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https://developer.jboss.org/thread/128369
Feb 16, 2007 · I've also read that using BMT with an MDB and expecting redelivery is an anti-pattern, and in most cases I can see that. However, I have a need to log (and commit) events to a database as they occur with the possibility of redelivering the message should processing fail at some point.
https://community.oracle.com/thread/370490
But it does not do the same redelivery for the bean managed transaction (BMT). From a lot of document, it's said if the runtimeexception is thrown from the onMessage of a bean managed transaction message driven bean, the message will be treated as not acknowledged and thus kept in the queue, the queue management will then try to redelivery it.
https://coderanch.com/t/444151/certification/MDB-Message-Redelivery-discard
When using BMT or CMT, if there is a system exception in the onMessage method, the message will be redelivered. If the bean uses BMT and sets the transaction to rollback, then the message is not redelivered. If the bean uses CMT (Required) and sets the transaction to rollback, then the message is redelivered.
https://www.theserverside.com/discussions/thread/41350.html
Jul 17, 2006 · With CMT, a commit or rollback will effectively acknowledge or not acknowledge the message, but with BMT the message will always be acknowledged. This is a subtle point but means with BMT that if the onMessage() doesn't return successfully, the message gets acknowledged anyway and redelivery won't occur.
https://coderanch.com/t/159725/certification/Transaction-MDB
In the case of BMT MDB, the Message that calls's the MDB CAN'T be part of the transaction, since the Bean Provider will start the transaction later. Therefore, the message CAN'T be redelivered …
https://docs.jboss.org/jbossmessaging/docs/usermanual-2.0.0.beta1/html/undelivered-messages.html
Delaying redelivery can often be useful in the case that clients regularly fail or rollback. Without a delayed redelivery, the system can get into a "thrashing" state, with delivery being attempted, the client rolling back, and delivery being re-attempted ad infinitum in quick succession, consuming valuable CPU and network resources.
https://flylib.com/books/en/4.336.1.205/1/
When designing an MDB to use transactions, you must decide whether the bean will demarcate transactions programmatically via the onMessage() method (Bean-Managed Transaction, or BMT, demarcation) or whether the EJB container will perform transaction demarcation (Container-Managed Transaction, or CMT, demarcation).
https://docs.oracle.com/cd/E13222_01/wls/docs81/ConsoleHelp/domain_jmsqueue_config_redelivery.html
JMS Queue --> Configuration --> Redelivery Tasks Related Topics Attributes. Overview . This tab defines the message redelivery configuration attributes for a JMS queue. After defining a JMS server, you can configure its queues.
https://stackoverflow.com/questions/3439330/jms-message-re-delivery-delay
JMS 2.0 Specification defines a "Delivery delay" where client can specify a delivery delay value in milliseconds for each message it sends. This value defines a message delivery time which is the sum of the message’s delivery delay and the GMT it is sent (for transacted sends, this is the time the client sends the message, not the time the transaction is committed).
http://www.artima.com/forums/flat.jsp?forum=121&thread=52941
Message acknowledgment and redelivery with message-driven beans: Posted: Jun 3, 2004 6:04 PM ... Moving on to BMT message-driven beans and things are not the same. Of course, it's the responsibility of the bean developer to create and start a transaction, but a side-effect of this is that the acknowledgment of the JMS message isn't contained ...
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