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https://issues.apache.org/jira/browse/XMLCOMMONS-61?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Glavassevich updated XMLCOMMONS-61:
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Fix Version/s: XML Commons Resolver 1.2.0
> Please make catalog use default instead of an afterthough
> ---------------------------------------------------------
>
> Key: XMLCOMMONS-61
> URL: https://issues.apache.org/jira/browse/XMLCOMMONS-61
> Project: XmlCommons
> Issue Type: Bug
> Components: XML Commons Resolver (resolver.jar)
> Affects Versions: 1.x
> Environment: Operating System: other
> Platform: Other
> URL: http://xerces.apache.org/xerces2-j/faq-xcatalogs.html
> Reporter: Ted Guild
> Assignee: Commons Developers Mailing List
> Fix For: XML Commons Resolver 1.2.0
>
>
> W3C gets an immense amount of DTD traffic with user-agent often only
> identifying
> itself as Python or Java.
> http://www.w3.org/blog/systeam/2008/02/08/w3c_s_excessive_dtd_traffic
> In a number of cases we have heard back from people affected by our automated
> blocking indicating they are running Xalan and/or Xerces doing such things as
> validating XML or doing XSL transforms. We have directed some we have been in
> correspondence with to your catalog instructions.
> http://xerces.apache.org/xerces2-j/faq-xcatalogs.html
> The vast majority of Xalan/Xerces installations most likely do not implement
> catalogs nor caching of external DTDs and other schemata. It would seem the
> resolver does not care about HTTP response codes nor caching directives.
> http://www.ietf.org/rfc/rfc2616.txt
> Better than a default catalog would be a caching XML Catalog resolver as I
> understand is part of Glassfish
> http://norman.walsh.name/2007/09/07/treadLightly
> There are other Java libraries contributing to this traffic as well. Xalan and
> Xerces are widely used, important libraries. Your assistance in reducing this
> excessive traffic to W3C and others hosting standards schemata would be
> greatly
> appreciated.
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