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https://issues.apache.org/jira/browse/SOLR-9048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Mikhail Khludnev updated SOLR-9048:
-----------------------------------
Labels: newbie (was: )
> {!parent } {!child } throws NPE if underneath query parser yields no clauses
> -----------------------------------------------------------------------------
>
> Key: SOLR-9048
> URL: https://issues.apache.org/jira/browse/SOLR-9048
> Project: Solr
> Issue Type: Bug
> Components: query parsers
> Environment: download solr 6.0 distro
> $bin/solr start -e techproducts
> Reporter: Mikhail Khludnev
> Labels: newbie
>
> if we add a stopword (here it's {{and}}) we can easily break query parsing via
> {code}
> {!child of=inStock:true}{!field f=title_en v='and'}}}
> {code}
> {noformat}
> <str name="trace">java.lang.NullPointerException
> at
> org.apache.lucene.search.join.ToChildBlockJoinQuery.hashCode(ToChildBlockJoinQuery.java:360)
> at
> org.apache.solr.search.QueryResultKey.<init>(QueryResultKey.java:46)
> at
> org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:1521)
> at
> org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:634)
> at
> org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:529)
> {noformat}
> {code}
> q={!parent which=inStock:true}{!field f=title_en v='and'}
> {code}
> {noformat}
> <str name="trace">java.lang.NullPointerException
> at
> org.apache.lucene.search.join.ToParentBlockJoinQuery.hashCode(ToParentBlockJoinQuery.java:493)
> at org.apache.solr.search.QueryResultKey.<init>(QueryResultKey.java:46)
> at
> org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:1521)
> at
> org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:634)
> at
> org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:529)
> at
> {noformat}
> however I wonder what's the proper behavior in this cases
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