opendj-rest2ldap/src/main/java/org/forgerock/opendj/rest2ldap/ReferencePropertyMapper.java
@@ -361,9 +361,11 @@ @Override JsonValue toJsonSchema() { if (mapper.isMultiValued()) { final JsonValue jsonSchema = json(object(field("type", "array"))); jsonSchema.put("items", mapper.toJsonSchema()); jsonSchema.put("uniqueItems", true); final JsonValue jsonSchema = json(object( field("type", "array"), field("items", mapper.toJsonSchema()), // LDAP has set semantics => all items are unique field("uniqueItems", true))); putWritabilityProperties(jsonSchema); return jsonSchema; }