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From: Rob Davies <rajdavies@gmail.com>
Subject: Re: NetworkTTL filters AdvisoryMessages only after transmission
Date: Fri, 9 Nov 2007 10:21:52 +0000
To: users@activemq.apache.org

I think the first step would be to upgrade to a later release: http:// 
activemq.apache.org/activemq-411-release.html

cheers,

Rob

http://open.iona.com/ -Enterprise Open Integration
http://rajdavies.blogspot.com/


On Nov 9, 2007, at 7:39 AM, hbruch wrote:

>
> Hi,
>
> we are using a star topology, having multiple 4.0.2-brokers  
> connected to one
> central broker via a slow, unreliable network.
>
> Network connectors are configured with a networkTTL=1. However,
> AdvisoryMessages
> are sent over two hops before they get discarded:
>
> 2007-11-09 07:35:13,733 DEBUG DemandForwardingBridge         -  
> Ignoring
> Subscription ConsumerInfo {commandId = 3, responseRequired = false,
> consumerId = ID:xxx-4397-1194590104420-5:1:1:1, destination =
> queue://TEST.FOO, prefetchSize = 1, maximumPendingMessageLimit = 0,  
> browser
> = false, dispatchAsync = false, selector = null, subcriptionName =  
> null,
> noLocal = false, exclusive = false, retroactive = false, priority = 0,
> brokerPath = [ID:xxx-4397-1194590104420-2:1], optimizedAcknowledge  
> = false,
> noRangeAcks = false, additionalPredicate =
> org.apache.activemq.command.NetworkBridgeFilter@61a907} restricted  
> to 1
> network hops only
>
> Is there a way to restrict advisory messages to only one hop?
> The network connector is configured to use the DemandForwardingBridge
> (conduitSubscriptions=false):
> <networkConnector name="B" uri="static:tcp://localhost:61001"
> failover="true" prefetchSize="1" conduitSubscriptions="false"
> dispatchAsync="false"/>
>
> It seems to me, that TopicSubscriptions from remote brokers don't have
> NetworkBridgeFilter set as additionalPredicate. Is this correct?
>
> Currently we encounter many irrelevant advisory messages filling up  
> memory
> pretty
> fast since connections are unreliable and therefore consumers
> connect/disconnect regularly.
> As a result, the UsageManager.waitForSpace() steps in soon and  
> halts the
> producer.
>
> Any help is appreciated,
> thanks,
> Holger
> -- 
> View this message in context: http://www.nabble.com/NetworkTTL- 
> filters-AdvisoryMessages-only-after-transmission- 
> tf4776251s2354.html#a13662640
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>