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From "James Strachan" <james.strac...@gmail.com>
Subject Re: Consuming a group of messages in a single transaction
Date Fri, 28 Jul 2006 08:33:07 GMT
Can you not split up the 200Mb file into pieces?

On 7/28/06, nlif <naaman@dbnet.co.il> wrote:
>
> Thanks James.
>
> Let me describe a typical use-case: I need to send some kind of a command
> object along with a binary file. I serialize the command object to XML and
> send it as a JMS TextMessage. Now comes the file, which is quite large
> (~200Mb), so I need streaming. The problem is - what happens if the consumer
> got the TextMessage and acknowledged it, and then crashed? The File may
> eventually get there, possibly using a different consumer thread (*) but the
> TextMessage will not be redelivered since it was acknowledged. That's why,
> in my opinion, and please correct me if I'm wrong here, I need a transaction
> to include both the TextMessage and the file.
>
> Naaman
>
> (*) Since we're deployed in a cluster, the TextMessage and the File might
> have ended up in different nodes altogether, but luckily there's ActiveMQ
> MessageGroups :-)
>
> --
> View this message in context: http://www.nabble.com/Consuming-a-group-of-messages-in-a-single-transaction-tf1966918.html#a5535611
> Sent from the ActiveMQ - User forum at Nabble.com.
>
>


-- 

James
-------
http://radio.weblogs.com/0112098/

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