[jboss-user] [JBoss Messaging] - Re: FIFO Ordering also if Rollback (Retry)?

timfox do-not-reply at jboss.com
Wed Nov 14 05:39:43 EST 2007


"mclu" wrote : Thx Tim!
  | 
  | I saw the Jira entry 
  | http://jira.jboss.com/jira/browse/JBAS-2444
  | about the ordering issu and a Link to Messaging.
  | 

Yes, that feature is implemented in JBM.

anonymous wrote : 
  | But anyway.
  | Does your explanaition mean that after a NACK/Transaction Rollback of my single JBM Consumer the Message is put back to the queue and is retried after the set time?
  | Example: 
  | Lets assume message A, B and C in the Queue. All with same prio and a single consumer. Retry Interval is set to 20 seconds.
  | 

Ok, you didn't mention you were doing _delayed_ redelivery.

The ordering only applies to normal redelivery (i.e. not delayed).

Guaranteeing ordering with a delayed redelivery would be even more complicated since we'd have to block any other messages that arrived in the intervening period being delivered.

It is possible though - you could add a feature request if you like :)



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