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From Gordon Sim <g...@redhat.com>
Subject Re: Unable to send 1MB messages in asynchronous mode
Date Fri, 13 May 2016 15:51:30 GMT
On 13/05/16 13:32, Michal Zerola wrote:
> I am unable to send 1MB messages using Java JMS API to Qpid (C++ broker)
> v0.34 if I use asynchronous send mode (no 'sync_publish' connection option).
> First message is sent normally, but the client hangs up on second
> producer.send(message) call.

Was there any error on the client side (or on the broker)? My guess 
would be something to do with the buffer size on the AMQP 0-10 JMS 
client you are using. The nosync.log doesn't actually contain a proper 
session close in either direction, is that the full log?

Generally, I would recommend using the AMQP 1.0 JMS client over the AMQP 
0-10 one. It is more recent and more likely to get bug fixes.

> If I use synchronous send mode (sync_publish='all') or smaller messages
> (e.g. 10KB) then everything works. I am attaching client logs for both
> asynchronous mode (where problem appears) and synchronous mode (where
> sending works).
> nosync.log <http://qpid.2158936.n2.nabble.com/file/n7643793/nosync.log>
> sync.log <http://qpid.2158936.n2.nabble.com/file/n7643793/sync.log>
> Messages are sent as persistent to a durable queue using topic exchange.
> Thanks for help.

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