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JBOSS 5.1 "MessageConsumer.receiveNoWait(...)" strange problem
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created by <a href="http://community.jboss.org/people/augustusk">Augustus Karthik</a> in <i>JBoss Messaging</i> - <a href="http://community.jboss.org/message/553680#553680">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am have strange problem with JBOSS 5.1.0. I have attached my program below. This program works perfectly in JBOSS 4.2.3. But fails strangely in Jboss 5.1.0. <strong>The strange thing is when I run the same program in "DEBUG" mode it works fine</strong>. I couldn't find whats wrong with this program. Is it something related to Threads? Please help me out..</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The Main problem is "MessageConsumer.receiveNoWait(...)" method fails to return the ObjectMessage from the JMS Queue event though there are many messages in the queue.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Here is the program:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>           initialContext = getContext();</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>          Queue queue = (Queue) initialContext.lookup("/queue/XQueue");</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>          QueueConnectionFactory cf = (QueueConnectionFactory) initialContext.lookup("/ConnectionFactory");</p><p>          connection = cf.createQueueConnection("caecmibuser","caecmibuser");</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>          QueueSession qSession1 = connection.createQueueSession(false,    Session.AUTO_ACKNOWLEDGE);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>          MessageConsumer qReceiver = qSession1.createConsumer(queue);<br/>                <br/>          connection.start();</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>           while (true) {<br/>               <span style="color: #ff0000;"> <strong>ObjectMessage message = (ObjectMessage) qReceiver.receiveNoWait();</strong></span>     <span style="color: #993366;">//This method always returns null</span><br/>                <br/>                if (message == null)<br/>                    break;</p><p>         }</p><p>            qReceiver.close();<br/>            qSession1.close();<br/>            connection.close();</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks</p><p>Augustus</p></div>
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