Re: Network of brokers: consumers not synchronized

[jochenw <jo...@googlemail.com>]

Some news on that: in the meantime, we have switched to only using static
bridges in our project for connection of the mobile brokers to the back
office. Is much more stable now.

However, there is still some problem which shows up now and then: sometimes
the back office broker "forgets" to start the responder end of the
duplex="true" bridge. In this case there is no consumer on the respective
queues in the backoffice broker, an the network connector on the mobile
broker doesn't get an active bridge, although the connection is there (and
the duplex="false" bridge for the direction mobile->back office works
absolutely fine). Happens in one out of ~ 500 reconnections. I have tested
this by turning up and down the network interface in an endless loop on one
of the mobile target systems.

So there still seems to be some instability when building the duplex bridge,
even for static bridges. I have a "workaround" solution by monitoring the
mobile broker via JMX beans, checking whether the duplex network connector
has an active bridge when the connection is there. If not, the activemq-osgi
bundle is restarted, which heals the problem.

I'm not sure whether is makes sense to create a Jira issue for that.

Regards,
Jochen



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