Tommaso Teofili created OAK-2531:
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Summary: Suggest field doesn't get stored if it has only one value
Key: OAK-2531
URL: https://issues.apache.org/jira/browse/OAK-2531
Project: Jackrabbit Oak
Issue Type: Bug
Components: oak-lucene
Affects Versions: 1.1.6
Reporter: Tommaso Teofili
Assignee: Tommaso Teofili
Fix For: 1.1.7
Because of LUCENE-5833 we have to do merge the _:suggest_ field values in one
single valued field, however in case there's only one value (e.g. a Lucene
property index on _jcr:primaryType_) the value is not stored as it
{{LuceneIndexEditor}} uses the previously set field
{{newPropertyField(FieldNames.SUGGEST, value, true, false)}} instead of
{{FieldFactory.newSuggestField(f.stringValue())}} causing the building of the
suggester dictionary to fail with:
{noformat}
org.apache.jackrabbit.oak.plugins.index.lucene.util.SuggestHelper could not
update the suggester
java.lang.IllegalArgumentException: need at least one suggestion
at
org.apache.lucene.search.suggest.analyzing.FreeTextSuggester.build(FreeTextSuggester.java:338)
at
org.apache.lucene.search.suggest.analyzing.FreeTextSuggester.build(FreeTextSuggester.java:278)
at org.apache.lucene.search.suggest.Lookup.build(Lookup.java:165)
at
org.apache.jackrabbit.oak.plugins.index.lucene.util.SuggestHelper.updateSuggester(SuggestHelper.java:64)
at
org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexEditorContext.updateSuggester(LuceneIndexEditorContext.java:188)
{noformat}
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