DOI / Notification / Notify user who requested the DOI.

Author: fxprunayre

doi/src/main/java/org/fao/geonet/doi/client/DoiManager.java

@@ -582,7 +582,7 @@ private void notifyByMail(ServiceContext context, AbstractMetadata metadata, Str
                     ms.getStatusValue().getName().equals("doiCreationTask") && (ms.getCloseDate() == null)).findFirst();
 
                 if (msOpt.isPresent()) {
-                    Integer taskOwner = msOpt.get().getOwner();
+                    Integer taskOwner = msOpt.get().getUserId();
                     if (taskOwner != null) {
                         UserRepository userRepository = context.getBean(UserRepository.class);
                         Optional<User> ownerUser = userRepository.findById(taskOwner);