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https://issues.apache.org/jira/browse/ARTEMIS-2007?focusedWorklogId=650115&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-650115
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ASF GitHub Bot logged work on ARTEMIS-2007:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 13/Sep/21 16:33
Start Date: 13/Sep/21 16:33
Worklog Time Spent: 10m
Work Description: gemmellr commented on a change in pull request #3742:
URL: https://github.com/apache/activemq-artemis/pull/3742#discussion_r707500849
##########
File path:
artemis-server/src/main/java/org/apache/activemq/artemis/core/server/impl/QueueImpl.java
##########
@@ -3082,9 +3055,7 @@ private boolean deliver() {
numNoMatch = 0;
numAttempts = 0;
- if (consumer != redistributor) {
- ref = handleMessageGroup(ref, consumer, groupConsumer,
groupID);
- }
+ ref = handleMessageGroup(ref, consumer, groupConsumer,
groupID);
Review comment:
Seems the incorrect typed check went in with the previous commit in
place of a null check looking to similarly protect it:
https://github.com/apache/activemq-artemis/commit/224b89810d023e3ee73b014a48585da8f6048237#diff-fc4a9a0dc01f79ecc1435246dc85446fa57d6d04e1dffed53c522d8c145623fdR3085
But yep, didnt know that the redistributor handle check returns NO_MATCH (it
only returns 'busy' if not active), so it never got to either of those old
checks anyway (though by returning 'NO_MATCH' it will reset the consumers
iterator, meaning any consumer after it in the list isnt getting tried until it
goes away...).
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Issue Time Tracking
-------------------
Worklog Id: (was: 650115)
Time Spent: 12h (was: 11h 50m)
> 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
> Fix For: 2.19.0
>
> Attachments: AMQ2007Test.java, artemis-2007.zip
>
> Time Spent: 12h
> 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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