Article ID: 321539
Article Last Modified on 9/27/2005
APPLIES TO
- Microsoft Commerce Server 2002 Standard Edition
- Microsoft Commerce Server 2000 Service Pack 2
This article was previously published under Q321539
SYMPTOMS
Microsoft Visual Basic 6.0 single-threaded apartment (STA) components in a nonpoolable pipeline may fail under stress on a multiprocessor computer.
For example, the Direct Mailer Service (DMLService.exe) may fail under the following circumstances:
- You run Direct Mailer Service on a multiprocessor system. -and-
- You try to use a Microsoft Commerce Server 2000 pipeline to create an instance of a Visual Basic COM+ component.
In this scenario, the following event is logged in the application event log:
For Commerce Server Web sites that are operating in high isolation mode, the following application event may be logged:
CAUSE
This problem occurs because of a bug in the pipeline code. This bug causes problems with nonpoolable components under stress.
RESOLUTION
To resolve this problem, obtain the latest service pack for Commerce Server 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
297216 INFO: How to Obtain the Latest Commerce Server 2000 Service Pack
The English version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
Date Time Version Size File Name -------------------------------------------------------------- 22-May-2002 21:07 4.0.0.3049 155,920 Pipeline.dll 21-Mar-2002 18:20 1.0.0.2 82,012 Hotfixsetup.exe 30-May-2002 21:27 539 Qfehotfix.ini 23-May-2002 00:58 108,032 Qfepatch.msp 23-May-2002 01:00 7,168 Qfeunpatch.msp
WORKAROUND
To work around this problem, use Visual Basic components in a pooled pipeline or on a single processor computer.
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Commerce Server 2000 Service Pack 3 (SP3).
Additional query words: non-poolable multiproc
Keywords: kbbug kbfix kbcommserv2000sp3fix kbqfe kbcommserv2000presp3fix kbhotfixserver KB321539