It seems that it is actually a lease / renew problem for MDB.
After look into the source code of JBoss remoting, it seems that the Messaging
simply removes the client connection endpoint when it is notified by the jboss
remoting.Lease class. The Lease class has a timer that checks if the client has
renewed its lease or not. If not, it considers it as a dead connection and
notifies the Messaging callback listener:
private class LeaseTimerTask extends TimerTask
| {
|
| protected boolean running = true;
|
| /**
| * The action to be performed by this timer task.
| */
| public void execute()
| {
| if(running)
| {
| if(leaseUpdated)
| {
| leaseUpdated = false;
| leaseTimer.schedule(this, leaseWindow);
| }
| else
| {
| stopLease();
| notifier.connectionLost(locatorURL, clientSessionId,
requestPayload);
| }
| }
| }
| }
|
My question is then: how to configure Messaging to auto renew its connection
lease on a deployed MDB? I looked into the
jboss-messaging.sar\remoting-service.xml and there is a leasePeriod setting. I
am not sure how to change it, as MDB would require an infinite lease period
then.
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