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Apostolos Dimopoulos
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 Posted: Thu Apr 12, 2007 2:57 pm Post subject: Access Violations with Internet Application |
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Hi,
We are using Delphi 7 with the ExpressWeb Framework to develop a web
extension for our application. The executable is compiled as an ISAPI and we
have tried it out both with IIS and Apache. The application works fine for a
while and after a while an Access Violation is produced. We can not
determine a specific menu or option that causes the problem, rather an
option that before worked just fine at some point simply produces an AV.
Debugging the problem it looks like most of the AVs come from the _FreeMem
function in System and the stack shows that the call originates from
HttpExtensionProc in HTTPRequest.Free. We are unsure as to what might be the
cause of the problem, the ExpressWeb Framework, TISAPIRequest of Delphi or
the fact that we are using packages. Has anyone come across such an issue in
the past?
Thanks in advance,
Apostolos Dimopoulos |
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Del Murray
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| Posted: Thu Apr 12, 2007 6:01 pm Post subject: Re: Access Violations with Internet Application |
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You might check your code to see if you are creating stringlists and
tstrings repeatedly and not freeing them before recreating them again. There
was always some quirky behavior with that in ISAPI programs. This is only a
guess. |
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Richard Bakos
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| Posted: Thu Apr 12, 2007 8:46 pm Post subject: Re: Access Violations with Internet Application |
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Apostolos Dimopoulos wrote:
| Quote: | We are using Delphi 7 with the ExpressWeb Framework...
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Have you tried sending a test case into Dev Express support to see if
they are able to reproduce the problem?
Rich Bakos |
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