[jboss-dev-forums] [Design of Messaging on JBoss (Messaging/JBoss)] - Re: AUTO_ACKNOWLEDGE weirdness

[timfox]

It gets even more confusing :)

For an MDB, using JMSContainerInvoker (I'm not sure if JCA 1.5 inflow shows the same behaviour) and with ack mode AUTO_ACKNOWLEDGE, the message is received by the connection consumer before handing off to to the MDB, therefore for an MDB and AUTO_ACKNOWLEDGE the message is acked *before* the MDB onMessage is executed, which is the opposite of what happens for a standard non MDB MessageListener.

Nice.

The more I delve into the MDB container, JCA 1.5 inflow, and JMS message delivery, the more I realise how full of contradictions, badly specced/unspecced areas and inconsistent behaviour this area is. :)

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