The clients should negotiate the correct open-wire (protocol version) so in theory the broker will be backward compatible with older clients. Just make sure the activemq-openwire-legacy jar is on the classpath (should be by default).
Of course I would test this out to make sure :) On Mon, Nov 4, 2013 at 10:20 AM, Ned Wolpert <ned.wolp...@imemories.com> wrote: > Folks- > > I have a 5.3 installation that we're using, and I have 2 questions for it: > > 1) We have prefetch set to 1 for all of the message consumers on one queue, > where message handling is slow. But it still seems like messages aren't > really 'round robin' to the next available message consumer. I'll see a few > consumers are free but messages are waiting around. Is there a > configuration that can help? (I should note that the server has been > running consistently for 9 months and it seems to be getting worse.... > would a restart help?) > > 2) We are looking to upgrade to 5.9. I haven't started the process of > testing, but I wanted to see if this is a case where the 5.3 clients need > to be upgraded at the same time as the server, or if the clients can be > rolled over a few weeks to 5.9 after the server gets updated? > > Thanks! > > -- > Virtually, Ned Wolpert > > "Settle thy studies, Faustus, and begin..." --Marlowe -- Christian Posta http://www.christianposta.com/blog twitter: @christianposta
