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https://issues.apache.org/jira/browse/ARTEMIS-2007?focusedWorklogId=645178&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-645178
]
ASF GitHub Bot logged work on ARTEMIS-2007:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 01/Sep/21 09:47
Start Date: 01/Sep/21 09:47
Worklog Time Spent: 10m
Work Description: gemmellr commented on a change in pull request #3635:
URL: https://github.com/apache/activemq-artemis/pull/3635#discussion_r699532599
##########
File path:
artemis-server/src/main/java/org/apache/activemq/artemis/core/server/impl/QueueImpl.java
##########
@@ -1567,7 +1566,14 @@ protected void finalize() throws Throwable {
@Override
public int getConsumerCount() {
- return consumers.size();
+ // we don't want to count the redistributor, it is an internal transient
entry in the consumer list
+ // check for presence before checking consumers to align with use of
set()
+ final boolean compensateForPresenceOfRedistributor =
redistributorUpdater.get(this) != null;
+ int size = consumers.size();
+ if (size > 0 && compensateForPresenceOfRedistributor) {
+ size--;
+ }
+ return size;
Review comment:
Just to be clear, I was suggesting adding another method than size. I
would expect size to continue to report it as being there (like it does just
now) and only things that care about the distinction to call the new one.
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Issue Time Tracking
-------------------
Worklog Id: (was: 645178)
Time Spent: 6.5h (was: 6h 20m)
> 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: 6.5h
> 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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