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From "Gary Tully (JIRA)" <>
Subject [jira] [Commented] (AMQ-4000) Durable subscription not getting unregistered on networked broker
Date Fri, 15 Feb 2013 11:25:12 GMT


Gary Tully commented on AMQ-4000:

@Christian looking at that fix i think it may be may be missing the conduit nature if durable
subs. So with two durable subs and one unsub, i think we will loose the bridged sub. Maybe
just checkup on that. Not sure if there are failing tests that will show that.
but my thought is that the conduit durables need to be reference counted w.r.t to durable
unsubscribes vs disconnects.
> Durable subscription not getting unregistered on networked broker
> -----------------------------------------------------------------
>                 Key: AMQ-4000
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.6.0
>         Environment: network of brokers, durable topic subscriptions.
>            Reporter: Torsten Mielke
>              Labels: durable_subscription, networks
>         Attachments: JUnitTest.patch
> In a network of two brokers, a durable subscription is correctly propagated across to
the remote broker. However when the consumer unsubscribes from the durable subscription again,
it is only removed on the local broker but not on the remote broker. The remote broker keeps
its durable subscription alive.
> As a consequence messages sent to the topic destination on the remote broker for which
the durable subscriptions existed, are passed on to the local broker, although there is no
active subscription on the local broker. The local broker will discard these msgs but unnecessary
traffic has already occurred on the network bridge.

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