Apache ActiveMQ ™ -- 5.9 Migration Guide
Overview > Download > ActiveMQ 5.9.0 Release > 5.9 Migration Guide
There are some changes in 5.9 that may require user intervention
- Schema change to JDBC Persistence Adapter. XID column type change.
- If you use XA transactions you need to ensure there are no XA transactions pending completion before you upgrade. Some mode detail in AMQ-4628