[jboss-as7-dev] Help on service controller lifecycles

Hi guys, there are intermittent failures when updating a connection factory attributes in messaging subsystem[1] and I tracked it down to a problem of service states To make a story short, when we update a connection factory, we recreate its JNDI binding by doing a unbind() followed by a bind() on the AS7BindingRegistry[2]. To bind a CF, we install a BindingService into the controller and set its mode to ACTIVE. To unbind a CF, we set its ServiceController's mode to REMOVE. However, it occurs that when doing a unbind() followed by a bind(), we may try to install a BindingService when it is not uninstalled yet (it's in the DOWN/REMOVING) state (removing the Thread.sleep() in [3] to highlight the issue) I fix the issue locally by checking in bind() whether the service controller exists and if it is DOWN/REMOVING wait until it is REMOVED. But I don't like sleeping until a service controller state changes. I am sure there is a more idiomatic/elegant way to do this. Does someone have pointers to show me the best way to do this? thanks, jeff [1] https://issues.jboss.org/browse/JBPAPP-8184 [2] https://github.com/jmesnil/jboss-as/blob/JBPAPP-8184_connection_factory_f... [3] https://github.com/jmesnil/jboss-as/blob/JBPAPP-8184_connection_factory_f... -- Jeff Mesnil JBoss, a division of Red Hat http://jmesnil.net/