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Commented: (XERCESJ-977) Null pointer exception during DOM parsing

Commented: (XERCESJ-977) Null pointer exception during DOM parsing

2004-06-11       - By jira@(protected)
Reply:     1     2     3     4     5  

The following comment has been added to this issue:

    Author: Michael Glavassevich
   Created: Fri, 11 Jun 2004 11:32 AM
      Body:
If you could provide a complete sample (an XML document and runnable code
sample) which reproduces the behaviour you're seeing, it would make it much
simpler for us to investigate. Thanks.
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View this comment:
 http://issues.apache.org/jira/browse/XERCESJ-977?page=comments#action_36051

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View the issue:
 http://issues.apache.org/jira/browse/XERCESJ-977

Here is an overview of the issue:
---------------------------------------------------------------------
       Key: XERCESJ-977
   Summary: Null pointer exception during DOM parsing
      Type: Bug

    Status: Unassigned
  Priority: Major

   Project: Xerces2-J
Components:
            DOM
  Versions:
            2.6.2

  Assignee:
  Reporter: Emily Horton

   Created: Wed, 9 Jun 2004 12:40 PM
   Updated: Fri, 11 Jun 2004 11:32 AM

Description:
We are parsing large numbers of xml files with DOM and are very occasionally
getting a null pointer exception when parsing.  In this case we tracked the
problem down to a point in the text where there was a quoted attribute inside
quoted text:
“[a]nimals should be housed in facilities dedicated to or assigned for
that purpose...<bibr rid="b2"/>&rdquo;

Any of the following changes to the document would get rid of the null pointer
exception and allow parsing:
1) Changing the bibr tag to a different without any attributes.
2) Removing the outside quotes.
3) Moving the bibr tag to outside the quotes.

Here is the stack trace for the error:
522316528 [Thread-200] ERROR -> org.apache.xerces.dom.DeferredDocumentImpl
.setChunkIndex(Unknown Source)
522316529 [Thread-200] ERROR -> org.apache.xerces.dom.DeferredDocumentImpl
.insertBefore(Unknown Source)
522316529 [Thread-200] ERROR -> org.apache.xerces.parsers.AbstractDOMParser
.endGeneralEntity(Unknown Source)
522316529 [Thread-200] ERROR -> org.apache.xerces.impl.dtd.XMLDTDValidator
.endGeneralEntity(Unknown Source)
522316529 [Thread-200] ERROR -> org.apache.xerces.impl
.XMLDocumentFragmentScannerImpl.endEntity(Unknown Source)
522316530 [Thread-200] ERROR -> org.apache.xerces.impl.XMLDocumentScannerImpl
.endEntity(Unknown Source)
522316530 [Thread-200] ERROR -> org.apache.xerces.impl.XMLEntityManager
.endEntity(Unknown Source)
522316530 [Thread-200] ERROR -> org.apache.xerces.impl.XMLEntityScanner.load
(Unknown Source)
522316530 [Thread-200] ERROR -> org.apache.xerces.impl.XMLEntityScanner
.scanContent(Unknown Source)
522316530 [Thread-200] ERROR -> org.apache.xerces.impl
.XMLDocumentFragmentScannerImpl.scanContent(Unknown Source)
522316530 [Thread-200] ERROR -> org.apache.xerces.impl
.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
Source)
522316530 [Thread-200] ERROR -> org.apache.xerces.impl
.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
522316531 [Thread-200] ERROR -> org.apache.xerces.parsers.XML11Configuration
.parse(Unknown Source)
522316531 [Thread-200] ERROR -> org.apache.xerces.parsers.DTDConfiguration
.parse(Unknown Source)
522316531 [Thread-200] ERROR -> org.apache.xerces.parsers.XMLParser.parse
(Unknown Source)
522316531 [Thread-200] ERROR -> org.apache.xerces.parsers.DOMParser.parse
(Unknown Source)
522316531 [Thread-200] ERROR -> org.apache.xerces.jaxp.DocumentBuilderImpl
.parse(Unknown Source)
522316531 [Thread-200] ERROR -> javax.xml.parsers.DocumentBuilder.parse(Unknown
Source)


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