Documentation Updates in Message Queue 4.3

This section contains information regarding Message Queue 4.2 documentation updates:

• Compatibility Issues

• Changes in the Message Queue 4.3 Documentation Set

Compatibility Issues

This section covers compatibility issues regarding Message Queue 4.3.

Interface Stability

Sun Java System Message Queue uses many interfaces that may change over time. Appendix B, Stability of Message Queue Interfaces, in Sun Java System Message Queue 4.3 Administration Guide classifies the interfaces according to their stability. The more stable an interface, the less likely it is to change in subsequent versions of the product.

Issues Related to the Next Major Release of Message Queue

The next major release of Message Queue might introduce changes that make current Message Queue client appliations incompatible with that release. This information is provided in the interest of full disclosure.

• The locations of individual files installed as part of Sun Java System Message Queue might change. This could break existing applications that depend on the current location of certain Message Queue files.

• Message Queue 3.5 and earlier brokers might no longer be able to operate in a cluster with newer brokers.

• In future releases, Message Queue clients might not be able to use JDK versions that are earlier than 1.5.

• In future releases, Message Queue clients might not be able to use JDK versions that are earlier than 1.6.

Changes in the Message Queue 4.3 Documentation Set

The Message Queue 4.3 documentation set includes updates to the Message Queue 4.2 documentation set as described below:

Technical Overview

The Sun Java System Message Queue 4.3 Technical Overview reflects new features in Message Queue 4.3.

Installation and Upgrade Information

The Sun Java System Message Queue 4.3 Installation Guide includes installation of Message Queue on the AIX platform.

Administration Guide

The Sun Java System Message Queue 4.3 Administration Guide includes minor bug fixes, support for the AIX platform, and revised procedures for managing broker clusters and converting conventional clusters to enhanced clusters.

Developer's Guide for Java Clients

The Sun Java System Message Queue 4.3 Developer’s Guide for Java Clients reflects new version numbers, but otherwise has not been revised.

Developer’s Guide for C Clients

The Sun Java System Message Queue 4.3 Developer’s Guide for C Clients includes information on building C client applications on the AIX platform.

Developer's Guide for JMX Clients

The Sun Java System Message Queue 4.3 Developer’s Guide for JMX Clients includes enhancements in the JMX API.