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Posted to issues@activemq.apache.org by "Timothy A. Bish (Jira)" <ji...@apache.org> on 2025/12/01 16:09:00 UTC
[jira] [Resolved] (ARTEMIS-5783) MQTT5 Shared subscription does not receive subscription ID
[ https://issues.apache.org/jira/browse/ARTEMIS-5783?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Timothy A. Bish resolved ARTEMIS-5783.
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Fix Version/s: 2.45.0
Resolution: Fixed
> MQTT5 Shared subscription does not receive subscription ID
> ----------------------------------------------------------
>
> Key: ARTEMIS-5783
> URL: https://issues.apache.org/jira/browse/ARTEMIS-5783
> Project: Artemis
> Issue Type: Bug
> Components: MQTT
> Affects Versions: 2.44.0
> Environment: ActiveMQ Artemis 2.44.0 running in a docker container on Fedora Linux 43.
> Reporter: David Smith
> Assignee: Justin Bertram
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 2.45.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> When creating a shared subscription with MQTT5 e.g. {{$share/group/testtopic/1}} and passing a numeric subscription ID (e.g. {{100}}) the subscription ID is not sent to the subscriber when a message is sent to the topic {{testtopic/1}}.
> If a non-shared subscription is made to {{testtopic/1}} then the numeric subscription ID is received as expected.
> This missing ID makes it impossible to match the incoming message to the correct handler.
> The code has been tested with Mosquitto, RabbitMQ MQTT, Emqx and HiveMQ and works as expected.
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