diff --git a/event-impl/impl/src/java/org/sakaiproject/event/impl/NotificationCache.java b/event-impl/impl/src/java/org/sakaiproject/event/impl/NotificationCache.java index fc585a6..cd9eb37 100644 --- a/event-impl/impl/src/java/org/sakaiproject/event/impl/NotificationCache.java +++ b/event-impl/impl/src/java/org/sakaiproject/event/impl/NotificationCache.java @@ -350,7 +350,7 @@ public class NotificationCache implements Cacher, Observer { */ public synchronized void put(Notification payload) { - if (disabled()) return; + if (disabled() || payload == null) return; cache.put(payload.getReference(), payload);