I presume you might have set “Suspend and Retry Later” transient error property for the WM MessaginfgTrigger which uses No-transaction JMS connection.
If so, it’s quite obvious that the IS will recover the JMS messages back to the JMS provider.
Not to get confused that the TRANSACTIONS are rolled back in case of transacted JMS sessions whilst the non-transacted JMS sessions will not be rolled back.
I suggest you go-thru the JMS documentation for more details.
-Cheers
#webMethods#Universal-Messaging-Broker#Integration-Server-and-ESB