Important Information
This section contains the latest information that is not contained in the core product documentation. This section covers the following topics:
Compatibility Issues
This section covers compatibility issues in Message Queue 4.0.
Interface Stability
Sun Java System Message Queue uses many interfaces that may change over time. Chapter 21 in Sun Java System Message Queue 3 2005Q4 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 may introduce changes that make your clients incompatible with that release. This information is provided now to allow you to prepare for these changes.
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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.
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3.5 and earlier brokers may no longer be able to operate in a cluster with newer brokers.
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In future releases, Message Queue clients may not be able to use JDK versions that are earlier than 1.3.
Documentation Updates for Message Queue 4.0
Other than this Release Notes document, Message Queue 4.0 includes only one new document: Sun Java™ System Message Queue 4.0 Developer’s Guide for JMX Clients.
The Message Queue documentation that was published for Message Queue 3.6 SP3, 2005Q4, is up to date with respect to the needs of Application Server 9 PE clients. This documentation set is available at the following location.
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