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From "arnaud hoareau (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMQ-5730) When nonBlockingRedelivery is set to true, redelivery delays can be incorrect
Date Thu, 16 Apr 2015 16:10:58 GMT

     [ https://issues.apache.org/jira/browse/AMQ-5730?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

arnaud hoareau updated AMQ-5730:
--------------------------------
    Component/s: Broker

> When nonBlockingRedelivery is set to true, redelivery delays can be incorrect
> -----------------------------------------------------------------------------
>
>                 Key: AMQ-5730
>                 URL: https://issues.apache.org/jira/browse/AMQ-5730
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>            Reporter: arnaud hoareau
>
> If nonBlockingRedivery is set to true and several message transactional deliveries are
rollbacked by the same message consumer, their redelivery delay will interfer with each other.

> Ex: 
> 1) A first message delivery is rollbacked. 
> 2) A second message is consumed by the same message consumer and delivery of second message
is also rollbacked.
> 3) First message is redelivered after initial delay and is rollbacked. 
> 4) Second message is delivered after initial delay and is rollbacked.
> 5) First message is redelivered after delay according to values of parameters useExponentialBackOff,
backOffMultiplier, maximumRedeliveryDelay and useCollisionAvoidance.
> 6) Second message is redelivered after delay according to values of parameters *but also
according the value of the delay consumer of the previous message*, stored in message consumer.
For example, if last first message redelivery delay was x (computed at step 5), the current
delay of step 6 will be at backoffmultiplier * x (if used).
> 7) Again, next first message redelivery delay will be impacted by last second message
redelivery delay, etc.
> A message redelivery should not impacted by other messages redelivery delay and should
only be computed by the number of redeliveries.



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