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https://issues.apache.org/jira/browse/XERCESC-1658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12619033#action_12619033
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Alberto Massari commented on XERCESC-1658:
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If you can manage to add some printf to the code that performs the open() to
track down why the behaviour is different, that would be great.
> Inaccurate error message "Type:XMLPlatformException, Message:Could not close
> the file"
> --------------------------------------------------------------------------------------
>
> Key: XERCESC-1658
> URL: https://issues.apache.org/jira/browse/XERCESC-1658
> Project: Xerces-C++
> Issue Type: Improvement
> Components: Validating Parser (XML Schema)
> Affects Versions: 2.7.0
> Environment: Solaris 10
> Reporter: Paul Fee
> Assignee: Alberto Massari
>
> XMLPlatformUtils::openFile() in SolarisPlatformUtils.cpp:227 directly returns
> the result of the open(2) system call.
> This can return -1 on error, such as "File not found". However other parts
> of Xerces take this return could without further validation. Also, when an
> error occurs, valuable information is available for a short time in errno,
> this information (i.e. the reason why -1 was return) is not captured for use
> in error messages.
> An example of when the return is stored is in
> BinFileInputStream::BinFileInputStream(const XMLCh* const fileName,
> MemoryManager* const manager)
> Here fSource can end up with a value of -1, which in turn means that the
> destructor for BinFileInputStream will fail.
> BinFileInputStream::~BinFileInputStream()
> {
> if (fSource)
> XMLPlatformUtils::closeFile(fSource, fMemoryManager);
> }
> It detects that fSource is non-zero and tries to close the file, but -1 is
> not a valid file descriptor.
> Hence we end up with the inaccurate error message "Could not close the file".
> Error checking surrounding XMLPlatformUtils::openFile() should be improved.
> Thank you,
> Paul
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