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From Rob Davies <rajdav...@gmail.com>
Subject Re: Message loss in Network of Brokers with Duplex Connections
Date Wed, 16 Apr 2008 17:35:11 GMT

On 16 Apr 2008, at 18:23, Cleveland, Seth wrote:

> With version activemq (FUSE Message Broker - Version 5.0.0.9) I see  
> data
> loss with network of brokers and duplex connections.
>
>
>
> I have a brokers running on three machines A, B, and C.  The brokers  
> are
> connected as follows, A -> B and A -> C.  In addition, duplex is  
> true on
> both connections.  I have a producer for a queue on machine A and
> consumers for that queue on both B and C.  When I send a few hundred
> messages through the producer, I find that some percentage (roughly
> 10-20%) of the messages are consumed by the consumers on B or C.  And
> the rest have disappeared.
>
>
>
> Looking at the queues in Jconsole, it appears the lost messages bounce
> between B and C through the duplex connections until the networkTTL  
> goes
> to zero on the message.
>
>
>
> I have tried a combination of dynamicOnly and conduitSubscriptions
> without success.
>
>
>
> Is this kind of configuration expected to work in activemq?
>
> If so, what's the right way to configure this?
>
>
>
> Thanks,
>
> Seth
>
>
>

Yes this should work - though it seems that the networkTTL should be 1  
for this configuration ?



cheers,

Rob

http://open.iona.com/ -Enterprise Open Integration
http://rajdavies.blogspot.com/




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