You should be able to delegate to another singleton in your mdb. Dependson would work then Le 7 mars 2015 20:31, "Matej" <[email protected]> a écrit :
> Hi Romain. Yes we have also @Startup annoatation. > > BR > > MAtej > > 2015-03-07 13:57 GMT+01:00 Romain Manni-Bucau <[email protected]>: > > > Hi > > > > Concurrency should be fine. Is singleton @Startup? > > Le 7 mars 2015 12:53, "Matej" <[email protected]> a écrit : > > > > > Hi everybody. > > > > > > We have an annoying problem on our production system. We have an > > > Configuration Singleton which reads config things from DB. Then in one > > MDB > > > we inject this Singleton to control operation based on configs. Our > > problem > > > is that the system is quite heavely loadded and while the system > startups > > > already MDB recievs onMessage events while the Singleton still > > initliazes. > > > Which produces some NPEs and system doesn't boot. > > > > > > The depneds on annotation seems not to help. We are doing BEAN > > conncurency > > > management could this be the issue? And the Singleton has an > > Postconstruct > > > annotation. > > > > > > Anyone has any pattern or tips how to handle this type of scenario. > > > > > > BR > > > > > > Matej > > > > > >
