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https://issues.apache.org/jira/browse/JCR-3407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Parvulescu resolved JCR-3407.
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Resolution: Fixed
Fix Version/s: 2.6
Assignee: Alex Parvulescu
I also changed the WildcardQuery behavior, as in my view it was an accident
waiting to happen.
fixed in revision 1371065.
> CaseTermQuery #rewrite behavior changes
> ---------------------------------------
>
> Key: JCR-3407
> URL: https://issues.apache.org/jira/browse/JCR-3407
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Components: jackrabbit-core
> Reporter: Alex Parvulescu
> Assignee: Alex Parvulescu
> Fix For: 2.6
>
>
> I've ran into a DescendantSelfAxisQuery query that generates a NPE [0].
> It seems that the CaseTermQuery #rewrite behavior changed after the Lucene
> upgrade.
> In the case where there are no hist, the MultiTermQuery now returns a bunch
> of BooleanQuery(ies), which can produce null scorers.
> The pre-update behavior was to produce some ConstantScoreQuery queries.
> I'll change the rewrite method (#setRewriteMethod) to always produce a
> ConstantScoreQuery, bypassing the existing optimization in lucene, but
> enforcing a safe (no nulls) scorer behavior in jackrabbit.
> [0]
> java.lang.NullPointerException
> at
> org.apache.jackrabbit.core.query.lucene.DescendantSelfAxisQuery$DescendantSelfAxisScorer.collectContextHits(DescendantSelfAxisQuery.java:532)
> at
> org.apache.jackrabbit.core.query.lucene.DescendantSelfAxisQuery$DescendantSelfAxisScorer.nextDoc(DescendantSelfAxisQuery.java:473)
> at
> org.apache.jackrabbit.core.query.lucene.LuceneQueryHits.nextScoreNode(LuceneQueryHits.java:62)
> at
> org.apache.jackrabbit.core.query.lucene.QueryHitsAdapter.nextScoreNodes(QueryHitsAdapter.java:54)
> at
> org.apache.jackrabbit.core.query.lucene.FilterMultiColumnQueryHits.nextScoreNodes(FilterMultiColumnQueryHits.java:63)
> at
> org.apache.jackrabbit.core.query.lucene.QueryResultImpl.collectScoreNodes(QueryResultImpl.java:328)
> at
> org.apache.jackrabbit.core.query.lucene.QueryResultImpl.getResults(QueryResultImpl.java:291)
> at
> org.apache.jackrabbit.core.query.lucene.SingleColumnQueryResult.<init>(SingleColumnQueryResult.java:66)
> at
> org.apache.jackrabbit.core.query.lucene.QueryImpl.execute(QueryImpl.java:134)
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