[ https://issues.apache.org/activemq/browse/AMQ-1029?page=all ]
Jonas Lim resolved AMQ-1029.
----------------------------
Fix Version/s: 4.1.2
4.2.0
Resolution: Fixed
Thanks!
patch applied to :
trunk : 477570
4.1 branch: 477571
Btw, I just added a bit of code to clear the transportConnectors list before
replacing it with the started instances :)
ie. .....
this.transportConnectors.clear();
setTransportConnectors(al);
....
> TransportConnector get duplicated when used with JMX
> ----------------------------------------------------
>
> Key: AMQ-1029
> URL: https://issues.apache.org/activemq/browse/AMQ-1029
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 4.0.2
> Environment: Linux, ActiveMQ broker in a custom servlet, running on
> Tomcat 5.5.
> Reporter: Andreas Mack
> Priority: Minor
> Fix For: 4.1.2, 4.2.0
>
> Attachments: tc-jmx-patch
>
>
> The BrokerService keeps the configured TransportConnectors in a list called
> transportConnectors. In startAllConnectors, the list is traversed and each
> connector is started through startTransportConnector(). This method checks if
> JMX is configured, and if so, it called connector.asManagedConnector() which
> returns a new instance of a TransportConnector. This instance is started.
> But in the transportConnectors list of BrokerService, the old, unstarted
> object is still existent. Since a TransportConnector starts a
> TransportServiceDetector thread, the old, unstarted instance contains a TSD
> that is not active. But the started TSD isn't referenced anymore.
> On shutdown, the old, unstarted TC and subsequently TSD are stopped. The
> "lost" instance can't be touched anymore.
> My patch does this: During spin-up, startTransportConnector() returns the
> instance that is started. The started instances are collected in an
> arraylist, this list replaces transportConnectors after startup.
> Thanks to jstrachan for being patient on irc.
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