[jira] Created: (XERCESJ-977) Null pointer exception during DOM parsing

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  A new issue has been created in JIRA.

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

Here is an overview of the issue:
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        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: Wed, 9 Jun 2004 12:40 PM

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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