[jboss-user] [JBoss Messaging] - Re: Orderer redelivery of messages

[timfox]

If you are using MDBs the situation is further complicated, since the app server can obtain several messages from the underlying JMS provider in one go before forwarding to the MDB.

Probably the only reason you are seeing ordered redelivery with MDBs is that JBM does local delivery on rollback (i.e. does not force a NACK like JBoss MQ). I wouldn't guarantee this behaviour stays for ever.

So the bottom line is, no we don't guarantee ordered redelivery, although you may see something that looks like ordered redelivery under some circumstances.

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