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https://issues.apache.org/jira/browse/AMQ-6835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16200311#comment-16200311
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Timothy Bish commented on AMQ-6835:
-----------------------------------
First thing to do would be to test with a recent release as the one you are
using is quite old, if that still shows a problem then a reproducer is needed.
> DemanForwardBridge not being built occasionally
> ------------------------------------------------
>
> Key: AMQ-6835
> URL: https://issues.apache.org/jira/browse/AMQ-6835
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.13.4
> Environment: SuseLinux 11SP4
> JAVA JDK 1.7
> Reporter: Cadmean
>
> Env:
> ActiveMQ version: 5.13.4
> 8 ActiveMQ Broker to form a mesh topology with "duplex=false messageTTL=-1
> consumerTTL=1". See:
> {code:java}
> <networkConnectors>
> <networkConnector uri="static:(tcp://ip1:61616,tcp://ip2:61616,...)"
> duplex="false" messageTTL="-1" dynamicOnly="false" />
> </networkConnectors>
> {code}
> 8000 clients are connected to brokers using
> failover:(tcp://ip1:61616,ip2:61616,ip3:61616,...). These clients are
> non-durable subscribers subscribe to Topics according to there IP addresses.
> For example: client 192.168.10.1 subscribes to TOPIC://VLAN.192.168.10
> In this case, I got about 200 topics in my ActiveMQ broker cluster.
> The problem is demand forward bridges where not created <b>occasionally</b>.
> For example:
> Client 192.168.10.1 is connecting to Broker A and subscribing
> TOPIC://VLAN.192.168.10.
> Producer is connecting to Broker B and sending messages to
> TOPIC://VLAN.192.168.10.
> Normally client can receive message, which are sent to Broker B by the
> producer, from Broker A since A and B are in the same cluster.
> However, I found some of the clients in Broker A cannot receive any message.
> When checking the subscribers of the topic, I found the bridge to Broker B is
> missing.
> I realize that whether the demand forward bridge is created depending on
> advisory consumer messages. So I try to receive ConsumerInfo of the client
> from "ActiveMQ.Advisory.Consumer.VLAN.192.168.10" and resend this
> ConsumerInfo message to the same topic
> "ActiveMQ.Advisory.Consumer.VLAN.192.168.10".
> Then the client could receive messages correctly.
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