RE: StreamTransform with Visual C++ .NET

15 Apr 2002 17:42:37 -0000

Title: RE: StreamTransform with Visual C++ .NET
It might start to work better when rebuilding xalan under .NET completely. Compilation went through without a problem (a couple of warnings here and there, that's all).
I am able to run the StreamTransform example now. But most of the other example (and Xalan.exe including) are not working.
I get a popup with the following message in it:
 
Debug Assertion Failed!
 
Program Xalan.exe
File dbgheap.c
Line: 1132
 
_expression_: _CrtIsValidHeapPointer(pUserData)
 
The calling stack under the debugger is showing the problem on a delete.
My C++ is a little bit rusty, I must admit. Is this related to the Microsoft debug library and the way it redefined the new/delete operator? If yes, any idea on how to fix it? I think I remember that there might be a way by excluding a specific debug library. I will try to validate that by building the release version (instead of the debug one).
 
I am also in the process of building xerces in .NET. I am using the 1.6.0 version (to use the same as the one bundled with xalan). Is it ok or should I/can I use the latest Xerces (1.7)?
 
Thomas
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Monday, April 15, 2002 12:22 PM
To: [email protected]
Subject: RE: StreamTransform with Visual C++ .NET


Sorry for the multiple emails. Reply All was just the easy way. I will be more careful.
I am running on Windows 2000 server.
My email was not very clear, I think, that is why I sent a clarification right after. The StreamTransform.exe from the binary distribution is working fine, but if I try to rebuild it with VC++ 7.0, then it does not work anymore.

I will investigate to try to understand better where the problem is coming from.

Thomas

-----Original Message-----
From: David N Bertoni/Cambridge/IBM [mailto:[EMAIL PROTECTED]]
Sent: Monday, April 15, 2002 11:58 AM
To: [email protected]
Subject: RE: StreamTransform with Visual C++ .NET



Thomas,

Please do not respond directly to me.  Since I responded to your email, you
can assume that I'm subscribed to the mailing list.  I don't need multiple
copies of emails flooding my inbox.

If you're using the binary distribution, I don't understand what VC++ 7.0
has to do with anything.  As long as you are running on NT or Windows 2000
you should not have any problems.  We have not tested under XP, but I can't
imagine in wouldn't work.

If there is some incompatibility as a result of VC++ 7.0, I think that's a
bug that Microsoft ought to fix.

Dave



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I actually did not build xalan or xerces. I used the binary distribution.
May this is what the problem is, but I was hoping that VC++ 6.0 built DLLs
are "compatible" with VC++ 7.0 (I am probably too naive on that one).


I can definitely try to rebuild both Xerces and Xalan with .NET and see if
the problem is fixed.


Thomas


-----Original Message-----
From: David N Bertoni/Cambridge/IBM [mailto:[EMAIL PROTECTED]]
Sent: Monday, April 15, 2002 12:16 AM
To: [email protected]
Subject: Re: StreamTransform with Visual C++ .NET






When I last built with beta 2, everything worked fine, but things may have
changed.


Since I don't have a copy of .NET, I can't build it to see what's wrong.
You might try debugging through the code to see why the stream is empty.


By the way, did you rebuild Xerces as well?


Dave








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[email protected]


                                                       cc:      (bcc: David
N Bertoni/Cambridge/IBM)


                      04/14/2002 11:34 AM              Subject:
StreamTransform with Visual C++ .NET













Hi there,





I am trying to make the StreamTransform example (from Xalan-C_1_3-win32.zip

) with Visual C++ .NET (VC++ 7.0)
I can compile it fine but when I execute it I get the following error:





Fatal Error at (file , line 1, column 1): The main XML document cannot be
empty
StreamTransform Error:
The main XML document cannot be empty





Seems to be a problem with the handling of the stream. If I do not use
stream (but reference the xml and xsl file directly), everything works
fine.





Same exact code compiled in VC++6.0 is working fine.





Any ideas?





Thomas















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