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@Florida

.NET 问题：我有一个Queued COM+, 我首先在一个Form button click里测试，可以得到预期结果。后从windows service里调用，Event Viewer里出现有错信息。详情请进：

lilyba(sunshine困惑不懂装懂)
FORM 里面测试，源代码：

Button_click()
Dim serviceProcessor As IQC = GetObject("queue:/new:QC")
serviceProcessor.Integrate(Year)
Marshal.ReleaseComObject(serviceProcessor)
serviceProcessor = Nothing
end sub

Windows Service, 源代码：

Private Sub Timer_Elapsed(ByVal sender As System.Object, ByVal e As System.Timers.ElapsedEventArgs) Handles Timer.Elapsed

Timer.Interval = 10000
Timer.Enabled = False

Dim Year As Integer = 2004

Dim serviceProcessor As IQC = GetObject(_queueMoniker)

serviceProcessor.Integrate(Year)
Marshal.ReleaseComObject(serviceProcessor)
serviceProcessor = Nothing


Timer.Enabled = True

End Sub

当运行Windows Service, 错误信息如下：

event Viewer--> Application
Category Id=101, Event ID=4808

An unexpected error was returned by the Message Queuing API MQSendMessage : A cryptographic function failed.
(#1512058@0)
Last Updated: 2003-12-12
This post has been archived. It cannot be replied.
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Replies, comments and Discussions:

  • 工作学习 / IT技术讨论 / .NET 问题：我有一个Queued COM+, 我首先在一个Form button click里测试，可以得到预期结果。后从windows service里调用，Event Viewer里出现有错信息。详情请进： -lilyba(sunshine困惑不懂装懂); 2003-12-12 {936} (#1512058@0)
    FORM 里面测试，源代码：

    Button_click()
    Dim serviceProcessor As IQC = GetObject("queue:/new:QC")
    serviceProcessor.Integrate(Year)
    Marshal.ReleaseComObject(serviceProcessor)
    serviceProcessor = Nothing
    end sub

    Windows Service, 源代码：

    Private Sub Timer_Elapsed(ByVal sender As System.Object, ByVal e As System.Timers.ElapsedEventArgs) Handles Timer.Elapsed

    Timer.Interval = 10000
    Timer.Enabled = False

    Dim Year As Integer = 2004

    Dim serviceProcessor As IQC = GetObject(_queueMoniker)

    serviceProcessor.Integrate(Year)
    Marshal.ReleaseComObject(serviceProcessor)
    serviceProcessor = Nothing


    Timer.Enabled = True

    End Sub

    当运行Windows Service, 错误信息如下：

    event Viewer--> Application
    Category Id=101, Event ID=4808

    An unexpected error was returned by the Message Queuing API MQSendMessage : A cryptographic function failed.
    • change your windows service Logon as user from LocalSystem to current logon user and try again -guestagain(guest again); 2003-12-12 (#1512192@0)
      • 谢谢你。这个queued com+的属性如下。我现在在一个domain里面，会不会因为我没有足够的权限？我用aspnet用户名logon，但是start service时，出错。 -lilyba(sunshine困惑不懂装懂); 2003-12-12 {152} (#1512483@0)
        <Assembly: ApplicationActivationAttribute(ActivationOption.Server)>
        <Assembly: ApplicationQueuingAttribute(Enabled:=True, QueueListenerEnabled:=True)>
        • 恐怕是我没有说清楚。 -guestagain(guest again); 2003-12-12 {325} (#1512818@0)
          首先，记住你在运行Form button click测试时登陆windows的用户，我估计应该是个domin user。然后control panel -->Administrative Tools-->Services ,找到你的windows service，点击鼠标右键，选properties。在properties里选logon tab，选中this account，点Browse..，找到那个用户并选中，输入该用户的密码。
          之后，重新运行该Service，再试试看。
          • Thanks. Although another error pops up, I think at least I am making some progress. -lilyba(sunshine困惑不懂装懂); 2003-12-16 (#1517120@0)
            • What error? -guestagain(guest again); 2003-12-16 (#1517122@0)
              • 因为我现在没法compile solution，因此用的是原来的windows service & queued com+，出现的错误信息见内： -lilyba(sunshine困惑不懂装懂); 2003-12-16 {251} (#1517124@0)
                The com+ Queued Components Player was unable to create an instance of Queued Component. CPlayer BindToObject.
                Event ID: 4772

                我想明天重新compile，注册。。。。，看看结果如何。
                你觉得可能是什么方面的问题呢？我查到可能是因为版本的问题。

                谢谢你。
                • too limited infomation. -guestagain(guest again); 2003-12-16 (#1517130@0)
                  • More details: source com+, Category(103), type: error, event Id 4772. -lilyba(sunshine困惑不懂装懂); 2003-12-16 {592} (#1517135@0)
                    The COM+ Queued Components Player was unable to create an instance of a Queued Component. CPlayer BindToObject

                    Server Application ID: {70ED1A64-1953-4ECE-A39D-DA49F232813A}
                    Server Application Instance ID:
                    {5B189D6E-F3AA-4121-BD57-C1B8BD8D547F}
                    Server Application Name: AB.Component.Integration.QC
                    Error Code = 0x80070002 : The system cannot find the file specified.
                    COM+ Services Internals Information:
                    File: d:\nt\com\com1x\src\comsvcs\qc\player\player.cpp, Line: 453
                    Comsvcs.dll file version: ENU 2001.12.4414.46 shp

                    For more information, see Help and Support Center at
                  • 谢谢，解决了问题，是因为版本问题。重新注册queued com+之后，可以正常运行了。 -lilyba(sunshine困惑不懂装懂); 2003-12-17 (#1518697@0)
                    • nice to know -guestagain(guest again); 2003-12-17 (#1519607@0)

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