XML Torture Test: Parsers Fail

andyclar at us.ibm.com andyclar at us.ibm.com
Tue Apr 6 22:00:03 BST 1999

Elliotte Rusty Harold wrote:
> >>Without intending to do so, I have devised an XML document that exposes
> >>many problems in almost all XML validating parsers and non-validating
> >>parsers that resolve external entity references.  You will find this
> >>torture test at
> http://metalab.unc.edu/xml/examples/players/index.xml

I tried recreating the failures of Elliote's torture test using
XML4J 2.0.4 and was not able to produce a failure. I tried the
validating SAX, validating DOM, and TX-compatibility parsers
and they all responded with no errors or warnings.

After having done some additional "validity" checks in our
current internal build of the parser, the XML4J parser now
reports the following:

  [Warning] index.xml:7:3: Element, "PLAYER", refers to undeclared element,
 "SV", in content model
  [Error] AllenWatson.xml:10:13: Element, "SV" is not declared in the DTD

These additional checks will be in the next release of the
Andy Clark * IBM, JTC - Silicon Valley * andyclar at us.ibm.com

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