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From "Markus Jelsma (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-8807) NPE during spell checking when result collapsing is activated and index got more than one segment.
Date Fri, 03 Jun 2016 14:23:59 GMT

    [ https://issues.apache.org/jira/browse/SOLR-8807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15314180#comment-15314180
] 

Markus Jelsma commented on SOLR-8807:
-------------------------------------

FYI, for some reason the NPE disappeared after a collection optimize. I cannot reproduce it
like i did a few minutes ago just before the optimize.

> NPE during spell checking when result collapsing is activated and index got more than
one segment.
> --------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-8807
>                 URL: https://issues.apache.org/jira/browse/SOLR-8807
>             Project: Solr
>          Issue Type: Bug
>          Components: spellchecker
>    Affects Versions: 5.4
>         Environment: Solr 5.4 with an index cosisting of two segments
>            Reporter: Christian Danninger
>            Priority: Critical
>              Labels: collapse, spellcheck
>
> When using spellchecker with collapse/expand results, I got an NPE. Only happend when
the index consists of more than one segment. 
> {code}
> 11:30:33,505 WARN  [org.apache.solr.spelling.SpellCheckCollator] (http-/0.0.0.0:8080-2)
Exception trying to re-query to check if a spell check possibility would return any hits.:
java.lang.NullPointerException
>         at org.apache.solr.search.CollapsingQParserPlugin$OrdScoreCollector.finish(CollapsingQParserPlugin.java:631)
[solr-core-5.4.0.jar:5.4.0 1718046 - upayavira - 2015-12-04 23:16:46]
>         at org.apache.solr.search.CollapsingQParserPlugin$OrdScoreCollector.finish(CollapsingQParserPlugin.java:681)
[solr-core-5.4.0.jar:5.4.0 1718046 - upayavira - 2015-12-04 23:16:46]
>         at org.apache.solr.search.SolrIndexSearcher.buildAndRunCollectorChain(SolrIndexSearcher.java:213)
[solr-core-5.4.0.jar:5.4.0 1718046 - upayavira - 2015-12-04 23:16:46]
>         at org.apache.solr.search.SolrIndexSearcher.getDocListNC(SolrIndexSearcher.java:1672)
[solr-core-5.4.0.jar:5.4.0 1718046 - upayavira - 2015-12-04 23:16:46]
>         at org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:1491)
[solr-core-5.4.0.jar:5.4.0 1718046 - upayavira - 2015-12-04 23:16:46]
>         at org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:557)
[solr-core-5.4.0.jar:5.4.0 1718046 - upayavira - 2015-12-04 23:16:46]
>         at org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:525)
[solr-core-5.4.0.jar:5.4.0 1718046 - upayavira - 2015-12-04 23:16:46]
>         at org.apache.solr.spelling.SpellCheckCollator.collate(SpellCheckCollator.java:147)
[solr-core-5.4.0.jar:5.4.0 1718046 - upayavira - 2015-12-04 23:16:46]
>         at org.apache.solr.handler.component.SpellCheckComponent.addCollationsToResponse(SpellCheckComponent.java:238)
[solr-core-5.4.0.jar:5.4.0 1718046 - upayavira - 2015-12-04 23:16:46]
>         at org.apache.solr.handler.component.SpellCheckComponent.process(SpellCheckComponent.java:203)
[solr-core-5.4.0.jar:5.4.0 1718046 - upayavira - 2015-12-04 23:16:46]
>         at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:281)
[solr-core-5.4.0.jar:5.4.0 1718046 - upayavira - 2015-12-04 23:16:46]
>         at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:156)
[solr-core-5.4.0.jar:5.4.0 1718046 - upayavira - 2015-12-04 23:16:46]
>         at org.apache.solr.core.SolrCore.execute(SolrCore.java:2073) [solr-core-5.4.0.jar:5.4.0
1718046 - upayavira - 2015-12-04 23:16:46]
> {code}
> {code}
>   <requestHandler name="/select" class="solr.SearchHandler">
> 	<arr name="last-components">
> 	  <str>spellchecker</str>
> 	</arr>    
>     </requestHandler>
> {code}
> The query parameters are:
> {code}
>       "spellcheck.maxCollations": "5",
>       "q.op": "AND",
>       "fq": "{!collapse field=type}",
>       "spellcheck.maxCollationTries": "10",
>       "spellcheck.collateMaxCollectDocs": "100000",
>       "spellcheck.alternativeTermCount": "10",
>       "spellcheck.extendedResults": "true",
>       "spellcheck.dictionary": [
>         "dest_wordbreak",
>         "dest_fuzzy"
>       ],
>       "q": "kosamui thailand",
>       "defType": "edismax",
>       "expand": "true",
>       "spellcheck.maxResultsForSuggest": "3",
>       "qf": "country_name region_name",
>       "spellcheck": "true",
>       "spellcheck.accuracy": "0.5",
>       "spellcheck.count": "20",
>       "spellcheck.collate": "true",
> {code}



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