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From Priya Parvatikar <>
Subject Re: Publisher stalls but does not resume after messages have been consum
Date Fri, 20 Oct 2006 14:44:46 GMT

Hi Hiram,

Thanks a lot for the quick response! Could you possibly give me an idea of
when the snapshot build would be available? Also would it be a snapshot
build for version 4.0.2 or 4.1?

Many Thanks,

Hiram Chirino wrote:
> Perhaps a small ack bug with the stomp connection I fixed last was the
> problem you are running into.
> see:
> You could build ActiveMQ from source or wait for a snapshot build to show
> up...
> On 10/20/06, Priya Parvatikar <> wrote:
>> Hi,
>> An update - I tried the above with a Java message producer instead of a
>> perl
>> one.  So there is a Java producer that starts publishing a large number
>> of
>> messages to a topic. There is a durable subscriber registered but it is
>> offline at the moment.
>> After sending about 12000 messages, the Java producer seemed to stall and
>> the "percentage memory used" for the broker went up to a 100% just as had
>> happened with the perl producer. However, when a subscriber started to
>> receive messages from the topic, the Java producer resumed sending
>> messages
>> and the "percentage memory used" figure started going down . This was
>> slow
>> at first, but picked up speed as the consumer started consuming more and
>> more messages.
>> So I think the Java producer seems to be resuming once a subscriber
>> starts
>> consuming the messages and the problem of the producer not resuming seems
>> to
>> occur for the perl producer.
>> Also Sileshi is right - I also did not see anything for "slow down"
>> messages
>> in the Stomp spec.  I guess that perhaps the broker stopped accepting
>> messages from the perl producer (and also the java one) when it ran out
>> of
>> memory? But it couldn't get the perl producer to resume sending again?
>> Could you please advise me about this?
>> Thanks,
>> Priya
> -- 
> Regards,
> Hiram
> Blog:

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