[jboss-user] [EJB 3.0] New message: "@Serivce : Singelton EJB and reetrant calls"

Daniel Straub do-not-reply at jboss.com
Mon Feb 1 03:14:55 EST 2010

User development,

A new message was posted in the thread "@Serivce : Singelton EJB and reetrant calls":


Author  : Daniel Straub
Profile : http://community.jboss.org/people/dastraub

@Service means, there is only one instance of this EJB - ok.
EJB Spec. 4.7.11 says, the container must ensure that only one thread can be executing an ejb-instance (non reentrant instances).
If I use an @Service, does the container serials all calls to this EJB ? Or throws an javax.ejb.ConcurrentAccessEcxeption ?


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