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From Tim Bain <>
Subject Re: Enqueue Messages are not deleted from broker
Date Mon, 13 Jul 2015 20:21:40 GMT
Every message sent to a topic counts as one enqueue, whether it is
eventually delivered to zero, one, or many consumers.  (Each message
delivered to a consumer counts as a dequeue, so you could get zero, one, or
many dequeue counts for each enqueue count; do not assume they'll match for
topics!)  But just because it was enqueued doesn't mean it's still in the
topic; if there are no subscribers, it will be immediately discarded (which
does not count as a dequeue).  You can test this by connecting a
non-durable consumer and seeing if it gets any messages from before it
connected.  It won't.
On Jul 13, 2015 11:50 AM, "zohar" <> wrote:

> hi everyone,
> I'm using new release of ActiveMQ 5.11
> Create Non-durable topic and sending non persistence messages by timer.
> there is no listener on that topic.
> I see on the Web Console that the message is still Enqueue !!!
> I tries some values on the TimeToLive property with no help.
> and try to configure constantPendingMessageLimitStrategy limit="10"
> and still nothing changed.
> Why still the Messages stay on the Topic ?
> Thanks
> Zohar
> --
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