[jboss-jira] [JBoss JIRA] Commented: (JBMESSAGING-1140) QueueReceiver starts out of sync with the server, so receiveNoWait always returns null

[Tim Fox (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBMESSAGING-1140?page=comments#action_12386482 ] 
            
Tim Fox commented on JBMESSAGING-1140:
--------------------------------------

There is no requirement to implement it way from the JMS spec, and it would be very difficult to implement it that way anyway for little gain, so closing.

> QueueReceiver starts out of sync with the server, so receiveNoWait always returns null
> --------------------------------------------------------------------------------------
>
>                 Key: JBMESSAGING-1140
>                 URL: http://jira.jboss.com/jira/browse/JBMESSAGING-1140
>             Project: JBoss Messaging
>          Issue Type: Bug
>          Components: JMS Client Manager
>    Affects Versions: 1.4.0.SP1
>            Reporter: Carlo de Wolf
>         Assigned To: Tim Fox
>
> When there is a single message on the queue the browser will correctly report 1 message, but the receiver will not receive it right away.
>       QueueBrowser browser = session.createBrowser(queue);
>       Enumeration e = browser.getEnumeration();
>       List messages = CollectionsUtil.list(e);
>       QueueReceiver receiver = session.createReceiver(queue);
>       message = (TextMessage) receiver.receiveNoWait();
> 2007-11-06 13:58:06,437 TRACE [org.jboss.jms.client.JBossSession] attempting to create consumer for destination:JBossQueue[DLQ]
> 2007-11-06 13:58:06,438 TRACE [org.jboss.jms.client.delegate.DelegateSupport] SessionDelegate[1802245312, ID=c8a-r0sgfo8f-1-hnjqbo8f-ilci1t-110j3] invoking org.jboss.jms.wireformat.SessionCreateConsumerDelegateRequest at 2e7857a5 synchronously on server using Client[838449156]
> 2007-11-06 13:58:06,480 TRACE [org.jboss.jms.client.delegate.DelegateSupport] SessionDelegate[1802245312, ID=c8a-r0sgfo8f-1-hnjqbo8f-ilci1t-110j3] got server response for org.jboss.jms.wireformat.SessionCreateConsumerDelegateRequest at 2e7857a5: org.jboss.jms.wireformat.SessionCreateConsumerDelegateResponse at 1d30b5e2
> 2007-11-06 13:58:06,484 TRACE [org.jboss.jms.client.delegate.DelegateSupport] ConsumerDelegate[1910585900, ID=j8a-itsgfo8f-1-hnjqbo8f-ilci1t-110j3] invoking org.jboss.jms.wireformat.ConsumerChangeRateRequest at 79b2591c synchronously on server using Client[838449156]
> 2007-11-06 13:58:06,486 TRACE [org.jboss.jms.client.delegate.DelegateSupport] ConsumerDelegate[1910585900, ID=j8a-itsgfo8f-1-hnjqbo8f-ilci1t-110j3] got server response for org.jboss.jms.wireformat.ConsumerChangeRateRequest at 79b2591c: org.jboss.jms.wireformat.NullResponse at 468034b6
> 2007-11-06 13:58:06,488 TRACE [org.jboss.jms.client.container.ClientConsumer] ClientConsumer[j8a-itsgfo8f-1-hnjqbo8f-ilci1t-110j3] receiving, timeout = -1
> 2007-11-06 13:58:06,488 TRACE [org.jboss.jms.client.container.ClientConsumer] ClientConsumer[j8a-itsgfo8f-1-hnjqbo8f-ilci1t-110j3]: receive, noWait
> 2007-11-06 13:58:06,488 TRACE [org.jboss.jms.client.container.ClientConsumer] ClientConsumer[j8a-itsgfo8f-1-hnjqbo8f-ilci1t-110j3]: no message available
> 2007-11-06 13:58:06,545 TRACE [org.jboss.jms.client.container.ClientConsumer] org.jboss.jms.client.container.ClientConsumer$HandleMessageRunnable at 66201d6d receiving message delegator->JBossMessage[58368]:PERSISTENT, deliveryId=1 from the remoting layer
> 2007-11-06 13:58:06,545 TRACE [org.jboss.jms.client.container.ClientConsumer] org.jboss.jms.client.container.ClientConsumer$HandleMessageRunnable at 66201d6d added message(s) to the buffer are now 1 messages

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