Description of problem:
JBoss-EAP-6.2 does not show message count for JMS destinations on the admin console.

Version-Release number of selected component (if applicable):
JBoss-EAP-6.2 
HornetQ-2.3.12

How reproducible:
Always

Steps to Reproduce:

1. Create a JMS destination using admin console, CLI or directly on the standalone configuration file 

<jms-destinations>
   <jms-queue name="M">
      <entry name="java:/jboss/exported/queue/M"/>
      <durable>true</durable>
   </jms-queue>
</jms-destinations>

2. Send 1 or more messages using a JMS client to the newly configured destination 

3. Open the admin console and check the message count for the said destination, queue/M
http://localhost:9990/console/App.html#jms-metrics


Actual results:
The admin console does not show message count. It shows '0' as the message count

Expected results:
Admin console should display the actual message count 

Additional info:
You could verify the actual message count via CLI as a workaround since it shows the message count correctly :

[standalone@localhost:9999 /] /subsystem=messaging/hornetq-server=default/jms-queue=M:count-messages()      
{
    "outcome" => "success",
    "result" => 10L
}