Module version used