Hey,
We have a small EJB3 with a method based on timer that sends JMS messages as
follows:
| @Stateless()
| public class ScannerBean implements ScannerLocal {
| @Timeout
| public void sendMessages(Timer timer) {
| InitialContext ctx = new InitialContext();
| queue = (Queue) ctx.lookup("queue/velo/TasksDefaultQueue");
| QueueConnectionFactory factory = (QueueConnectionFactory)
ctx.lookup("ConnectionFactory");
| connection = factory.createQueueConnection();
| session =
connection.createQueueSession(false,QueueSession.AUTO_ACKNOWLEDGE);
| messageProducer = session.createProducer(queue);
| messageProducer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
| BytesMessage bytesMsg = session.createBytesMessage();
| bytesMsg.setLongProperty("uniqueId", uniqueId);
| messageProducer.send(bytesMsg);
| }
| }
|
This component seems to work just fine and the messages are successfully stored
on the JMS queue.
We have a very simple MessageDriven bean that listens to a JMS queue as follows:
| @MessageDriven(name="TaskExecuterMessageBean", activationConfig = {
| @ActivationConfigProperty(propertyName = "acknowledgeMode",
propertyValue = "Auto-acknowledge"),
| @ActivationConfigProperty(propertyName="destinationType",
propertyValue="javax.jms.Queue"),
| @ActivationConfigProperty(propertyName="destination",
propertyValue="queue/velo/TasksDefaultQueue")
| })
| public class MDBTaskExecuter implements MessageListener {
|
| @EJB
| public SomeManager someManager;
|
| @Resource
| private MessageDrivenContext context;
|
| public void onMessage(Message msg) {
| long uniqueId = bm.getLongProperty("uniqueId");
|
| try{
| someManager.process(uniqueId);
| }catch(Exception e) {
| context.setRollbackOnly();
| }
| }
| }
|
Seems like this MessageDriven component suddenly stops receiving the messages
and the queue grows up with not handled messages.
What may cause the MessageDriven bean suddenly stops working? is it a bug?
there are any opened issues about this problem?
Thanks in advanced,
Asaf.
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