[
http://issues.apache.org/jira/browse/XERCESC-1518?page=comments#action_12332556
]
Puyoman commented on XERCESC-1518:
----------------------------------
This is my conclusion.
I opened xerces-c-src_2_7_0\src\xercesc\sax\InputSource.cpp
and solved by appending null pointer check from 35 line to 37.
The new source follows:
****************************************
InputSource::~InputSource()
{
if(fMemoryManager&&fEncoding)
fMemoryManager->deallocate(fEncoding);
if(fMemoryManager&&fPublicId)
fMemoryManager->deallocate(fPublicId);
if(fMemoryManager&&fSystemId)
fMemoryManager->deallocate(fSystemId);
}
*******************************************
I suspect that there is not null check inside a destructor
process though it is already anyhow good.
> Always General Exception Error when being called from MFC application
> ---------------------------------------------------------------------
>
> Key: XERCESC-1518
> URL: http://issues.apache.org/jira/browse/XERCESC-1518
> Project: Xerces-C++
> Type: Bug
> Components: Validating Parser (DTD)
> Versions: 2.7.0
> Environment: OS:windows XP Pro sp2
> compiler: VC++ 7.0 2002
> memory:512MB
> Xerces version:2.7.0
> Xalan version: 1.9
> ICU version:3.4
> Reporter: Puyoman
> Priority: Critical
> Attachments: UAE1.GIF
>
> I built Xerces+ICU and the parsing MFC application.
> When my application window closed and end to ExitInstance(), general
> protection
> error happened (read address:0xC0000005 place:0x00000000).
> In other case, if application don't call parse functions, these errors don't
> happen.
> Its parse is validating parse and DOM creating.
> So much exception is generated:
> Microsoft C++ exception: xercesc_2_7::EndOfEntityException @ 0x0012263c
> Microsoft C++ exception: xercesc_2_7::EndOfEntityException @ 0x00123460
> Microsoft C++ exception: xercesc_2_7::EndOfEntityException @ 0x0011ead4
> Microsoft C++ exception: xercesc_2_7::EndOfEntityException @ 0x0011eb98
> Microsoft C++ exception: xercesc_2_7::EndOfEntityException @ 0x0011f8f8
> Microsoft C++ exception: xercesc_2_7::EndOfEntityException @ 0x0011f9bc
> Microsoft C++ exception: xercesc_2_7::EndOfEntityException @ 0x0011e8e4
> Does xerces (especially, debugging version) consume a large amount of
> heap areas?
> Xerces destroys even the area of MFC and the application program.
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