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From Viswanath Durbha <>
Subject QueueSize attribute
Date Mon, 03 Dec 2007 11:03:32 GMT


This question is regarding the QueueSize attribute of a queue in a
persistent broker.

I'm using ActiveMQ 5.0 snapshot version. I have a broker called broker1
queue called test.queue. The broker has persistence enabled and it is using
the default AMQ storage adapter. I sent some messages to this queue using
the web console. I checked the 'Persistent Delivery' checkbox on the form
for sending the message. There are no consumers for this message. So the
message stays in the queue. The web console shows the "Number of Pending
Messages" as 1.

I bounce back the broker and then refresh my web console. Now the "Number of
Pending Messages" column shows zero. But when I browse the queue, the
message is listed. The JMX console also shows the QueueSize of the
'test.queue' as zero even though there is a message in the queue.

Can someone help me to figure out how the QueueCount attribute works and
whether this is expected behavior or a bug?

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