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No objects appearing in the bucket - Amazon Managed Streaming for Apache Kafka

No objects appearing in the bucket

  • Symptom: The Channel is ACTIVE but no data appears at the destination.

  • Causes: Service-role permission problems (delivery is retried but never succeeds, so nothing is written); no new data produced after enablement (the Channel does not backfill).

  • Resolution: Check Amazon CloudWatch Logs for AccessDenied or permission errors, and verify the service role has the required S3 and KMS permissions. Confirm producers are actively writing to the topic (check BytesInPerSec). Remember that only data produced after enablement is delivered.