JBossESB - JBossESBEIP - Dead Letter Service
The Dead Letter Service (DLS) has a category="JBossESB-Internal" and name="DeadLetterService", and is a standard service to which message will be routed when delivery to the intended destination fails.
By default the DLS is configured to store the message in the Message Store, with category 'DLQ', status 'undelivered'.
The Dead Letter Service is confgured in the jbossesb.esb archive, which contains services used by the JBossESB itself.
can be configured to for instance deliver the message to a DLQ JMS Queue.