Christian Danninger created SOLR-8807:
-----------------------------------------
Summary: 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
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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