How to limit the number of MDB instances listening to a Jboss JMS queue

Question

I\'m having a problem with the following setup:

A Java application send email msg to a JMS queue, then an MDB listening to the queue get the email msg with the onMessage

Answer 1

Try an additional acitivation config property:

@ActivationConfigProperty( propertyName = "maxSession", propertyValue = "someNumber")

where someNumber is the maximum number of instances you want.