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From dooart <>
Subject Re: ActiveMQ, Clustered JBoss and JDBC Master/Slave
Date Fri, 01 Sep 2006 23:29:21 GMT

Oops... I forgot to attach the configuration files: 

Thiago Duarte

dooart wrote:
> I am trying to setup an environment with a clustered JBoss and ActiveMQ in
> JDBC Master/Slave mode. I'm going to use JMS in our application to help in
> some issues with clustering, like indexing and local files
> synchronization.
> I have only two machines to run the entire environment and I want to run
> an embedded ActiveMQ broker per application server to help in application
> maintenance, so the final environment will be something like this:
> At first it seemed to be working fine, but when I started to test the
> behaviour of the environment shutting down the nodes and restarting them,
> I started to have some problems with message duplication and lost
> messages. Here are the results of some tests I made (errors are marked
> with red color):
> ...
> I've run the first test with MySQL 5.0 and the second test with MSSQL
> Server 2000 as datasources for JDBC Master/Slave, but both configurations
> failed as you can see at the two tables above. I'm almost sure that the
> steps 4 and 5 from the second test failed not because of MSSQL, but
> because the instability of the entire environment.
> Does anyone have a clue of what can be wrong? I don't know if this helps,
> but I've attached my configuration files here.
> I'm using JBoss 4.0.4 GA and ActiveMQ 4.1 (I was using 4.0.1 before, but
> it didn't work too).
> Thanks,
> Thiago Duarte

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