Application Managed JMS Context

EmailService.java

@Path("email")
@Stateless
public class EmailService {
    //pulls in default Conn Factory as per Java EE 7
    @Resource
    ConnectionFactory cf;
    
    //application managed
    JMSContext ctx;

    @Resource("jms/emailQ")
    Destination emailQ;

    @POST
    public void send(String email) {
        Session session;
        try {
            ctx = cf.createContext();
            ctx.createProducer().send(emailQ, email);
            System.out.println("Message Sent to queue - " + ((Queue) emailQ).getQueueName());
        } catch (JMSException ex) {
            Logger.getLogger(EmailService.class.getName()).log(Level.SEVERE, null, ex);
            throw new JMSRuntimeException(ex.getMessage(), ex.getMessage(), ex);
        } finally {
            //clean up after use. Can also be done as inside a @PreDestroy callback method
            ctx.close();
            System.out.println("JMSContext closed");
        }
    }
}