i'm using jboss4.2 , running and MDB (Message Driven Bean) specifially message-inflow-driven-bean
i have IBM MQ .
i have configured bridge between MQ and MDB running in JBOSS using MQ resource adapter on JBoss .
i have followed this link for configuring http://www.ibm.com/developerworks/websphere/library/techarticles/0710_ritchie/0710_ritchie.html
i'm able to recive messages at MDB from MQ asynchronously and it is working fine .
By default MDB exhibits concurrency .
now my requirement is , i need to control the number of MDB istances , i want single instance read the messages .
i have tried by editing standard jboss.xml at container configuration message-inflow-driven-bean at the max instances tag ,
still it is exhibiting concurrency .
then i have trail with standard MDB container config setting ,i made them as
still my MDB is exhibiting concurrency .
how can i control number of instances of my MDB .