ForEach-Object -Parallel does not accept a scriptblock variable containing a $using #21332
Description
Prerequisites
- Write a descriptive title.
- Make sure you are able to repro it on the latest released version
- Search the existing issues.
- Refer to the FAQ.
- Refer to Differences between Windows PowerShell 5.1 and PowerShell.
Steps to reproduce
Test.ps1
Param (
[Parameter(Mandatory)]
[String]$FruitName,
[Parameter(Mandatory)]
[Int]$MaxConcurrentJobs
)
$scriptBlock = {
#region Declare variables for parallel execution
if (-not $MaxConcurrentJobs) {
$FruitName = $using:FruitName
}
#endregion
$FruitName
}
#region Run code serial or parallel
$foreachParams = if ($MaxConcurrentJobs -eq 1) {
@{
Process = $scriptBlock
}
}
else {
@{
Parallel = $scriptBlock
ThrottleLimit = $MaxConcurrentJobs
}
}
#endregion
0..2 | ForEach-Object @foreachParamsRun the code
$params = @{
FilePath = '.\Test.ps1'
ArgumentList = @( 'kiwi', 2 )
ComputerName = 'PC1'
ConfigurationName = 'PowerShell.7'
ErrorAction = 'Stop'
}
Invoke-Command @params -Verbose
$argumentList = $params.ArgumentList
& $params.FilePath @argumentListProbably a regression, see PR-16564
Expected behavior
'kiwi'
'kiwi'
'kiwi'Actual behavior
> The value of the using variable '$using:FruitName' cannot be retrieved because it has not been set in the local session.Error details
Exception :
Type : System.Management.Automation.RuntimeException
ErrorRecord :
Exception :
Type : System.Management.Automation.ParentContainsErrorRecordException
Message : The value of the using variable '$using:FruitName' cannot be retrieved because it has not been set in the local session.
HResult : -2146233087
CategoryInfo : InvalidOperation: (:) [], ParentContainsErrorRecordException
FullyQualifiedErrorId : UsingVariableIsUndefined
InvocationInfo :
ScriptLineNumber : 11
OffsetInLine : 22
HistoryId : -1
ScriptName : T:\Test.ps1
Line : $FruitName = $using:FruitName
Statement : $using:FruitName
PositionMessage : At T:\Test.ps1:11 char:22
+ $FruitName = $using:FruitName
+ ~~~~~~~~~~~~~~~~
CommandOrigin : Internal
ScriptStackTrace : at <ScriptBlock>, <No file>: line 13
TargetSite :
Name : GetUsingVariableValues
DeclaringType : Microsoft.PowerShell.Commands.PSExecutionCmdlet
MemberType : Method
Module : System.Management.Automation.dll
Message : The value of the using variable '$using:FruitName' cannot be retrieved because it has not been set in the local session.
Source : System.Management.Automation
HResult : -2146233087
StackTrace :
at Microsoft.PowerShell.Commands.PSExecutionCmdlet.GetUsingVariableValues(List`1 paramUsingVars)
at Microsoft.PowerShell.Commands.PSExecutionCmdlet.GetConvertedScript(List`1& newParameterNames, List`1& newParameterValues)
at Microsoft.PowerShell.Commands.PSExecutionCmdlet.GetPowerShellForPSv2()
at Microsoft.PowerShell.Commands.PSExecutionCmdlet.CreatePipeline(RemoteRunspace remoteRunspace)
at Microsoft.PowerShell.Commands.PSExecutionCmdlet.CreateHelpersForSpecifiedComputerNames()
at Microsoft.PowerShell.Commands.PSExecutionCmdlet.BeginProcessing()
at Microsoft.PowerShell.Commands.InvokeCommandCommand.BeginProcessing()
at System.Management.Automation.Cmdlet.DoBeginProcessing()
at System.Management.Automation.CommandProcessorBase.DoBegin()
CategoryInfo : InvalidOperation: (:) [Invoke-Command], RuntimeException
FullyQualifiedErrorId : UsingVariableIsUndefined,Microsoft.PowerShell.Commands.InvokeCommandCommand
InvocationInfo :
MyCommand : Invoke-Command
ScriptLineNumber : 13
OffsetInLine : 1
HistoryId : 59
Line : Invoke-Command @params -Verbose
Statement : Invoke-Command @params -Verbose
PositionMessage : At line:13 char:1
+ Invoke-Command @params -Verbose
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
InvocationName : Invoke-Command
CommandOrigin : Internal
ScriptStackTrace : at <ScriptBlock>, <No file>: line 13Environment data
Name Value
---- -----
PSVersion 7.4.1
PSEdition Core
GitCommitId 7.4.1
OS Microsoft Windows 10.0.20348
Platform Win32NT
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1
WSManStackVersion 3.0Visuals
No response