Scenarios from AMQDOC-2585:

• Non-transacted JMS producer with an outstanding ack from the broker
• Transacted JMS producer that has not committed
• Transacted JMS producer that has tried to commit but it is unknown if commit has succeeded

• Non-transacted JMS consumer that has received a message but not ack'd the message yet
• Transacted JMS consumer that has not committed
• Transacted JMS consumer that has tried to commit but it is unknown if the commit has succeeded