Any chance you could try 4.1.1? On 9/7/07, Juergen Mayrbaeurl <[EMAIL PROTECTED]> wrote: > > I did the same test with transacted sessions and the result is the same. > --> The order gets reversed after each attempt. > > Anyone seen this behaviour before? James told me that it should work as > expected! What's about version 4.1.1? Fixed? Or: It's not a bug, it's a > feature. > > Kind regards > Juergen > > > Juergen Mayrbaeurl wrote: > > > > Unfortunately the ordering doesn't work with client acknowledge in 4.1.0 > > as the following example shows > > > > 1) 10 messages for topic produced > > 2) First attempt to receive the messages with a durable topic subscriber > > (acknowledment mode set to client acknowlede but not called for any of the > > messages) > > > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:1 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:2 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:3 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:4 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:5 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:6 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:7 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:8 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:9 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:10 > > > > 3) Second attempt > > > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:10 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:9 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:8 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:7 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:6 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:5 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:4 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:3 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:2 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:1 > > > > 4) Third attempt: > > > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:1 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:2 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:3 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:4 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:5 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:6 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:7 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:8 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:9 > > Message ID: ID:hvb0396-1306-1189153233546-1:0:1:1:10 > > > > As you can see the order gets reversed after each attempt. I'll do some > > further testing with tranacted sessions. > > > > Kind regards > > Juergen > > > > > > James.Strachan wrote: > >> > >> On 9/6/07, Juergen Mayrbaeurl <[EMAIL PROTECTED]> wrote: > >>> > >>> Hi! > >>> > >>> Our application has to make sure that all consumers with durable topic > >>> subscriptions get messages in strict order even when a message has to be > >>> delivered. > >>> E.g. > >>> Publisher puts message 1 to 10 on topic. Consumer opens a session, gets > >>> message 1, makes a client acknowledment, gets message 2, makes a client > >>> acknowledment, and so on. On message 3 a runtime exception occurs and no > >>> client acknowledment is done, but the session and the connection are > >>> closed. > >>> The next time the consumer opens a session message 4 gets delivered > >>> before > >>> message 3. > >>> > >>> What do we have to do to get message 3 (and not 4) as the first message? > >>> Do > >>> we have to use a special redelivery policy? > >> > >> It should just work; though FWIW I'd recommend you switch from using > >> acknowledge to using JMS transactions. They are typically faster as > >> well as allowing you to do a rollback (rather than having to close the > >> session & connection on failure) > >> http://activemq.apache.org/should-i-use-transactions.html > >> > >> > >>> PS: We're using ActiveMQ 4.1.0 > >> > >> I'd also recommend you upgrade to 4.1.1 > >> -- > >> James > >> ------- > >> http://macstrac.blogspot.com/ > >> > >> > > > > > > -- > View this message in context: > http://www.nabble.com/Strict-order-of-messages-with-redelivery-tf4391491s2354.html#a12542296 > Sent from the ActiveMQ - User mailing list archive at Nabble.com. > >
-- James ------- http://macstrac.blogspot.com/
