Fix

src/main/java/it/inaf/ia2/transfer/service/ArchiveService.java

@@ -239,12 +239,6 @@ public class ArchiveService {
         List<String> vosPaths = entryDescriptors.stream().map(ed -> ed.getVosPath())
                 .collect(Collectors.toList());
 
-        /*
-        if (vosPaths.size() == 1) {
-            String vosPath = vosPaths.get(0);
-            return vosPath.substring(0, vosPath.lastIndexOf("/"));
-        }*/
-
         String commonParent = null;
         for (String vosPath : vosPaths) {
             if (commonParent == null) {