From b55bfbf4fb2a3c912664db15a3b026e1b9aefd51 Mon Sep 17 00:00:00 2001
From: Luca Frosini <luca.frosini@isti.cnr.it>
Date: Thu, 20 Oct 2022 12:16:48 +0200
Subject: [PATCH] Fixing corner case

---
 .../notifications/SocialNotificationModerationThread.java   | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/gcube/gcat/moderation/thread/social/notifications/SocialNotificationModerationThread.java b/src/main/java/org/gcube/gcat/moderation/thread/social/notifications/SocialNotificationModerationThread.java
index 6b7ea0f..f682f41 100644
--- a/src/main/java/org/gcube/gcat/moderation/thread/social/notifications/SocialNotificationModerationThread.java
+++ b/src/main/java/org/gcube/gcat/moderation/thread/social/notifications/SocialNotificationModerationThread.java
@@ -196,8 +196,10 @@ public class SocialNotificationModerationThread extends ModerationThread {
 		// Adding current ckanUser
 		users.add(CKANUser.getUsernameFromCKANUsername(ckanUser.getName()));
 		
-		// Adding item author
-		users.add(CKANUser.getUsernameFromCKANUsername(itemAuthorCkanUsername));
+		if(itemAuthorCkanUsername!=null) {
+			// Adding item author
+			users.add(CKANUser.getUsernameFromCKANUsername(itemAuthorCkanUsername));
+		}
 		
 		catalogueEvent.setIdsToNotify(users.toArray(new String[users.size()]));
 		catalogueEvent.setIdsAsGroup(false);