Override lucene exception

noCharger · Sep 11, 2023 · e722b95 · e722b95
1 parent 81c7b97
commit e722b95
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/server/src/main/java/org/opensearch/script/ScoreScriptUtils.java b/server/src/main/java/org/opensearch/script/ScoreScriptUtils.java
@@ -35,6 +35,7 @@
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.StringHelper;
 import org.opensearch.ExceptionsHelper;
+import org.opensearch.OpenSearchException;
 import org.opensearch.common.geo.GeoDistance;
 import org.opensearch.common.geo.GeoPoint;
 import org.opensearch.common.geo.GeoUtils;
@@ -111,6 +112,9 @@ public float tf(String field, String term) {
             try {
                 return (float) scoreScript.getTermFrequency(TF, field, term);
             } catch (Exception e) {
+                if (e instanceof UnsupportedOperationException && e.getMessage().equals("requires a TFIDFSimilarity (such as ClassicSimilarity)")) {
+                    throw new OpenSearchException("requires a TFIDFSimilarity (such as [BM25] Similarity) in OpenSearch", e);
+                }
                 throw ExceptionsHelper.convertToOpenSearchException(e);
             }
         }