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https://issues.apache.org/jira/browse/JXPATH-113?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michele Vivoda reopened JXPATH-113:
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Hi,
I just compiled JXPath and got back the NPE, code was the same as when bug was
opened. After a while I think I sorted it out:
Patch was applied with a typo, using [parent] instead than [actualParent] /
[useParent].
then [~ebourg] removed the check that was actually useless, revision 652903 and
bug is back
So I would apply the initial proposal, as written in the bug description.
http://mail-archives.apache.org/mod_mbox/commons-commits/200805.mbox/%[email protected]%3E
> NullPointerException in ChildContext
> ------------------------------------
>
> Key: JXPATH-113
> URL: https://issues.apache.org/jira/browse/JXPATH-113
> Project: Commons JXPath
> Issue Type: Bug
> Reporter: Michele Vivoda
> Priority: Minor
> Fix For: 1.3
>
>
> In ChildContext I get a NullPointerException, the error appears in method
> prepare()
> iterator = (startFromParentLocation ? parent.getParent() :
> parent).childIterator(nodeTest,
> reverse, startFromParentLocation ? parent : null);
>
> should be changed in my opinion to
> final NodePointer actualParent = startFromParentLocation ? parent.getParent()
> : parent;
> iterator = actualParent==null ? null :
> actualParent.childIterator(nodeTest,
> reverse, startFromParentLocation ? parent : null);
> The tests triggering the error are testIssue172_CountFollowingSiblingNode and
> testIssue172_CountPrecedingSiblingNode
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