At 16.06 08/08/2007 +0530, [EMAIL PROTECTED] wrote:
They are non static variables. But I have declared both the objects
globally.
So they *are* static....
Alberto
Thanks & Regards,
Sasikumar Kandhasamy
Project Engineer | Wipro Technologies | Madivala-4 | Bangalore.
Mobile:- +91 9986378586
"Dreams into Thoughts and Thoughts into Actions" -- Dr. A P J Abdul
Kalam
-----Original Message-----
From: Alberto Massari [mailto:[EMAIL PROTECTED]
Sent: Wednesday, August 08, 2007 4:02 PM
To: [email protected]
Subject: RE: Getting core dump at xerces::SAXParser::parse function
Hi Sasikumar,
I cannot speak for the Xalan part, but I find suspicious that you are
deleting two variables theDOMSupportPtr and theLiaisonPtr that are not
part of the class definition. If they are static variables, you are
destroying something that you will need later.
Alberto
At 15.51 08/08/2007 +0530, [EMAIL PROTECTED] wrote:
>Hi Alberto,
>
>Below is my class declaration,
>
>class XMResponseParser
>{
> public:
> XMResponseParser();
> ~XMResponseParser();
>
> void validateMsgBuffer(char *);
> void retrieveElementValue(const string &expression,
>string &returnVal);
> bool isElementExist(const string &xPath);
> void setResponseXML(const string &respMsg);
>
> private:
>
> SAXPrintHandlers handler;
> SAXParser parser;
> string response;
>};
>
>In parser application, I am using XalanSourceTreeDOMSupport and
>XalanSourceTreeParserLiaison for Xpath. So I am deleting the memory in
>destructor. Below is the code,
>
>
>XMResponseParser::~XMResponseParser()
>{
> if ( theDOMSupportPtr != NULL ) {
> delete theDOMSupportPtr;
> theDOMSupportPtr = NULL;
> }
> if ( theLiaisonPtr != NULL ) {
> delete theLiaisonPtr;
> theLiaisonPtr = NULL;
> }
> ItsuDebugEnter( XMResponseParser, XMResponseParser-Destructor ); }
>
>
>Thanks & Regards,
>Sasikumar Kandhasamy
>Project Engineer | Wipro Technologies | Madivala-4 | Bangalore.
>Mobile:- +91 9986378586
>
>"Dreams into Thoughts and Thoughts into Actions" -- Dr. A P J Abdul
>Kalam
>
>
>-----Original Message-----
>From: Alberto Massari [mailto:[EMAIL PROTECTED]
>Sent: Wednesday, August 08, 2007 3:43 PM
>To: [email protected]
>Subject: RE: Getting core dump at xerces::SAXParser::parse function
>
>Hi Sasikumar,
>you must be doing something wrong in the destructor; could you post the
>code? Otherwise it's just a guessing game...
>
>Alberto
>
>At 15.07 08/08/2007 +0530, [EMAIL PROTECTED] wrote:
>
>
> >As per Alberto's suggestion, I moved Initialize/Terminate of both
> >XMLPlatformUtils and XPathEvaluator to main function. But still I am
> >getting crash.
> >
> >And if didn't call destructor(i.e., without using delete) of my class
> >"XMResponseParser" which internally has SAXParser object, then it is
> >working fine. Without deleting the memory of the object, I am
> >creating new object for the next request.
> >
> >But above scenario will lead to memory leak. Kindly give me the
> >suggestion why it is happening as above?
> >
> >
> >Thanks & Regards,
> >Sasikumar Kandhasamy
> >Project Engineer | Wipro Technologies | Madivala-4 | Bangalore.
> >Mobile:- +91 9986378586
> >
> >"Dreams into Thoughts and Thoughts into Actions" -- Dr. A P J Abdul
> >Kalam
> >
> >
> >-----Original Message-----
> >From: [EMAIL PROTECTED]
> >[mailto:[EMAIL PROTECTED]
> >Sent: Wednesday, August 08, 2007 2:02 PM
> >To: [email protected]
> >Subject: RE: Getting core dump at xerces::SAXParser::parse function
> >
> >
> >Hi Alberto,
> >Thanks for the information. I will verify the system after moving the
> >Initialize/Terminate to main.
> >
> >And one more question is "I am creating SAXParse for every xml
> >response
>
> >and end of validation, I am deleting the memory. Is that correct way
> >of
>
> >doing it?"
> >
> >Thanks & Regards,
> >Sasikumar Kandhasamy
> >Project Engineer | Wipro Technologies | Madivala-4 | Bangalore.
> >Mobile:- +91 9986378586
> >
> >"Dreams into Thoughts and Thoughts into Actions" -- Dr. A P J Abdul
> >Kalam
> >
> >
> >-----Original Message-----
> >From: Alberto Massari [mailto:[EMAIL PROTECTED]
> >Sent: Wednesday, August 08, 2007 1:56 PM
> >To: [email protected]
> >Subject: Re: Getting core dump at xerces::SAXParser::parse function
> >
> >As the crash in inside the memory manager, it could be that you
> >called Terminate and then Initialize while still keeping some objects
alive.
