Re: QueueBrowser and unacked received messages

On Jul 13, 2006, at 4:27 PM, Tim Anderson wrote:

> Anders Bogdan wrote:
>> Greetings!
>>
snip
>> using openjms-0.7.6.1, and a queue.
>> I'm trying to avoid having functionally equivalent jms messages on
>> the queue at the same time.
>>
>> Thanks.
>>
> Once a message has been delivered, it is not available to  
> QueueBrowsers,
> unless
> they had that message cached locally.
> You could use a second queue that the processor could use to indicate
> that it is processing a request.
> This would be consumed by the processor once the processing is  
> complete.
> The sender would check this second queue before issuing requests.
>
> However, it sounds like you need a different approach. Have you looked
> at QueueRequestor?
> http://java.sun.com/j2ee/sdk_1.3/techdocs/api/javax/jms/ 
> QueueRequestor.html
>
> -Tim

Thanks for the reply - Looks like a tracking queue would work -  
probably won't do it! but thanks.



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