Alex Parvulescu created JCR-3407:
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Summary: 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
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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