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From "Benjamin Pasero (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1263) NullPointerException in java.util.Hashtable from executing a Query
Date Wed, 23 Apr 2008 13:43:21 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12591647#action_12591647
] 

Benjamin Pasero commented on LUCENE-1263:
-----------------------------------------

The problem is actually a SpanNearQuery with an empty list of Spans, zero slop and TRUE for
the inOrder attribute. I have special cased this in our lucene usage so that we dont run into
this issue again. Still I think it should not cause this NPE in Lucene.

> NullPointerException in java.util.Hashtable from executing a Query
> ------------------------------------------------------------------
>
>                 Key: LUCENE-1263
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1263
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Search
>    Affects Versions: 2.1
>            Reporter: Benjamin Pasero
>            Priority: Minor
>
> Lately we are seeing this stacktrace showing up when executing a Query. Any ideas?
> java.lang.NullPointerException at java.util.Hashtable.get(Hashtable.java:482)
> at org.apache.lucene.index.MultiReader.norms(MultiReader.java:167)
> at org.apache.lucene.search.spans.SpanWeight.scorer(SpanWeight.java:72)
> at org.apache.lucene.search.DisjunctionMaxQuery$DisjunctionMaxWeight.scorer(DisjunctionMaxQuery.java:131)
> at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:130)
> at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:100)
> at org.apache.lucene.search.MultiSearcher.search(MultiSearcher.java:192)
> at org.apache.lucene.search.Hits.getMoreDocs(Hits.java:66)
> at org.apache.lucene.search.Hits.(Hits.java:45)
> at org.apache.lucene.search.Searcher.search(Searcher.java:45)
> at org.apache.lucene.search.Searcher.search(Searcher.java:37)

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