I did some brief debugging: the method FragmentXmlLoader::loadXml() goes
into an infinite loop with this input document. Specifically, when it
starts parsing the <template head="R..." element, it repeatedly gets to
line 332 in that file:
if (theXQueryDiagnostics->errors().empty()
&&
theFragmentStream->current_offset == 0)
{
if (theFragmentStream->state ==
FragmentIStream::FRAGMENT_FIRST_START_DOC)
FragmentXmlLoader::startDocument(theFragmentStream->ctxt->userData);
xmlParseCharData(theFragmentStream->ctxt, 0);
theFragmentStream->current_offset = getCurrentInputOffset(); // update
current offset
And theFragmentStream->current_offset is set (again) to 0 at this point,
meaning it will get to the same point the next time through, and so on.
** Changed in: zorba
Status: New => Confirmed
** Changed in: zorba
Importance: Medium => Critical
** Changed in: zorba
Milestone: None => 2.7
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https://bugs.launchpad.net/bugs/1027270
Title:
xml:parse() - infinite loop
Status in Zorba - The XQuery Processor:
Confirmed
Bug description:
"xmllint wiki.xml" reveals that for some reason the input file contains lots
of numeric character references (cat and vim decode those automatically).
Strangely it doesn't seem to be only one character but a combination of lines
that provokes the behaviour (I tried removing some lines individually but
couldn't reproduce after that).
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