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Problem debugging COM+ component in VB 6 IDE

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ashvn

ashvn

Programmer
Mar 21, 2001
33
MU
Hi everyone,

I have a component (say A) which is normally instantiated from within another component (say B), itself called from an ASP page. I used to be able to debug component A without any problems with the ASP page running, but then don't know what happenned, I could no longer debug, and the only workaround I found was to set the MTSTransactionMode of the classes to debug to 0. I have WIN XP SP2. Been looking around on different sites, and this looks like a prob with COM+, but haven't been able to resolve it. Any ideas most welcome.

Thanks a lot!

 
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It's not a problem, it's a feature....

As I recall, Microsoft doesn't support debugging of COM+ component transaction behavior. You can debug the component, but not its MTS Context.

Bob
 
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Well, thanks for the answer, but that still keeps me wondering why it used to work before.. The system actually logs errors in the event viewer, and if I do not change the MTSTransaction mode of the class to debug to 0, then I get this error: VB(-2147417851) Method '~' of object '~' failed. Any ideas on this?

Thanks!
 
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Well, we all hate that error! It usually means that a Microsoft program attempted to do something that it wasn't authorized to do. The reasons for it are vastly varied: I just spent four days tracking down such an error (well, the vendors tracked it down, and I reinstalled everything), and it turned out to be that we had copied a folder from a source ftp site. When we redid the installation with a hand-created folder, the program worked.

Sorry, but you don't have an easy answer that I can think of.

Bob
 
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Well, one thing is that I can debug the component if I remove visual studio and re-install it. But if I put in SP4(or higher; haven't tried any older SPs though), then it stops working again... Meaning, something must have been brought in by the SPs that has caused the debugging to stop working...
 
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Sigh....whatever happened to the good old days when a line of code was a line of code?

Good luck,

Bob
 
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