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https://issues.apache.org/jira/browse/SOLR-13944?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Munendra S N updated SOLR-13944:
--------------------------------
Attachment: SOLR-13944.patch
> CollapsingQParserPlugin throws NPE instead of bad request
> ---------------------------------------------------------
>
> Key: SOLR-13944
> URL: https://issues.apache.org/jira/browse/SOLR-13944
> Project: Solr
> Issue Type: Bug
> Affects Versions: 7.3.1
> Reporter: Stefan
> Assignee: Munendra S N
> Priority: Minor
> Attachments: SOLR-13944.patch, SOLR-13944.patch
>
>
> I noticed the following NPE:
> {code:java}
> java.lang.NullPointerException at
> org.apache.solr.search.CollapsingQParserPlugin$OrdFieldValueCollector.finish(CollapsingQParserPlugin.java:1021)
> at
> org.apache.solr.search.CollapsingQParserPlugin$OrdFieldValueCollector.finish(CollapsingQParserPlugin.java:1081)
> at
> org.apache.solr.search.SolrIndexSearcher.buildAndRunCollectorChain(SolrIndexSearcher.java:230)
> at
> org.apache.solr.search.SolrIndexSearcher.getDocListNC(SolrIndexSearcher.java:1602)
> at
> org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:1419)
> at
> org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:584)
> {code}
> If I am correct, the problem was already addressed in SOLR-8807. The fix does
> was not working in this case though, because of a syntax error in the query
> (I used the local parameter syntax twice instead of combining it). The
> relevant part of the query is:
> {code:java}
> &fq={!tag=collapser}{!collapse field=productId sort='merchantOrder asc, price
> asc, id asc'}
> {code}
> After discussing that on the mailing list, I was asked to open a ticket,
> because this situation should result in a bad request instead of a
> NullpointerException (see
> [https://mail-archives.apache.org/mod_mbox/lucene-solr-user/201911.mbox/%3CCAMJgJxTuSb%3D8szO8bvHiAafJOs08O_NMB4pcaHOXME4Jj-GO2A%40mail.gmail.com%3E])
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