ParseFileL Panic KERN-EXEC 3 When file not exist

[bbil]

iDomParser.ParseFileL crash when the xml file does not exist

RXmlEngDocument document;    
      TBuf<KFilePathSize> filepath(iDrive);
     _LIT(KFilename,"\\xedomexample\\input\\XML_parsing_001.xml");
     filepath.Append(KFilename);
     TFileName srcFileName(filepath);
     document = iDomParser.ParseFileL(srcFileName); 
   	  if(document.NotNull())
	 	{
	 	    QMessageBox msgBox;
	 		
	 		msgBox.setText("Existe");
	 		msgBox.exec();
	 		document.Close();
	       
	 	}

file .h

...
private:

    Ui::testXMLClass ui;
	// DOM Implementation, needed for initializing XmlEngine library once
	RXmlEngDOMImplementation iDomImpl;
	RXmlEngDOMParser iDomParser;
};

constructor:

testXML::testXML(QWidget *parent)
    : QDialog(parent)
{
	iDomImpl.OpenL();
	// Instantiate the parser
	TInt err = iDomParser.Open( iDomImpl );
	if(KErrNone != err)
	    User::Leave(err);

thank you in advance for your answers

[savaj]

Are you sure that iDomParser.ParseFileL() will gives panic? it may be possible that iDomParser.ParseFileL() leave with KErrNotFound and not returned valid handle to RXmlEngDocument, so next line if(document.NotNull()) may gives you a panic.

What would i suggest is call iDomParser.ParseFileL() in TRAP harness, so that you can handle if leave occures.

[amitkankani]

between, it will be better to let us know which exact line is the reason for the panic.... !

[symbianyucca]

anyway, would it be easy to check if the file exists, and only if it does continue with your code.. Then you would never get to the point where it crashes..

[bbil]

Thank all..

Are you sure that iDomParser.ParseFileL()....

between, it will be better to let us know which exact line is the reason for the panic.... !

If yes when I put the following code in the comment I also crash in debug mode.

anyway, would it be easy to check if the file exists, and only if it does continue with your code.. Then you would never get to the point where it crashes..

yes, it can be the solution must be just that I find how to test the existence of a file


I think I found my code is based on "C:\S60\devices\S60_5th_Edition_SDK_v1.0\S60CppExamples\XeDomExample"
and call functions using ParseFileL occurs with the TRAP instruction:

TRAP(err, ParseExampleL());

I run to apply this to my code,

thank you all again

[savaj]

If yes when I put the following code in the comment I also crash in debug mode.

I have not suggested to put that line in comment. i just said that put that line in TRAP harness so that if leave can occur that you can handle it.

[bbil]

I have not suggested to put that line in comment. i just said that put that line in TRAP harness so that if leave can occur that you can handle it.

Yes sorry I do not (I have trouble with my English)