Hi We have been working on with ActiveMQ on a custom content based router. We first try to use Camel, but since the routes changed very often (the routing instructions) then we decided to implement it using standard jms code ,and deploying it in an embedded broker.
The Content Based Router does the following: reads from a channel, and depending on the message it redelivers it to another channel. Everything was working fine in my machine, and when we deployed to a staging server, we encountered some problems. The problem is in essence the following: the message gets delivered to the corresponding channel by the content based Router, but our client applications (the ones listening to these channels) cannot read those messages, even though we can see the messages in the queues (using the admin web console). After much reading, I decided to "clone the message" that is copy the incoming message in the content router, and send the new message. And somehow it resolved the problem. Today, I rolled back the code, to replicate the issue and could not replicated. Strangely the application worked and the clients were reading the messages. I don't know what is happening. I am really concerned that this problem may occur again in production and we will not be able to correct it, since we have not identified the source of the problem. Is there a problem for ActiveMQ if I redeliver a message? Or should I always clone it and send it again? Thanks, -- Andres Rangel Sw Engineer Moniker.com
