Retour vide plus propre

@@ -10,6 +10,7 @@ import org.slf4j.LoggerFactory;
 
 import javax.inject.Inject;
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -60,7 +61,7 @@ public class PublisherSearchRepositorySolrj implements PublisherSearchRepository
         if (queryResponse != null) {
             return queryResponse.getBeans(IndexedPublisher.class);
         } else {
-            return null;
+            return new ArrayList<>();
         }
     }
 }