> >Please move the Initialize/Terminate calls to the "main"
> >function and call them just once.
> >
> >Alberto
> >
> >At 13.46 08/08/2007 +0530, [EMAIL PROTECTED] wrote:
> >
> > >
> > >Hi Team,
> > >I am using xerces-c_2_7 SAXParser for validating XML and Xalan for
> > >Xpath Exp in our application. At runtime, our application may
> > >invokes
>
> > >SAXParser more than once depending on response xml we are getting
> > >into system.
> > >
> > >I am getting the core dump from my application when it reaches
> > >SAXParse::parse function for the second time.
> > >
> > >I am using SAXParser as member to my class. I have used Initialize
> > >and Terminate functions as advised in apache site.
> > >
> > >Below is the back trace from core dump. Kindly help me on this
> > >
> > >
> > >
> > >0xc0198170 in _sigfillset+0x5c0 () from /usr/lib/libc.2
> > >#1 0xc0195c9c in _sscanf+0x68c () from /usr/lib/libc.2
> > >#2 0xc019b374 in malloc+0x18c () from /usr/lib/libc.2
> > >#3 0xc0ca5fdc in operator new+0x40 () from /usr/lib/libCsup.2
> > >#4 0xd6c12214 in xercesc_2_7::MemoryManagerImpl::allocate+0x34 ()
> > >from
> > >
> > >/intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#5 0xd6bc6bac in xercesc_2_7::DatatypeValidator::setTypeName+0xe4
> > >()
>
> > >from
> > >
> > >/intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#6 0xd6bccb50 in
> > >xercesc_2_7::DatatypeValidatorFactory::createDatatypeValidator+0x47
> > >8
> > >
> > >()
> > > from /intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#7 0xd6c94478 in
> > >xercesc_2_7::TraverseSchema::traverseByRestriction+0x1c60 ()
> > > from /intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#8 0xd6c85828 in
> > >xercesc_2_7::TraverseSchema::traverseSimpleTypeDecl+0x888 ()
> > > from /intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#9 0xd6ca16a4 in
> > >xercesc_2_7::TraverseSchema::getElementTypeValidator+0x164 ()
> > > from /intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#10 0xd6c90444 in
> > >xercesc_2_7::TraverseSchema::traverseElementDecl+0xf34
> > >()
> > > from /intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#11 0xd6c848a8 in
> > >xercesc_2_7::TraverseSchema::traverseChoiceSequence+0x208 ()
> > > from /intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#12 0xd6ca519c in
> > >xercesc_2_7::TraverseSchema::processComplexContent+0x2ec ()
> > > from /intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#13 0xd6c86d88 in
> > >xercesc_2_7::TraverseSchema::traverseComplexTypeDecl+0x1250 ()
> > > from /intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#14 0xd6ca26d0 in
> > >xercesc_2_7::TraverseSchema::getElementComplexTypeInfo+0x810 ()
> > > from /intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#15 0xd6c90414 in
> > >xercesc_2_7::TraverseSchema::traverseElementDecl+0xf04
> > >()
> > > from /intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#16 0xd6c9e550 in
> > >xercesc_2_7::TraverseSchema::processChildren+0xcd8
>()
> > > from /intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#17 0xd6c7f034 in
> > >xercesc_2_7::TraverseSchema::doTraverseSchema+0x24
>()
> > > from /intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#18 0xd6c7ebf4 in xercesc_2_7::TraverseSchema::TraverseSchema+0x390
> > >() from
> > >
> > >/intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#19 0xd6c053e8 in
> > >xercesc_2_7::IGXMLScanner::resolveSchemaGrammar+0x988
> > >()
> > > from /intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#20 0xd6c0472c in
> > >xercesc_2_7::IGXMLScanner::parseSchemaLocation+0x12c
> > >()
> > > from /intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#21 0xd6bfc0fc in xercesc_2_7::IGXMLScanner::scanStartTagNS+0x35c
> > >() from
> > >
> > >/intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#22 0xd6bf8248 in xercesc_2_7::IGXMLScanner::scanContent+0x1b8 ()
> > >from
> > >
> > >/intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#23 0xd6bf5588 in xercesc_2_7::IGXMLScanner::scanDocument+0x100 ()
> > >from
> > >
> > >/intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#24 0xd6c52454 in xercesc_2_7::SAXParser::parse+0x17c () from
> > >
> > >/intasDEV/intas/Xerces/2.7/lib/libxerces-c.sl.27
> > >#25 0x5bd7a0 in XMResponseParser::validateMsgBuffer
> > >(this=0x7788f155,
> > >
> > >schemaLoc=0x7788af14 "") at XMResponseParser.cc:119
> > >
> > >Thanks & Regards,
> > >Sasikumar Kandhasamy
> > >
> > >Mobile:- +91 9986378586
> > >
> > >"Dreams into Thoughts and Thoughts into Actions" -- Dr. A P J Abdul
> > >Kalam
> > >
> > >
> > >
>
>
>
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