Michael Stephenson

keeping your feet on premise while your heads in the cloud
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BizTalk & Visual Studio Crash Error vsee\internal\inc\vscomptr.inl Line 473

Problem

We have been experiencing the most annoying of IDE bugs recently when working on BizTalk applications.  Basically the scenario is when you open a BizTalk map.  If it is an existing map you get a prompt indicating the schema can not be loaded.  If you try to pick the schema again from the map the schema picker just flickers then dissappears.  From here the IDE becomes very unstable and you repeatedly get the following error:

Unexpected error encountered.  It is recommended that you restart the
application as soon as possible.

Error: HRESULT: 0x80131527
File: vsee\internal\inc\vscomptr.inl
Line number: 473

Once this happens you basically have to restart the IDE.

I have found a number of posts discussing this issue but none seem to have the answer.  It also seems it is difficult to recreate this problem when you dont have it.  The links i found are:

http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=103750  (This one isnt about BizTalk, but similar error)

http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=814000&SiteID=1

http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=640378&SiteID=1

In the various examples of the problem we found the following:

1. One developer had the problem and found that when he added all of the BizTalk artifacts to the same project he stopped getting the problem.  This was okay for weeks then only today it has again started happening.  As a test we have just tried point 2 below.  We removed the C# test project from his solution (it had tests to use BizUnit) once the project was removed the map started working fine again.  When we re-added the project the map immediately stopped working.

2. One other developer has been getting the problem and found that if he drops the C# Unit Test projects from his solution he stops getting the problem.  It reappears as soon as he re-adds the test project. (note he has multiple biztalk projects ie: one for schemas and one for maps)

Note: In all cases we had other C# projects within the solution, it was just removing the test ones which made it work.

Workaround

Based on the other posts above it is difficult to identify if the test projects are always the cause of the problem, but they seem to be for us.  We have used the following work arounds

  1. Remove the test projects from the solution
  2. Work on your map and get it how you want it
  3. Re-add your test project

or a second option is to have a seperate solution for the tests a bit like enterprise library does.

Let me know what you think of this or if you have any other work arounds.. Hopefully Microsoft will resolve this in R2

 

UPDATE!!!!

There is now a hotfix to resolve this: 

http://support.microsoft.com/kb/926344

Print | posted on Wednesday, October 18, 2006 9:56 PM | Filed Under [ BizTalk ]

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# re: BizTalk & Visual Studio Crash Error vsee\internal\inc\vscomptr.inl Line 473

Hey Mike -

We've seen this problem and managed to get MS support on the case. I think think there's a new hotfix from MS coming, more infomration -
<a href="http://www.sabratech.co.uk/blogs/yossidahan/2006/10/beware-of-unit-tests-follow-up.html">here</a>
10/30/2006 11:05 PM | Yossi Dahan
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# re: BizTalk & Visual Studio Crash Error vsee\internal\inc\vscomptr.inl Line 473

Hi Mike,

Thanks for info it's solved my problem, many many thanks :)
3/23/2007 4:36 PM | sashaxp
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# re: BizTalk & Visual Studio Crash Error vsee\internal\inc\vscomptr.inl Line 473

Well, I am having the same error, but for BizTalk Server 2006 R2. The hotfix doesn't install for R2, and I surprised it wasn't included. We are using TFS, VS 2005 SP2, R2 as mentioned and a standard test project in the same solution. Removing the test project still works.
6/3/2008 12:06 PM | Henrik
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# re: BizTalk & Visual Studio Crash Error vsee\internal\inc\vscomptr.inl Line 473

The hotfix does not work for me. The error started to occur after my collegue added a test project. Once I removed the test project, then Visual works fine.

I installed the hotfix but it did not resolve the problem.
10/7/2008 6:52 PM | Stanley
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