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From Adrian Co <...@exist.com>
Subject Re: QueueBrowser in embedded broker not getting any messages
Date Tue, 21 Nov 2006 09:22:43 GMT
Try enabling JMX in your embedded broker and check if there are really 
messages being enqueued in the queue specified.

Does using an actual consumer instead of a queue browser works?

Priya Parvatikar wrote:
> Hi,
>
> I am trying to use a QueueBrowser to browse messages sent using an embedded
> broker.  I am using ActiveMQ version 4.0.2.  The broker is set up using 
>
> new ActiveMQConnectionFactory("vm://localhost?broker.persistent=false");
>
> However the QueueBrowser doesn't appear to get any messages i.e.
> browser.getEnumeration().hasMoreElements() returns false.  Here's the code I
> am using - 
>
> public void initialise(){
>     try {
>         ConnectionFactory connFactory = new
> ActiveMQConnectionFactory("vm://localhost?broker.persistent=false");		
>         Connection connection = connFactory.createConnection();
>         Session session = connection.createSession(false,
> Session.AUTO_ACKNOWLEDGE);
>         javax.jms.Queue queue =
> (javax.jms.Queue)jndiUtil.getJndiEntry(queueName);
>         browser = session.createBrowser(queue);
>         connection.start();
>     } catch (NamingException e) {
> 	System.err.println("Got NamingException : " + e.getMessage());
>     } catch (JMSException e) {
> 	System.err.println("Got JMSException : " + e.getMessage());
>     }
>
> }
>
> public void browseMessages {
>     try {
>         Enumeration msgEnum = browser.getEnumeration();
>         System.out.println("has more elements is " +
> msgEnum.hasMoreElements());
>     }catch (JMSException e) {
> 	System.err.println("Got JMSException : " + e.getMessage());
>     }
>     
> }
>
> The initialise() method is called before the sender sends messages to the
> queue and the browseMessages() method is called after the sender has sent a
> message.  Could you please advise me about this?  Apologies if I am missing
> something obvious.
>
> Thanks,
> Priya
>
>
>
>   


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