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https://issues.apache.org/jira/browse/XERCESJ-1382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bene updated XERCESJ-1382:
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Attachment: xerces_performance_problem.xml
xerces_performance_problem.png
xerces_performance_problem.xml is the XML document which takes too long to
parse / validate; xerces_performance_problem.png shows the JRat Performance
analysis, which directs to org.apache.xerces.dom.CharacterDataImpl appendData
> Performance problem in org.apache.xerces.dom.CharacterDataImpl appendData
> -------------------------------------------------------------------------
>
> Key: XERCESJ-1382
> URL: https://issues.apache.org/jira/browse/XERCESJ-1382
> Project: Xerces2-J
> Issue Type: Bug
> Components: DOM (Level 3 Core)
> Affects Versions: 2.6.0, 2.9.1
> Environment: Windows XP SP2; JRE 1.6.0_13; Xerces2 Java Parser 2.9.1
> Release (Xerces-J-bin.2.9.1.zip)
> Reporter: Bene
> Priority: Critical
> Attachments: xerces_performance_problem.png,
> xerces_performance_problem.xml
>
>
> It takes too long to parse a large XML Document, if the document contains
> CDATA sections, which contain embedded XML.
> The problem initially occured with Xerces 2.6.0, where it took about 30
> seconds !!! to parse an XML document with about 250 KB.
> So we upgraded to Xerces 2.9.1, which improves parse time to about 5 seconds.
> Unfortunately this is still much too slow!
> I tried to find similar bug reports and there are many:
> XERCESJ-102
> XERCESJ-1268
> XALANJ-2398
> Unfortunately the issue is still not fixed, so I decided to create this
> report.
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