[jboss-user] [JBoss Messaging] - Re: question with rollback/redelivery semantics

timfox do-not-reply at jboss.com
Tue Apr 1 11:01:33 EDT 2008

"rlucente" wrote : I read the JMS spec but I didn't really see the description of a session/message affinity at rollback.  


"... If a transaction rollback is done, its produced messages
are destroyed and its consumed messages are automatically recovered. For more information on session recovery, see Section 4.4.11 ”Message



"A session’s recover method is used to stop a session and restart it with its first unacknowledged message. *** In effect, the session’s series of delivered messages is reset to the point after its last acknowledged message ***. ..."

anonymous wrote : 
  | Regardless, sessions are not thread-safe

True. If you do use a session between multiple threads all sorts of strange things might start to happen

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