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From Christian Posta <christian.po...@gmail.com>
Subject Re: Messages lost when a broker forward messages to another broker
Date Fri, 29 Mar 2013 16:24:35 GMT
Are the messages that are supposed to be forwarded sent persistent by the
original producer?


On Thu, Mar 28, 2013 at 5:16 AM, miguelhenley <mhenley@datamag.com.br>wrote:

> I have configurated two brokers in a Wide Area Network: Brokers A and B.
> All
> messages sent to a queue in Broker A need to be forward to Broker B in
> order
> to be consumed by a consumer connected in Broker B. Broker A and Broker B
> are located in different geographic locations.
>
> This works fine but, for testing purposes, I created a producer to send a
> lot of messages to Broker A, let's say 1000 messages. I can see, via web
> console, the messages gradually arriving in Broker B. Before all messages
> arrive in Broker B, if I suddenly break the connection (let's say stopping
> Broker B) and, after that, restart broker B, I can see that the forward
> process continues - I mean Broker B continues to receive the messages.
> Unfortunatelly, some messages are lost (3 or 4 messages, for example). I
> know this beacause for each message sent to the queue by the proceducer, I
> have tagged it with a sequential number and put the sequence as a property
> in order to check it on the consumer side.
>
> I repeat this task sometimes to confirm and, unfortunatelly I lost some
> messages if I break a connection in broker B during the forward action.
>
> On the Broker A side, I have the following configuration inside the XML
> file:
>
> <networkConnectors>
>     <networkConnector
> uri=&quot;static:(tcp://&lt;&lt;IP-of-broker-B>>:61616)">
>         <staticallyIncludedDestinations>
>             <queue physicalName="MyQueue"/>
>         </staticallyIncludedDestinations>
>     </networkConnector>
> </networkConnectors>
>
> Do I have to configure anything else? I think that when the messages are
> forward, a transaction mechanism (between the brokers A and B) must be in
> place in order to avoid missing messages.
>
> Any help is much appreciate to solve this problem.
>
> Thanks,
> Miguel
>
>
>
>
> --
> View this message in context:
> http://activemq.2283324.n4.nabble.com/Messages-lost-when-a-broker-forward-messages-to-another-broker-tp4665250.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>



-- 
*Christian Posta*
http://www.christianposta.com/blog
twitter: @christianposta

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