[jira] [Work logged] (ARTEMIS-3093) Message Order broken with Core Protocol when rolling back transactions

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARTEMIS-3093?focusedWorklogId=555831&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-555831 ]

ASF GitHub Bot logged work on ARTEMIS-3093:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 22/Feb/21 14:37
            Start Date: 22/Feb/21 14:37
    Worklog Time Spent: 10m 
      Work Description: clebertsuconic opened a new pull request #3463:
URL: https://github.com/apache/activemq-artemis/pull/3463


   


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Issue Time Tracking
-------------------

            Worklog Id:     (was: 555831)
    Remaining Estimate: 0h
            Time Spent: 10m

> Message Order broken with Core Protocol when rolling back transactions
> ----------------------------------------------------------------------
>
>                 Key: ARTEMIS-3093
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-3093
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 2.16.0
>            Reporter: John Behm
>            Priority: Critical
>              Labels: artemis, bug, order, queue
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> ARTEMIS-2458
> This issue still persists.
>  
> Consuming from a queue with two threads with distinct sessions while rolling back directly in each thread when receiving a message breaks the whole order of the queue. Even with delays of 500ms.
> The queue/addresse is configured as ANYCAST queue.
>  
> (In 2.10 this issue persists as well.)
> Basic Test setup is like this:
> You have a non-clustered single instance of Artemis.
> You do have a redelivery-delay of 0.
> You fill an anycast queue with 1000/10000 ordered messages.
> You disconnect your producer and start the two or more consumers that try to fetch all of the messages from that exact same queue, but can only get one, as you always roll back the session.
> Each time any of those two(or more) consumers receives a message, they rollback the session instantly and sleep 0 to 500 ms.
> After rolling back every time you receive a message on any of your consumer threads, you expect to always get the message with the content "0".
> After like ten iterations of this ping-pong rollback between your two consumer threads, you start to get completely random messages, not even within the range of 0 through 10, but completely arbitrary ones from within the queue.
> You disconnect your consumers and try dumping the queue. You get a completely unordered message queue.



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