HA Controller Swiflet: Preferred Active failback may hang with Network NIO Swiftlet when a new replication connection is processed while the prior replication connection's disconnect is in progress.
Network NIO Swiftlet: TCP Listeners aren't closed on HA failover so "Address already in use" exceptions may occur on startup.
Network NIO Swiftlet: CancelledKeyException may occur with many connections and are not properly handled (SelectTask terminates).
Queue Manager Swiftlet: Message viewer hangs if the value of a MapMessage entry is null (introduced in 9.1.0).
Configuration compatible with previous releases: 4.5.0 (routerconfig.xml will be converted on the first startup)
Class compatible with previous releases: 5.1.0 (see release notes of release 5.1.0).
Message compatible with previous releases: 4.0.0
Store compatible with previous releases: 4.0.0
Protocol compatible with previous releases: 4.0.0
How to Upgrade
SwiftMQ 9.2.1 defines two AMQP listeners on port 5672 (plain) and 5671 (SSL/TLS) to be able to run AMQP out of the box. They will also be added as part of the rolling upgrade process as specified on the links below. If you don't need these listeners, you may either delete them *after* the upgrade or use the "NOAMQP" option on the new release *during* the upgrade on the first start of the router start script of the new release, e.g:
The option work on HA and non-HA releases but only on the very first start where the config files will be upgraded.