Message-Driven Beans 3.1
This feature enables the use of Message-Driven Enterprise JavaBeans. MDBs allow asynchronous processing of messages within a Java EE component.
Command Line Install
To install the feature from the command line, type:
bin/installUtility install mdb-3.1
If you are installing into 126.96.36.199 or earlier and the feature supports that version, use the featureManager command, for example:
bin/featureManager install mdb-3.1 --when-file-exists=ignore
To use the feature at runtime add the following to your server.xml file