Multi-Threaded Program Under Stress Generates Access Violation with MSXML 3.0

Hotfix Download Available
View and request hotfix downloads

View products that this article applies to.

This article was previously published under Q314425

Expand all | Collapse all

SYMPTOMS

A complex multi-threaded program that runs for a long time under stress and that makes extensive use of the MSXML 3.0 parser may generate an access violation error. The call stack for the crash that your program experiences is as follows:

ChildEBP RetAddr  Args to Child              
0a4be8ac 69b5d6e1 0622483c 0caabcc0 00000001 msxml3!QueryHelper__validateContextNode+0x1f
0a4be8c4 69b5daa1 09677760 00000001 0caabcc0 msxml3!XQLSelection__setContext+0x1b
0a4be8f8 69b5dc70 00677710 00000001 0caabcc0 msxml3!XQLSelection__initSelection+0xdd
0a4be93c 69b53e3d 09677710 00000001 0caabcc0 msxml3!XQLSelection__newXQLSelection+0x63
0a4be994 7c0042f3 061bfd88 0b928ee4 0a4be9c8 msxml3!DOMNode__selectNodes+0x96

Back to the top

CAUSE

This problem occurs because of a rare concurrency bug.

Back to the top

RESOLUTION

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)

Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language. The English version of this fix should have the following file attributes or later:

   File name    Size (bytes)       Date       Version
   --------------------------------------------------
   Msxml3.dll   1,105,408   13-Dec-2001   8.20.9213.0
   Msxml3a.dll     24,576   13-Dec-2001   8.20.9213.0
   Msxml3r.dll     44,032   13-Dec-2001   8.20.9213.0
   Xmlinst.exe     28,672   13-Dec-2001    6.0.2462.0

Back to the top