[jira] Commented: (JXPATH-12) [jxpath] Descendant or self axis does not work correctly at root node

["Marcin Sarniak (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/JXPATH-12?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12462163 ] 

Marcin Sarniak commented on JXPATH-12:
--------------------------------------

Adding a patch proposition for this bug (patch.jxpath-12.txt). 

As written here before, bug actually appears when xpatch is like "//root".
It appears also when a dom is inside any java structure 
For example: map.put("test", new Document(new Element("root"))); xpatch for
"//root" would return null.

Exactly the same bug was both for JDom and Dom; both are fixed.

Modifies 4 files:
 main:
   JDOMNodePointer.java
   DOMNodePointer.java
 tests:  
   JDOMModelTest.java
   DOMModelTest.java

This patch is to latest version (2.2?), not to version 1.2, reported as affected here.

> [jxpath] Descendant or self axis does not work correctly at root node
> ---------------------------------------------------------------------
>
>                 Key: JXPATH-12
>                 URL: https://issues.apache.org/jira/browse/JXPATH-12
>             Project: Commons JXPath
>          Issue Type: Bug
>    Affects Versions: 1.2 Final
>         Environment: Operating System: other
> Platform: Other
>            Reporter: Simon R?ss
>         Attachments: DescendantOrSelfTest.java, patch.jxpath-12.txt
>
>
> Given the following XML document: <root id="1234"/>
> and the XPath: //root/@id/text().
> JXPath returns null instead of "1234".
> JXPathContext context = JXPathContext.newContext(doc);
> assertEquals(value, context.selectSingleNode("//root/@id/text()"));
> The attached JUnit test highlights the problem. It seems that JXPath does not
> find the root node if it is accessed with the axis descendant-or-self.

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