Message Redelivery
Qualified messages will be redelivered in a failover situation.
- Persistent
When a failure occurs, messages with delivery mode
PERSISTENT
, that were not successfully acknowledged before the failure, are redelivered. - Synchronous Mode
When using durable subscribers, EMS guarantees that a message with
PERSISTENT
delivery mode and written to astore
with the propertymode=sync
, will not be lost during a failure. - Delivery Succeeded
Any messages that have been successfully acknowledged or committed are not redelivered, in compliance with the Jakarta Messaging specification.
- Topics
All topic subscribers continue normal operation after a failover.
Subtopics