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From "Torsten Mielke (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-4000) Durable subscription not getting unregistered on networked broker
Date Wed, 29 Aug 2012 12:46:07 GMT

    [ https://issues.apache.org/jira/browse/AMQ-4000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13444017#comment-13444017
] 

Torsten Mielke commented on AMQ-4000:
-------------------------------------

org.apache.activemq.advisory.AdvisoryBroker does not override the method 
public void removeSubscription(ConnectionContext context, RemoveSubscriptionInfo info);

of class org.apache.activemq.broker.BrokerFilter.

Its the AdvisoryBroker that is responsible for creating and firing the advisory message to
inform other brokers in the network that a durable subscription got removed. 
So AdvisoryBroker needs to override method removeSubscription() accordingly. 

                
> Durable subscription not getting unregistered on networked broker
> -----------------------------------------------------------------
>
>                 Key: AMQ-4000
>                 URL: https://issues.apache.org/jira/browse/AMQ-4000
>             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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