Duplicate Notifications Delivered through FC

Aucun fichier du dépôt ni aucun test n'est nommé. Commencez par l'appel à FirebaseMessaging.getInstance.send et comparez l'ID du message côté serveur et les journaux d'envoi avec les journaux de réception de la Notification Service Extension. La tâche est terminée lorsqu'il a été identifié si la duplication provient du SDK, de Firebase Cloud Messaging ou de la livraison en aval, avec une vérification reproductible ou une cause externe documentée.

Environment:

• Operating System version: Java 8
• Firebase SDK version: 10.11.0
• Library version: 8.1.0
• Firebase Product: messaging (auth, database, storage, etc)

Problem:

We're seeing multiple instances of a single message being sent via Cloud Messaging using the Firebase Admin SDK, and users seeing duplicates on iOS. We have logs both on the server side, directly before and after on the server side, and on the client side upon receipt in a Notification Service Extension.

We've verified through these logs (tied to data from user screenshots), that the message is sent only once on our server, we receive a success response from the Firebase SDK, and the user receives that exact notification twice.

Server Logs:

16:08:16.542 | al-pool-2228 |  INFO | w.SendNotificationWorker$ | 303 | 31ec5101-b43e-4519-99a1-9bb3650471c7: Successfully sent notification 2273480
16:08:16.537 | al-pool-7377 |  INFO | .n.NotificationDispatcher | 342 | Notification id 2273480 sent status true
16:08:16.537 | al-pool-7377 |  INFO | c.s.f.s.FirebaseService$  | 158 | Submitted notification to Firebase with messageId: projects/{redacted}/messages/{redacted} for notification id: 2273480
16:08:16.336 | al-pool-4602 |  INFO | w.SendNotificationWorker$ |  92 | 31ec5101-b43e-4519-99a1-9bb3650471c7: Sending notification 2273480

Client Logs:

16:08:21.092 AM -0700 |	INFO | {redacted} | NotificationService | did receive notification | notificationId = 2273480
16:08:21.091 AM -0700	| INFO | {redacted} | NotificationService | did receive notification | notificationId = 2273480

Relevant Code:

val messageId = FirebaseMessaging.getInstance.send(messageBuilder.build)
logger.info(s"Submitted notification to Firebase with messageId: $messageId for notification id: ${notificationId
          .getOrElse(0L)}")