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From pclovec <pclo...@gmail.com>
Subject Re: Pausing producer with ACKS.
Date Tue, 09 Jun 2009 15:43:16 GMT

seems you can using Auto_ACKNOWlEDGE, and async send message.



uprooter wrote:
> 
> 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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