18.3. Guarantees of Non-Transactional Acknowledgments
If you are acknowledging the delivery of a message on the client side using a non transacted session, HornetQ can be configured to block the call to acknowledge until the acknowledge has definitely reached the server, and a response has been sent back to the client. This is configured with the parameter
BlockOnAcknowledge
. If this is set to true
then all calls to acknowledge on non-transacted sessions will block until the acknowledge has reached the server, and a response has been sent back. You might want to set this to true
if you want to implement a strict at most once delivery policy. The default value is false