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From "Bryan Shaw (JIRA)" <j...@apache.org>
Subject [jira] Issue Comment Edited: (AMQ-1845) Message loss in network of brokers when network connection break
Date Thu, 17 Jul 2008 10:24:03 GMT

    [ https://issues.apache.org/activemq/browse/AMQ-1845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=44181#action_44181
] 

silverhoof edited comment on AMQ-1845 at 7/17/08 3:23 AM:
----------------------------------------------------------

In this senario broker B have dynamic IP address while broker A have fixed IP address.
So the duplex network connector are used to connenct from broker B to broker A.

I have tested with a different topology. Two brokers connecting each other using none duplex
connection on both side.
The message loss situation does not change.

This means activemq can't provide reliable message delivery when doing store and forward style
message transfer. It is hugh!
Please resolve this issue ASAP.

      was (Author: silverhoof):
    In this senario broker B have dynamic IP address while broker A have fixed IP address.
So the duplex network connector are used to connenct from broker B to broker A.

  
> Message loss in network of brokers when network connection break
> ----------------------------------------------------------------
>
>                 Key: AMQ-1845
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1845
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.1.0
>         Environment: Two brokers connected via TCP with one persistent distributed queue
and a producer and a consumer on each broker.
>            Reporter: Bryan Shaw
>
> Producer on broker A send 2500 message on the distributed queue at broker A.
> Producer B starts to receive message from distributed queue on broker B.
> During the receiving process, the network between these two brokers down and later brought
up again.
> In this senario, we found that some messages are lost. 
> It seems the broker A are sending message to broker B when the network is down and these
messages are removed from queue in broker A but never received by broker B which causing message
loss.
> Is this a bug or a configuration problem? 
> I thought the configuration like this is the store/forward pattern which should ensure
the message reliability in an unstable network.

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