Fix IndexOutOfBoundsException when try to map inner hits with no results returned.

Original Pull Request #1998 
Closes #1997
Co-authored-by: Peter-Josef Meisch <pj.meisch@sothawo.com>
This commit is contained in:
Sascha Woo 2021-11-23 20:08:50 +01:00 committed by GitHub
parent 44f9b29b66
commit 49324a369a
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2 changed files with 31 additions and 6 deletions

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@ -22,8 +22,7 @@ import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.data.elasticsearch.UncategorizedElasticsearchException;
import org.springframework.data.elasticsearch.backend.elasticsearch7.document.SearchDocumentResponse;
import org.springframework.data.elasticsearch.core.convert.ElasticsearchConverter;
import org.springframework.data.elasticsearch.core.document.Document;
@ -45,12 +44,11 @@ import org.springframework.util.Assert;
* @author Mark Paluch
* @author Roman Puchkovskiy
* @author Matt Gilene
* @author Sascha Woo
* @since 4.0
*/
public class SearchHitMapping<T> {
private static final Log LOGGER = LogFactory.getLog(SearchHitMapping.class);
private final Class<T> type;
private final ElasticsearchConverter converter;
private final MappingContext<? extends ElasticsearchPersistentEntity<?>, ElasticsearchPersistentProperty> mappingContext;
@ -194,7 +192,7 @@ public class SearchHitMapping<T> {
*/
private SearchHits<?> mapInnerDocuments(SearchHits<SearchDocument> searchHits, Class<T> type) {
if (searchHits.getTotalHits() == 0) {
if (searchHits.isEmpty()) {
return searchHits;
}
@ -239,7 +237,7 @@ public class SearchHitMapping<T> {
searchHits.getSuggest());
}
} catch (Exception e) {
LOGGER.warn("Could not map inner_hits", e);
throw new UncategorizedElasticsearchException("Unable to convert inner hits.", e);
}
return searchHits;

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@ -2787,6 +2787,33 @@ public abstract class ElasticsearchTemplateTests {
assertThat(searchHits.getSearchHit(1).getInnerHits("innerHits").getTotalHits()).isEqualTo(1);
}
@Test // #1997
@DisplayName("should return document with inner hits size zero")
void shouldReturnDocumentWithInnerHitsSizeZero() {
// given
SampleEntity sampleEntity = SampleEntity.builder().id(nextIdAsString()).message("message 1").rate(1)
.version(System.currentTimeMillis()).build();
List<IndexQuery> indexQueries = getIndexQueries(Arrays.asList(sampleEntity));
operations.bulkIndex(indexQueries, IndexCoordinates.of(indexNameProvider.indexName()));
NativeSearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(matchAllQuery())
.withCollapseBuilder(new CollapseBuilder("rate").setInnerHits(new InnerHitBuilder("innerHits").setSize(0)))
.build();
// when
SearchHits<SampleEntity> searchHits = operations.search(searchQuery, SampleEntity.class,
IndexCoordinates.of(indexNameProvider.indexName()));
// then
assertThat(searchHits).isNotNull();
assertThat(searchHits.getTotalHits()).isEqualTo(1);
assertThat(searchHits.getSearchHits()).hasSize(1);
assertThat(searchHits.getSearchHit(0).getContent().getMessage()).isEqualTo("message 1");
}
private IndexQuery getIndexQuery(SampleEntity sampleEntity) {
return new IndexQueryBuilder().withId(sampleEntity.getId()).withObject(sampleEntity)
.withVersion(sampleEntity.getVersion()).build();