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From Michael Justin <michael.jus...@gmx.net>
Subject STOMP 1.1 NACK test and activemq.prefetchSize question
Date Sat, 07 Jul 2012 08:10:45 GMT
Hello,

I am trying to set up a STOMP 1.1 NACK test for ActiveMQ 5.6.0 and 
Apollo 1.3.

The tests first sends three messages to a queue.

Then it subscribes the destination queue with a prefetch size of 3, like

SUBSCRIBE
destination:/queue/ExampleQueue
ack:client-individual
id:{A06FD6DB-6487-49DB-9396-258F5230306E}
activemq.prefetchSize:3

and for two messages it sends ACK, for one message NACK.

The connection then is closed and a new connection tries to receive the 
NACKed message.

* I can see in the Admin web interface that all messages disappeared 
from "Pending Messages", and "Messages Enqueued" equals "Messages 
Dequeued". So I can not see any pending message while I would expect 
one, either in the same queue or in some dead letter queue

* also there is a message count of 1 in the Topic 
ActiveMQ.Advisory.MessageDLQd.Queue.ExampleQueue (but can not read the 
messages with the STOMP client)



Is activemq.prefetchSize the correct header to set the prefetch size on 
a subscribe frame if the ActiveMQ connection uses STOMP 1.1?

Can this header also be used with Apache Apollo, or is there a different 
header?


Many thanks in advance

-- 
Michael Justin
habarisoft - Enterprise Messaging Software for Delphi
http://www.habarisoft.com/


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