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From Tim Bain <>
Subject Re: ActiveMQ: How to retain inflight messages post consumer restart
Date Tue, 06 Jun 2017 02:35:17 GMT
Can you please describe what you see in JConsole that tells you that the
messages are lost? (And can you please define the word "lost" as you're
using it here? Do you mean that they are acked - but not by your code - or
that they end up in the DLQ or something else?)

When your consumer disconnects, is this a graceful exit or a hard shutdown
(kill -9)? And when the consumer reconnects, what behavior is seen?


On Jun 5, 2017 7:30 AM, "khandelwalanuj" <>

> Hi,
> Using Topics with durable subscribers.
> I am using client acknowledgement for my durable consumer. I acknowledge
> the
> message after every nth message.  Which takes care of acknowledging all the
> messages received before that.
> I am facing an issue where consumer receives some messages (<n) so consumer
> has not acknowledged it yet. so those are marked as inflight in the broker.
> Now if consumer goes down, and come up again, consumer does not receives
> those messages back. In Jconsole I can see that those messages are lost.
> Ideally If I haven't acknowledged the message, it should stay within the
> broker and should be received back if consumer is polling again.
> Thanks,
> Anuj
> --
> View this message in context: http://activemq.2283324.n4.
> consumer-restart-tp4727027.html
> Sent from the ActiveMQ - User mailing list archive at

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