On 13 May 2008, at 17:43, ttmdev wrote:
I also ran across this issue with the latest 5.1.
Messages bounce back and forth between the 2 brokers via the duplex
transport until the ttl count expires. The DemandForwardingBridge
doesn't
check where the message came from before sending it back off to the
remote.
Working on a patch for the corresponding JIRA.
https://issues.apache.org/activemq/browse/AMQ-1661
Joe
Get a free ActiveMQ user guide at www.ttmsolutions.com
MikeF73 wrote:
I have two brokers (call them A and B), where A establishes a
connection
to B with the options:
duplex="true" networkTTL="3" dynamicOnly="true"
I have two clients connecting to broker A, and one to B. One of the
clients on A is subscribing to a queue, the other is publishing to
it.
The client on B is not using that queue at all. When the publishing
client sends a message, the subscriber receives it as expected.
But if I
watch the network with a sniffer, I can see the message being sent to
broker B and back again.
I also set up a topic that all of the clients subscribe to. If a
client
on A sends a message to the topic, the client on B receives it
normally,
but the two clients on A receive the message twice. I can see with
the
sniffer that the message is being sent from A to B and back.
If I change the connection so that it's not duplex (i.e. I set up
matching
simplex connections on both brokers) all of this unexpected
behavior goes
away. In the first example, the messages are no longer forwarded
to B
since there are no subscribers on that broker. In the second
example, the
message is received once by every subscriber.
Did I misconfigure my duplex connection somehow? I can run it with
the
two simplex connections for now since I'm in a test environment,
but I'm
going to need to move to duplex for production.
Thanks!
EDIT: this is the 5.1 4/8/08 snapshot
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Hi Joe,
I'm currently down to fix this - when I get a chance - but if you
submit a patch in the mean time I'll be grateful!
cheers,
Rob
http://open.iona.com/products/enterprise-activemq
http://rajdavies.blogspot.com/
