Tim Coninx [http://community.jboss.org/people/timconinxrvp] created the 
discussion

"message passing through underlying db"

To view the discussion, visit: http://community.jboss.org/message/588347#588347

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Hello,

We are using a system where three jboss servers with the same application are 
connected to the same db. The servers are not clustered, but rather serve 
different audiences.

Currently we are having a problem with our jms subsystem because a queue fills 
up too fast because messages are causing exceptions. Normally each server will 
process its own messages, but because we sometimes have to restart all servers 
(while a queue is still filled), they suddenly all three start processing all 
messages that are (at that point) in the db at the same time, meaning that the 
number of messages failing triples.

Now we want to have a dedicated (fourth) server to handle all messages. That 
one will be the only one with activated message driven beans. The messages will 
still be published however by the three other servers.

My question: is this possible, and how ? Because normally a message published 
by one server will never be processed by another server on the same db (unless 
the message is left in the db and the server restarted). Passing the messages 
through the messagesucker seems a bit farfetched, as the messages are already 
in the correct tables.

We're also not (directly) looking for clustering the servers... although this 
might become the first step

I accept 'rtfm' answers, but I'd like a general chapter to read then  :) 

Thanks in advance

Tim
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