MDB Failure Handling
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Overview
This article addresses failure handling in an MDB context. It was written while experimenting with EAP 6.4 and a HornetQ-based messaging subsystem.
Failure Handling Specification
JSR 318 Enterprise JavaBeans Version 3.1 EJB Core Contract and Requirements, Section 5.4.18 "Dealing with Exceptions" mentions that MDBs should not throw RuntimeExceptions. If a RuntimeExceptions occurs, the container will transition the MDB in the "does not exist" state. The message will not be acknowledged, and if messages arrive to the destination, the container can delegate the message to another MDB instance.