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    Queue stops working under load without error
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    created by <a href="http://community.jboss.org/people/mglowacki">Michal Glowacki</a> in <i>JBoss Messaging</i> - <a href="http://community.jboss.org/message/587645#587645">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;">&#160;</p><p>&#160;&#160;&#160;&#160; I created queue to put incoming requests into LinkedList, so I can process them one by one. It works perfect, until for example 10 requests come exactly same time. Then my queue just freezes. Any new request is not processed, I can't see any errors in the logs. I have to redeploy my MDB jar file in order to get it working again. However all messages are lost. I checked via JMX console state of the queue when it's broken, everything looks fine, DLQ is empty. Do you know where I could look for an error?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>here's jms-destination-service.xml</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><pre class="jive-pre"><code class="jive-code jive-xml"><span class="jive-xml-tag">&lt;mbean code="org.jboss.jms.server.destination.QueueService"
&#160;&#160;&#160;&#160;&#160;&#160;&#160; name="jboss.messaging.destination:service=Queue,name=ProcessingQueue"
&#160;&#160;&#160;&#160;&#160;xmbean-dd="xmdesc/Queue-xmbean.xml"&gt;</span>
 <span class="jive-xml-tag">&lt;attribute name="RedeliveryDelay"&gt;</span>3000<span class="jive-xml-tag">&lt;/attribute&gt;</span> <span class="jive-xml-comment">&lt;!-- those 2 I added later, but also did not help --&gt;</span>
 <span class="jive-xml-tag">&lt;attribute name="MaxDeliveryAttempts"&gt;</span>3<span class="jive-xml-tag">&lt;/attribute&gt;</span>
 <span class="jive-xml-tag">&lt;depends optional-attribute-name="ServerPeer"&gt;</span>jboss.messaging:service=ServerPeer<span class="jive-xml-tag">&lt;/depends&gt;</span>
 <span class="jive-xml-tag">&lt;depends&gt;</span>jboss.messaging:service=PostOffice<span class="jive-xml-tag">&lt;/depends&gt;</span>
<span class="jive-xml-tag">&lt;/mbean&gt;</span> 
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>and beginning of my MDB class:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><pre class="jive-pre"><code class="jive-code jive-java">@MessageDriven(activationConfig = <font color="navy">{</font>
&#160; @ActivationConfigProperty(
&#160; propertyName = <font color="red">"destinationType"</font>, propertyValue = <font color="red">"javax.jms.Queue"</font>),
&#160; @ActivationConfigProperty(
&#160; propertyName = <font color="red">"destination"</font>, propertyValue = <font color="red">"/queue/ProcessingQueue"</font>),
&#160; @ActivationConfigProperty(
&#160; propertyName = <font color="red">"acknowledgeMode"</font>, propertyValue = <font color="red">"Auto-acknowledge"</font>)
<font color="navy">}</font>)
@org.jboss.ejb3.annotation.Depends(<font color="red">"org.hornetq:module=JMS,name=\"ProcessingQueue\",type=Queue"</font>)
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><pre class="jive-pre"><code class="jive-code"></code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>Thanks,</p><p>Michal</p></div>

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