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From uprooter <uproo...@gmail.com>
Subject Pausing producer with ACKS.
Date Tue, 09 Jun 2009 12:33:55 GMT

Hello.
I'm new to ActiveMQ and I'm confused by the JMS Spec and the way it's
implemented bt AMQ.
I have both consumer and producer session created with 
Session.CLIENT_ACKNOWLEDGE.
I want to pause message flow from the producer until messages are consumed
by a consumer.
I don't want to use persistence or transaction as I don't care if the broker
crashes.
I do want to tie up JMS acknowledgments to errors in my application so that
if a consumer failed to process a message it wont acknowledge it and the
producer wont send another one.
CLIENT_ACKNOWLEDGMENTS allow me to cal message.acknowledge implicitly but
that wont stop the producer from sending another message.
Why does the producer continue if no ACKS has been received?

PS
This is how I understand CLIENT_ACKNOWLEDGMENTS
"Client mode: When a session uses client mode, the messages sent or received
from the session are not acknowledged automatically. The application must
acknowledge the message receipt. This mode gives the application (rather
than the JMS provider) complete control over message acknowledgement, at the
cost of increased code complexity."
Taken from 
http://www.javaworld.com/javaworld/jw-02-2002/jw-0315-jms.html?page=1 this
article 

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