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Posted to issues@lucene.apache.org by "Alan Woodward (Jira)" <ji...@apache.org> on 2021/02/08 11:07:00 UTC
[jira] [Assigned] (LUCENE-9744) NPE on a degenerate query in
MinimumShouldMatchIntervalsSource$MinimumMatchesIterator.getSubMatches()
[ https://issues.apache.org/jira/browse/LUCENE-9744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alan Woodward reassigned LUCENE-9744:
-------------------------------------
Assignee: Alan Woodward
> NPE on a degenerate query in MinimumShouldMatchIntervalsSource$MinimumMatchesIterator.getSubMatches()
> -----------------------------------------------------------------------------------------------------
>
> Key: LUCENE-9744
> URL: https://issues.apache.org/jira/browse/LUCENE-9744
> Project: Lucene - Core
> Issue Type: Bug
> Affects Versions: master (9.0), 8.7
> Reporter: Dawid Weiss
> Assignee: Alan Woodward
> Priority: Major
> Attachments: LUCENE-9744.patch, LUCENE-9744.patch
>
>
> This query:
> {code}
> Query q1 =
> new IntervalQuery(
> FLD_TEXT1,
> Intervals.ordered(
> Intervals.atLeast(1, Intervals.term("foo")),
> Intervals.atLeast(1, Intervals.term("bar"))));
> {code}
> produces an NPE when retrieving match regions. Note degenerate atLeast with only one argument - this may play a role but it's not signaled anywhere before (the query itself does select the right documents, NPE blows up when matches are retrieved).
> Stack:
> {code}
> java.lang.NullPointerException
> at __randomizedtesting.SeedInfo.seed([2DDAAECF04D90D2F:EB69410397F8761E]:0)
> at org.apache.lucene.queries.intervals.MinimumShouldMatchIntervalsSource$MinimumMatchesIterator.getSubMatches(MinimumShouldMatchIntervalsSource.java:389)
> at org.apache.lucene.queries.intervals.CachingMatchesIterator.cache(CachingMatchesIterator.java:39)
> at org.apache.lucene.queries.intervals.CachingMatchesIterator.next(CachingMatchesIterator.java:68)
> at org.apache.lucene.queries.intervals.IntervalMatches$2.nextInterval(IntervalMatches.java:137)
> at org.apache.lucene.queries.intervals.OrderedIntervalsSource$OrderedIntervalIterator.nextInterval(OrderedIntervalsSource.java:166)
> at org.apache.lucene.queries.intervals.ConjunctionIntervalsSource.matches(ConjunctionIntervalsSource.java:89)
> at org.apache.lucene.queries.intervals.IntervalQuery$IntervalWeight.lambda$matches$0(IntervalQuery.java:177)
> at org.apache.lucene.search.MatchesUtils.forField(MatchesUtils.java:115)
> at org.apache.lucene.queries.intervals.IntervalQuery$IntervalWeight.matches(IntervalQuery.java:174)
> at org.apache.lucene.search.matchhighlight.MatchRegionRetriever.highlightDocument(MatchRegionRetriever.java:210)
> at org.apache.lucene.search.matchhighlight.MatchRegionRetriever.highlightDocuments(MatchRegionRetriever.java:193)
> at org.apache.lucene.search.matchhighlight.MatchRegionRetriever.highlightDocuments(MatchRegionRetriever.java:146)
> at org.apache.lucene.search.matchhighlight.MatchHighlighter.highlight(MatchHighlighter.java:236)
> at org.apache.lucene.search.matchhighlight.TestMatchHighlighter.lambda$testNpeOnIntervalQuery$7(TestMatchHighlighter.java:540)
> at org.apache.lucene.search.matchhighlight.IndexBuilder.build(IndexBuilder.java:100)
> at org.apache.lucene.search.matchhighlight.TestMatchHighlighter.testNpeOnIntervalQuery(TestMatchHighlighter.java:510)
> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.base/java.lang.reflect.Method.invoke(Method.java:564)
> {code}
> Repro test attached.
> [~romseygeek], help! :)
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