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PowershellのTaskクラスを使用して、操作を非同期で実行しようとしています。しかし、次の例外が発生します。

Id                     : 1
Exception              : System.AggregateException: One or more errors occurred. ---> System.Management.Automation.PSInvalidOperationException: There is no Runspace available to
                         run scripts in this thread. You can provide one in the DefaultRunspace property of the System.Management.Automation.Runspaces.Runspace type. The script
                         block you attempted to invoke was:  Write-Host "hey!"
                            at System.Management.Automation.ScriptBlock.InvokeAsDelegateHelper(Object dollarUnder, Object dollarThis, Object[] args)
                            at System.Threading.Tasks.Task.Execute()
                            --- End of inner exception stack trace ---
                         ---> (Inner Exception #0) System.Management.Automation.PSInvalidOperationException: There is no Runspace available to run scripts in this thread. You can
                         provide one in the DefaultRunspace property of the System.Management.Automation.Runspaces.Runspace type. The script block you attempted to invoke was:
                         Write-Host "hey!"
                            at System.Management.Automation.ScriptBlock.InvokeAsDelegateHelper(Object dollarUnder, Object dollarThis, Object[] args)
                            at System.Threading.Tasks.Task.Execute()<---

Status                 : Faulted
IsCanceled             : False
IsCompleted            : True
CreationOptions        : DenyChildAttach
AsyncState             :
IsFaulted              : True
AsyncWaitHandle        : System.Threading.ManualResetEvent
CompletedSynchronously : False

私のコード：

$delegate = [System.Action]{ Write-Host "Test" }
[System.Threading.Tasks.Task]::Run($delegate)
4

1 に答える 1

3

PowerShell を で動作させるには、多くの作業が必要Taskです。TaskPowerShellが直接機能するには、低レベルの構造が多すぎます。

PowerShell 操作を非同期で実行するには、jobs を使用します。

于 2013-02-25T12:33:39.810 に答える