XML Commons
  1. XML Commons
  2. XMLCOMMONS-61

Please make catalog use default instead of an afterthough

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      Description

      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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          • Assignee:
            Unassigned
            Reporter:
            Ted Guild
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            • Created:
              Updated:

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