Looks like we should start the embedded broker async to avoid hanging the Jboss startup.
I created issue: https://issues.apache.org/activemq/browse/AMQ-1519 to track. On Nov 12, 2007 12:07 PM, James Strachan <[EMAIL PROTECTED]> wrote: > On 11/11/2007, ikbenben <[EMAIL PROTECTED]> wrote: > > > > hey all, > > > > i've got a question regarding the behaviour of using the > > jdbcPersistenceAdaptor. i have deployed ActiveMQ into a clustered JBoss > > 4.0.5 environment. I basically have 2 JBoss servers, each of which has the > > ActiveMQ RAR deployed. I've attached the broker xml file for reference: > > http://www.nabble.com/file/p13696937/broker.xml broker.xml > > > > When i start up the JBoss servers, the first server comes up correctly but > > the second jboss instance hangs during start up while it is trying to get a > > lock on the database (activemq). when i shut down server one, the second > > instance continues and finishes the start up. is this how it should behave? > > Yes - the first broker to start is the master, it locks the database - > the others are slaves. > > http://activemq.apache.org/jdbc-master-slave.html > > If you don't want the brokers to be a master/slave cluster, then just > use a different database for each broker; though then you probably > will want to network your brokers together to make a store and forward > network. > > > > the reason i'm asking was i intended to deploy a EAR file in the jboss > > instance on each server which would use activemq tp send messages to other > > applications. however, if the second instance doesn't come up ever then > > this won't work as i need to ensure i have clustering working on the EAR > > level. > > So either run your master/slave brokers separately to your jboss > servers (e.g. running the bin/activemq command) or try figure out how > to do an async start in jboss, or run the brokers in separate jboss > servers? Note that the RAR can connect to a remote broker - it doesn't > need to boot up an ActiveMQ broker > > -- > James > ------- > http://macstrac.blogspot.com/ > > Open Source SOA > http://open.iona.com > -- Regards, Hiram Blog: http://hiramchirino.com Open Source SOA http://open.iona.com