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Posted to dev@tomcat.apache.org by bu...@apache.org on 2010/07/09 21:21:01 UTC
DO NOT REPLY [Bug 49578] XPath handling only supports single
reference to variable
https://issues.apache.org/bugzilla/show_bug.cgi?id=49578
Jeremy Boynes <jb...@apache.org> changed:
What |Removed |Added
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OS/Version| |All
--- Comment #1 from Jeremy Boynes <jb...@apache.org> 2010-07-09 15:20:59 EDT ---
This appears to be because of the transformation of the expression performed in
XPathUtil#adaptParamsForXalan which takes a variable reference at the start of
the expression and maps to a context node. The documentation implies this is
because:
* Given all of this, if no context node is set for the evaluation
* of the XPath expression, one must be set so Xalan
* can successfully evaluate a JSTL XPath expression.
* (it will not work if the context node is given as a varialbe
* at the beginning of the expression)
However, Xalan is able to handle variable references like this through its
VariableStack API (or as a XPathVariableResolver when called via the JAXP API).
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