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From Xalibur <>
Subject Network of brokers duplicates events
Date Fri, 03 Nov 2006 21:40:11 GMT

I think I found a major bug in both ActiveMQ 4.0.1 and 4.0.2:
If I build a network of two brokers with conduit subscriptions=false and 
have a publisher on one of them and n subscribers with identical 
message-selectors on the other, each subscriber receives each published 
event n-fold. It seems like the dispatching thread wrongly treats each 
remote subscription as a conduit subscription.

I've submitted a bug report ( ) to the issue 
tracker a week ago, but there was no reaction whatsoever, so I thought, 
I'd bring up the topic here.
I've attached my testcase to the bug report in case you want to verify 
my findings.


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