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18.2.1. The EJB application configuration

In the EJB application, you need to modify the jboss.xml descriptor file for each stateful session bean and add the <clustered> tag.


In the bean configuration, only the <clustered> tag is mandatory to indicate that the bean works in a cluster. The <cluster-config> element is optional and its default attribute values are indicated in the sample configuration above.

The <session-state-manager-jndi-name> tag is used to give the JNDI name of the HASessionState service to be used by this bean.

The description of the remaining tags is identical to the one for stateless session bean. Actions on the clustered stateful session bean's home interface are by default load-balanced, round-robin. Once the bean's remote stub is available to the client, calls will not be load-balanced round-robin any more and will stay "sticky" to the first node in the list.