Compatibility Issues

This section covers compatibility issues in Message Queue 3.7 UR1.

Interface Stability

Message Queue uses many interfaces that could change over time. Appendix B, Stability of Message Queue Interfaces, in Sun Java System Message Queue 3.7 UR1 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 your clients incompatible with that release. This information is provided now to help you to prepare for these changes.

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

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

• In future releases Message Queue clients may not be able to use JDK versions that are earlier than 1.3.