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Posted to dev@lucene.apache.org by "Benjamin Pasero (JIRA)" <ji...@apache.org> on 2008/04/14 16:35:04 UTC
[jira] Created: (LUCENE-1263) NullPointerException in
java.util.Hashtable from executing a Query
NullPointerException in java.util.Hashtable from executing a Query
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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
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$DisjunctionMaxWeight.scorer(DisjunctionMaxQuery.java:131)
at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:130)
at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:100)
at org.apache.lucene.search.MultiSearcher.search(MultiSearcher.java:192)
at org.apache.lucene.search.Hits.getMoreDocs(Hits.java:66)
at org.apache.lucene.search.Hits.(Hits.java:45)
at org.apache.lucene.search.Searcher.search(Searcher.java:45)
at org.apache.lucene.search.Searcher.search(Searcher.java:37)
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[jira] Updated: (LUCENE-1263) NullPointerException in
java.util.Hashtable from executing a Query
Posted by "Michael Busch (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/LUCENE-1263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Busch updated LUCENE-1263:
----------------------------------
Priority: Minor (was: Major)
> NullPointerException in java.util.Hashtable from executing a Query
> ------------------------------------------------------------------
>
> Key: LUCENE-1263
> URL: https://issues.apache.org/jira/browse/LUCENE-1263
> Project: Lucene - Java
> Issue Type: Bug
> Components: Search
> Affects Versions: 2.1
> Reporter: Benjamin Pasero
> Priority: Minor
>
> Lately we are seeing this stacktrace showing up when executing a Query. Any ideas?
> java.lang.NullPointerException at java.util.Hashtable.get(Hashtable.java:482)
> at org.apache.lucene.index.MultiReader.norms(MultiReader.java:167)
> at org.apache.lucene.search.spans.SpanWeight.scorer(SpanWeight.java:72)
> at org.apache.lucene.search.DisjunctionMaxQuery$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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[jira] Commented: (LUCENE-1263) NullPointerException in
java.util.Hashtable from executing a Query
Posted by "Benjamin Pasero (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/LUCENE-1263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12590377#action_12590377 ]
Benjamin Pasero commented on LUCENE-1263:
-----------------------------------------
This seems to be caused by an empty span-near-query. The term was filtered out by a stopword list. Any ideas?
> 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
>
> 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$DisjunctionMaxWeight.scorer(DisjunctionMaxQuery.java:131)
> at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:130)
> at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:100)
> at org.apache.lucene.search.MultiSearcher.search(MultiSearcher.java:192)
> at org.apache.lucene.search.Hits.getMoreDocs(Hits.java:66)
> at org.apache.lucene.search.Hits.(Hits.java:45)
> at org.apache.lucene.search.Searcher.search(Searcher.java:45)
> at org.apache.lucene.search.Searcher.search(Searcher.java:37)
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[jira] Commented: (LUCENE-1263) NullPointerException in
java.util.Hashtable from executing a Query
Posted by "Mark Miller (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/LUCENE-1263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12646396#action_12646396 ]
Mark Miller commented on LUCENE-1263:
-------------------------------------
I cannot duplicate your problem. Are you sure this an issue with Lucene and not your code? Any hints on recreating it?
> NullPointerException in java.util.Hashtable from executing a Query
> ------------------------------------------------------------------
>
> Key: LUCENE-1263
> URL: https://issues.apache.org/jira/browse/LUCENE-1263
> Project: Lucene - Java
> Issue Type: Bug
> Components: Search
> Affects Versions: 2.1
> Reporter: Benjamin Pasero
> Priority: Minor
>
> Lately we are seeing this stacktrace showing up when executing a Query. Any ideas?
> java.lang.NullPointerException at java.util.Hashtable.get(Hashtable.java:482)
> at org.apache.lucene.index.MultiReader.norms(MultiReader.java:167)
> at org.apache.lucene.search.spans.SpanWeight.scorer(SpanWeight.java:72)
> at org.apache.lucene.search.DisjunctionMaxQuery$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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[jira] Commented: (LUCENE-1263) NullPointerException in
java.util.Hashtable from executing a Query
Posted by "Benjamin Pasero (JIRA)" <ji...@apache.org>.
[ 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$DisjunctionMaxWeight.scorer(DisjunctionMaxQuery.java:131)
> at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:130)
> at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:100)
> at org.apache.lucene.search.MultiSearcher.search(MultiSearcher.java:192)
> at org.apache.lucene.search.Hits.getMoreDocs(Hits.java:66)
> at org.apache.lucene.search.Hits.(Hits.java:45)
> at org.apache.lucene.search.Searcher.search(Searcher.java:45)
> at org.apache.lucene.search.Searcher.search(Searcher.java:37)
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You can reply to this email to add a comment to the issue online.
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[jira] Commented: (LUCENE-1263) NullPointerException in
java.util.Hashtable from executing a Query
Posted by "Michael Busch (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/LUCENE-1263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12590408#action_12590408 ]
Michael Busch commented on LUCENE-1263:
---------------------------------------
Benjamin,
could you provide more information about how your queries look like and how they're created?
It looks like the SpanQuery your are trying to execute has a field value of null.
> NullPointerException in java.util.Hashtable from executing a Query
> ------------------------------------------------------------------
>
> Key: LUCENE-1263
> URL: https://issues.apache.org/jira/browse/LUCENE-1263
> Project: Lucene - Java
> Issue Type: Bug
> Components: Search
> Affects Versions: 2.1
> Reporter: Benjamin Pasero
>
> Lately we are seeing this stacktrace showing up when executing a Query. Any ideas?
> java.lang.NullPointerException at java.util.Hashtable.get(Hashtable.java:482)
> at org.apache.lucene.index.MultiReader.norms(MultiReader.java:167)
> at org.apache.lucene.search.spans.SpanWeight.scorer(SpanWeight.java:72)
> at org.apache.lucene.search.DisjunctionMaxQuery$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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