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SOLR-13496: Fix distributed grouping related NullPointerException in JSONWriter.writeSolrDocument

This commit is contained in:
Christine Poerschke 2019-06-07 16:05:10 +01:00
parent cd030efa9c
commit 1710a8a36d
2 changed files with 14 additions and 6 deletions
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2
solr/CHANGES.txt
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@ -92,6 +92,8 @@ Bug Fixes
* SOLR-13521: Fix input parameter handling in SchemaRequest.DynamicField and SchemaRequest.FieldTypes (Schema API)
(Tomás Fernández Löbbe)
* SOLR-13496: Fix distributed grouping related NullPointerException in JSONWriter.writeSolrDocument (Christine Poerschke)
Other Changes
----------------------

18
solr/core/src/java/org/apache/solr/search/grouping/endresulttransformer/GroupedEndResultTransformer.java
View File

@ -28,6 +28,7 @@ import org.apache.lucene.search.TotalHits;
import org.apache.lucene.search.grouping.GroupDocs;
import org.apache.lucene.search.grouping.TopGroups;
import org.apache.lucene.util.BytesRef;
import org.apache.solr.common.SolrDocument;
import org.apache.solr.common.SolrDocumentList;
import org.apache.solr.common.SolrException;
import org.apache.solr.common.SolrException.ErrorCode;
@ -90,9 +91,7 @@ public class GroupedEndResultTransformer implements EndResultTransformer {
docList.setMaxScore(group.maxScore);
}
docList.setStart(rb.getGroupingSpec().getWithinGroupOffset());
for (ScoreDoc scoreDoc : group.scoreDocs) {
docList.add(solrDocumentSource.retrieve(scoreDoc));
}
retrieveAndAdd(docList, solrDocumentSource, group.scoreDocs);
groupResult.add("doclist", docList);
groups.add(groupResult);
}
@ -110,9 +109,7 @@ public class GroupedEndResultTransformer implements EndResultTransformer {
docList.setMaxScore(queryCommandResult.getMaxScore());
}
docList.setStart(rb.getGroupingSpec().getWithinGroupOffset());
for (ScoreDoc scoreDoc :queryCommandResult.getTopDocs().scoreDocs){
docList.add(solrDocumentSource.retrieve(scoreDoc));
}
retrieveAndAdd(docList, solrDocumentSource, queryCommandResult.getTopDocs().scoreDocs);
command.add("doclist", docList);
commands.add(entry.getKey(), command);
}
@ -120,4 +117,13 @@ public class GroupedEndResultTransformer implements EndResultTransformer {
rb.rsp.add("grouped", commands);
}
private static void retrieveAndAdd(SolrDocumentList solrDocumentList, SolrDocumentSource solrDocumentSource, ScoreDoc[] scoreDocs) {
for (ScoreDoc scoreDoc : scoreDocs) {
SolrDocument solrDocument = solrDocumentSource.retrieve(scoreDoc);
if (solrDocument != null) {
solrDocumentList.add(solrDocument);
}
}
}
}