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Posted to issues@activemq.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/09/01 08:11:00 UTC

[jira] [Work logged] (ARTEMIS-2007) Messages not redistributed to consumers with matching filters when local non matching consumers are present

     [ https://issues.apache.org/jira/browse/ARTEMIS-2007?focusedWorklogId=644812&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-644812 ]

ASF GitHub Bot logged work on ARTEMIS-2007:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 01/Sep/21 08:10
            Start Date: 01/Sep/21 08:10
    Worklog Time Spent: 10m 
      Work Description: gtully commented on pull request #3635:
URL: https://github.com/apache/activemq-artemis/pull/3635#issuecomment-910046508


   b/c the redistributor must now coexist with other consumers, it makes sense to treat it as one.


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

    Worklog Id:     (was: 644812)
    Time Spent: 5h 40m  (was: 5.5h)

> Messages not redistributed to consumers with matching filters when local non matching consumers are present
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: ARTEMIS-2007
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-2007
>             Project: ActiveMQ Artemis
>          Issue Type: Improvement
>          Components: AMQP, Broker
>    Affects Versions: 2.6.3
>            Reporter: Sebastian T
>            Assignee: Gary Tully
>            Priority: Major
>         Attachments: AMQ2007Test.java, artemis-2007.zip
>
>          Time Spent: 5h 40m
>  Remaining Estimate: 0h
>
> We are experiencing the following issue:
> # We configure an Artemis cluster with ON_DEMAND message loadbalacing and message redistribution enabled.
> # We then connect a single consumer to *queues.queue1* on node1 that has a message filter that does NOT match a given message.
> # Then we send a message to *queues.queue1* on node1.
> # Then we connect a consumer to *queues.queue1* on node2 that has a filter matching the message we sent.
> We now would expect that the message on node1 currently not having any matching consumers on node1 to be forwarded or redistributed to node2 where a matching consumer exists.
> However that is not happening the consumer on node2 does not receive the message and in our case the message on node1 expires after some time despite a matching consumer is connected to the cluster.
> In the described scenario when we disconnect the consumer on node1 (that does not match the message anyway) the message is redistributed to node2 and consumed by the matching consumer.
> If no consumer was connected to node1, a message is sent to node1 and only then a matching consumer is connected to node2 the message is forwarded to node2 as expected.
> So I guess the core problem is that message redistribution of messages on node1 is not triggered when a matching consumer is connected to node2 while a *any* consumer already exists on node1 no matter if it actually matches the given message.
> I attached a maven test case that illustrates the issue.



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