Enabling MDB Listener Threads Pooling

(Doc ID 1052792.1)

Last updated on NOVEMBER 05, 2016

Applies to:

Oracle Containers for J2EE - Version: to - Release: AS10gR3 to AS10gR3
Information in this document applies to any platform.


A J2EE application consisting of message-driven bean is deployed into OC4J. The message-driven bean consumes JMS message via Resource Adapter based on Oracle Database persistence provider.

Depending on the JMS messages load, the message-driven bean is configured so that the MDB listener threads number can have a value between MinListenerThreads (mininum of listener threads), MaxListenerThreads (maximum of listener threads). However, the number of listener threads should not decrease below MinListenerThreads when there is a low message activity.

This note shows how to enable listener threads pooling.


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