Sun Java System Application Server Platform Edition 8.1 2005Q2 Update 2 Upgrade and Migration Guide

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### Message Driven Beans

Application Server provides seamless Message Driven Support through the tight integration of Sun Java System Message Queue with the Application Server, providing a native, built-in JMS Service.

This installation provides Application Server with a JMS messaging system that supports any number of Application Server instances. Each server instance, by default, has an associated built-in JMS Service that supports all JMS clients running in the instance.

Both container-managed and bean-managed transactions, as defined in the Enterprise JavaBeans Specification, v2.0, are supported.

Message Driven Bean support in iPlanet Application Server was restricted to developers, and used many of the older proprietary APIs. Messaging services were provided by iPlanet Message Queue for Java 2.0. An LDAP directory was also required under iPlanet Application Server to configure the `Queue Connection Factory` object.

The `QueueConnectionFactory`, and other elements required to configure Message Driven Beans in Application Server are now specified in the `ejb-jar.xml` file.

For more information on the changes to deployment descriptors, see Migrating Deployment Descriptors For information on Message Driven Beans see Using Message-Driven Beans in Sun Java System Application Server Platform Edition 8.1 2005Q2 Update 2 Developer’s Guide.

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