I do see the same behaviour on 4.2.2. Here's my MDB:
package org.myapp.ejb.impl;
|
| import javax.ejb.ActivationConfigProperty;
| import javax.ejb.EJB;
| import javax.ejb.MessageDriven;
| import javax.jms.Message;
| import javax.jms.MessageListener;
| import javax.persistence.PostRemove;
|
| import org.apache.log4j.Logger;
| import org.myapp.ejb.UserManager;
|
| /**
| * MDB for testing injection of EJBs
| *
| * @author Jaikiran Pai
| * @since
| */
| @MessageDriven(activationConfig =
| {
| @ActivationConfigProperty(propertyName="destinationType",
| propertyValue="javax.jms.Queue"),
| @ActivationConfigProperty(propertyName="destination",
| propertyValue="queue/A")
| })
| public class MyMDB implements MessageListener {
|
| private static Logger logger = Logger.getLogger(MyMDB.class);
|
|
| private UserManager userManager;
|
| public UserManager getUserManager() {
| return this.userManager;
| }
|
| @EJB
| public void setUserManager(UserManager userManager) {
| this.userManager = userManager;
| }
|
| /**
| * Default constructor
| *
| */
| public MyMDB() {
| System.out.println("In constructor of MDB");
| }
|
| /**
| *
| */
| public void onMessage(Message arg0) {
| System.out.println("onMessage of MyMDB called");
| System.out.println("EJB is " + getUserManager());
| getUserManager().getUser((long)1);
| logger.info("onMessage of MyMDB called");
| }
|
|
|
| }
A new instance of UserManagerBean gets injected everytime the onMessage method
is invoked. I just glanced through the EJB spec and did not see any mention of
this behaviour being mandated. You are right, the injection should have
happened only if a new instance of the MDB was created instead of injecting the
EJB on every call of onMessage.
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