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Posted to dev@jackrabbit.apache.org by "Bart van der Schans (JIRA)" <ji...@apache.org> on 2012/10/03 10:28:09 UTC
[jira] [Assigned] (JCR-3435) NPE on parsing XPath query with child
axis and star name at beginning (regression from 1.6.x)
[ https://issues.apache.org/jira/browse/JCR-3435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bart van der Schans reassigned JCR-3435:
----------------------------------------
Assignee: Bart van der Schans
> NPE on parsing XPath query with child axis and star name at beginning (regression from 1.6.x)
> ---------------------------------------------------------------------------------------------
>
> Key: JCR-3435
> URL: https://issues.apache.org/jira/browse/JCR-3435
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Components: jackrabbit-spi-commons
> Affects Versions: 2.4.2, 2.4.4, 2.5.2, 2.6
> Reporter: Jörg von Frantzius
> Assignee: Bart van der Schans
> Labels: queryparser, xpath
> Fix For: 2.4.4, 2.6
>
> Attachments: xpathqueryparser.patch
>
>
> When adding the following to {{org.apache.jackrabbit.spi.commons.query.xpath.QueryFormatTest}}:
> {code}
> public void testChildStarName() throws Exception {
> checkStatement("//element(*, foo)[child::*/@bar = 'bla']");
> }
> {code}
> a NullPointerException is thrown while parsing:
> {code}
> java.lang.NullPointerException
> at org.apache.jackrabbit.spi.commons.query.xpath.QueryFormat.visit(QueryFormat.java:351)
> at org.apache.jackrabbit.spi.commons.query.RelationQueryNode.accept(RelationQueryNode.java:115)
> at org.apache.jackrabbit.spi.commons.query.xpath.QueryFormat.visit(QueryFormat.java:317)
> at org.apache.jackrabbit.spi.commons.query.LocationStepQueryNode.accept(LocationStepQueryNode.java:166)
> at org.apache.jackrabbit.spi.commons.query.xpath.QueryFormat.visit(QueryFormat.java:260)
> at org.apache.jackrabbit.spi.commons.query.PathQueryNode.accept(PathQueryNode.java:74)
> at org.apache.jackrabbit.spi.commons.query.xpath.QueryFormat.visit(QueryFormat.java:115)
> at org.apache.jackrabbit.spi.commons.query.QueryRootNode.accept(QueryRootNode.java:115)
> at org.apache.jackrabbit.spi.commons.query.xpath.QueryFormat.<init>(QueryFormat.java:75)
> at org.apache.jackrabbit.spi.commons.query.xpath.QueryFormat.toString(QueryFormat.java:95)
> at org.apache.jackrabbit.spi.commons.query.xpath.QueryFormatTest.checkStatement(QueryFormatTest.java:80)
> at org.apache.jackrabbit.spi.commons.query.xpath.QueryFormatTest.testChildStarName(QueryFormatTest.java:71)
> {code}
> This is a regression from Jackrabbit 1.6.5, where a similar test does run, i.e. parsing does not throw exception.
> The same NPE happens when "child::" is dropped, i.e. when the query looks like this:
> {code}
> "//element(*, foo)[*/@bar = 'bla']"
> {code}
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