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From "Michele Vivoda (JIRA)" <>
Subject [jira] [Created] (JXPATH-161) negative index in xpath expression
Date Mon, 19 Aug 2013 18:40:51 GMT
Michele Vivoda created JXPATH-161:

             Summary: negative index in xpath expression
                 Key: JXPATH-161
             Project: Commons JXPath
          Issue Type: Bug
    Affects Versions: 1.3, 1.4
            Reporter: Michele Vivoda
            Priority: Minor

JXPath seems to handle incorrectly negative indexes in XPath expressions 

Given xml <root><a>1<a></root> and xpath "/root/a[-1]"

Xalan and Saxon match no node

JXPath matches <a>.

The same happens also for expressions "/root/a[-2]" and "/root/a[0]" (in XPath index starts
with one)

This problem does not affect xpath on beans, that seems to work correctly, but is present
when performing xpath on DOM.

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