Stateless Session EJB: Difference between revisions
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Revision as of 16:40, 23 March 2017
Internal
Overview
A stateless session bean as per its name does not have any associated client state, but it may preserve its instance state.
Example
- Stateless EJB and Servlet deployed as separate modules, EJB is looked up in JNDI: https://github.com/NovaOrdis/playground/tree/master/jee/ejb/stateless-via-jndi
- Stateless EJB and Servlet deployed part of the same EAR: https://github.com/NovaOrdis/playground/tree/master/jee/ejb/stateless-within-ear
Maven
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>6.0</version>
<scope>provided</scope>
</dependency>
Stateless EJB and JNDI
The JNDI bindings for session bean named 'SimpleStatelessBean' in deployment unit 'deployment "stateless-ejb-example.jar"' are as follows:
java:global/stateless-ejb-example/SimpleStatelessBean!io.novaordis.playground.jee.ejb.stateless.SimpleStateless java:app/stateless-ejb-example/SimpleStatelessBean!io.novaordis.playground.jee.ejb.stateless.SimpleStateless java:module/SimpleStatelessBean!io.novaordis.playground.jee.ejb.stateless.SimpleStateless java:jboss/exported/stateless-ejb-example/SimpleStatelessBean!io.novaordis.playground.jee.ejb.stateless.SimpleStateless java:global/stateless-ejb-example/SimpleStatelessBean java:app/stateless-ejb-example/SimpleStatelessBean java:module/SimpleStatelessBean