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List:       activemq-dev
Subject:    [jira] Resolved: (AMQ-776) ConduitBridge can malfunction when first
From:       "Rob Davies (JIRA)" <jira () apache ! org>
Date:       2006-12-30 7:32:02
Message-ID: 32020324.1167463922822.JavaMail.root () brutus
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     [ https://issues.apache.org/activemq/browse/AMQ-776?page=all ]

Rob Davies resolved AMQ-776.
----------------------------

    Fix Version/s: 4.2.0
                       (was: 4.0.3)
       Resolution: Fixed

patch applied for associated issue: http://issues.apache.org/activemq/browse/AMQ-961

> ConduitBridge can malfunction when first of a set of consumers goes away
> ------------------------------------------------------------------------
> 
> Key: AMQ-776
> URL: https://issues.apache.org/activemq/browse/AMQ-776
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 4.0.1
> Reporter: Kevin Yaussy
> Assigned To: Rob Davies
> Priority: Critical
> Fix For: 4.2.0
> 
> Attachments: ConduitBridge.patch, DemandForwardingBridgeSupport.patch
> 
> 
> When the following scenario is followed, any of the subsequent consumers will stop \
> receiving messages.  I've reproduced this using the ConsumerTool, and ProducerTool \
> supplied in the example area of the distribution. +++++++++++++++++++++++
> Start Broker A
> Start Broker B
> Start Consumer 1, connecting to Broker B, consuming FOO
> Start Consumer 2, connecting to Broker B, consuming FOO
> Start Publisher, connecting to Broker A, publishing FOO
> Ctl-C out of Consumer 1
> Consumer 2 stops receiving messages
> +++++++++++++++++++
> Seems to me that ConduitBridge is supposed to track all consumers for a given \
> subscription, by way of DemandSubscription.  It is seeding DemandSubscription with \
> the originating consumer, but when subsequent consumers are added, the \
> ConduitBridge::addToAlreadyInterestedConsumers re-adds the original subscriber to \
> the DemandSubscription's map - so the map only ever has the original subscription. \
> I've attached a patch.  Hope the change is good.

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