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Message Driven Bean (MDB) Not Processing the Messages Concurrently from a JMS Queue (Doc ID 2634884.1)

Last updated on FEBRUARY 20, 2024

Applies to:

Oracle WebLogic Server - Version 10.3.6 and later
Information in this document applies to any platform.


A Message Driven Bean (MDB) with max-beans-in-free-pool element set as 2 is unable to process messages concurrently from JMS Queue. 

Use Case

1. Create a JMS Queue

2. Deploy an MDB which consumes messages from the JMS Queue with max-beans-in-free-pool as 2

3. Put 2 messages on the Queue M1(large size message) followed by M2(small size message)

4. It was observed that M2 didn't process until M1 completes.



Deploy a Message Driven Bean (MDB) with max-beans-in-free-pool value as 2 that consumes messages from a Queue.


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