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From Eric-AWL <eric.vinc...@atosorigin.com>
Subject Re: Network of brokers - already connected
Date Sat, 13 Feb 2010 17:27:18 GMT

Hi Joe.

But networkConnector names are different "S1" and "S2". 
 
Even if the problem is resolved, in some cases, it could be interesting to
have more than one duplex connections between two brokers (jsut for
splitting flows for example).

Eric-AWL.


Joe Fernandez wrote:
> 
> Please disregard my previous post; it was incorrect! d:(    Thanks G, for
> catching my mistake.  
> 
> This exception is being thrown because the broker planetlab1.tmit.bme.hu
> is trying to set up a demand forwarding bridge with the local broker
> pl3.technion.ac.il, but pl3.technion.ac.il is saying that it already has a
> bridge setup with planetlab1.tmit.bme.hu. 
> 
> javax.jms.InvalidClientIDException: Broker: ds-pl3.technion.ac.il -
> Client: NC_planetlab1.tmit.bme.hu_inboundds-pl3.technion.ac.il already
> connected from vm://ds-pl3.technion.ac.il#6 
> 
> And the reason why is because the brokers are each trying to create
> “duplex” connections/bridges to each other. So taking out the
> duplex=”true” attribute from the network connector elements should do the
> trick. 
> 
> Joe
> 
> 
> ttmdev wrote:
>> 
>> The following statement, taken from your standard error output, tells me
>> that the broker w/the name "ds-pl3.technion.ac.il" is rejecting a
>> connection request from a client because the client is trying to use a
>> client id (NC_planetlab1.tmit.bme.hu_inboundds-pl3.technion.ac.il) that
>> is already in use.
>> 
>> javax.jms.InvalidClientIDException: Broker: ds-pl3.technion.ac.il -
>> Client: NC_planetlab1.tmit.bme.hu_inboundds-pl3.technion.ac.il already
>> connected from vm://ds-pl3.technion.ac.il#6 
>> 
>> Joe
>> Goto www.ttmsolutions.com for a free ActiveMQ user guide
>> 
>> 
>> toff wrote:
>>> 
>>> Hi,
>>> 
>>> I tried searching the mailing list archive for an answer but to no
>>> avail. So here's yet another question on networks of brokers. I am using
>>> activemq 5.0, I want to configure a network of brokers with a given
>>> topology, that is deciding which broker is to be connected to which
>>> (using multiple network connectors). From the online documentation and
>>> examples from this mailing list for a simple 1-to-1 connection among
>>> brokers I use the following conf files:
>>> 
>>> Node1----
>>> 
>>> <broker xmlns="http://activemq.org/config/1.0"
>>> brokerName="ds-pl3.technion.ac.il"
>>> dataDirectory="${activemq.base}/data">
>>>     <transportConnectors>
>>>     	<transportConnector name="local"
>>> uri="static:(tcp://localhost:7001)"/>
>>>     </transportConnectors>
>>>     <networkConnectors>
>>>       <networkConnector name="S2" dynamicOnly="true" networkTTL="15"
>>> duplex="true" uri="static://(tcp://planetlab1.tmit.bme.hu:7002)"/>
>>>     </networkConnectors>   
>>>   </broker>
>>> 
>>> Node2----
>>> 
>>> <broker xmlns="http://activemq.org/config/1.0"
>>> brokerName="planetlab1.tmit.bme.hu"
>>> dataDirectory="${activemq.base}/data">
>>>     <transportConnectors>
>>>     	<transportConnector name="local"
>>> uri="static:(tcp://localhost:7002)"/>
>>>     </transportConnectors>
>>>     <networkConnectors>
>>>       <networkConnector name="S1" dynamicOnly="true" networkTTL="15"
>>> duplex="true" uri="static://(tcp://ds-pl3.technion.ac.il:7001)"/>
>>>     </networkConnectors>   
>>>   </broker>
>>> 
>>> -----
>>> 
>>> I use a single topic and messages seem to flow nicely from a broker to
>>> the other (I have a generic distributed pub/sub system with clients that
>>> are both producers and consumers attached to each broker).
>>> Looking at the standard error on both nodes I get a bunch of exceptions
>>> that just keep repeating: some are of severity WARNING, some are SEVERE
>>> although they look the same to me.
>>> 
>>> Can anybody please tell me how to get rid of them? Can you please tell
>>> me what I am doing wrong?
>>> 
>>> Exceptions follow:
>>> 
>>> 
>>> WARNING: Failed to add Connection
>>> javax.jms.InvalidClientIDException: Broker: ds-pl3.technion.ac.il -
>>> Client: NC_planetlab1.tmit.bme.hu_inboundds-pl3.technion.ac.il already
>>> connected from vm://ds-pl3.technion.ac.il#6
>>> 	at
>>> org.apache.activemq.broker.region.RegionBroker.addConnection(RegionBroker.java:205)
>>> 	at
>>> org.apache.activemq.broker.BrokerFilter.addConnection(BrokerFilter.java:81)
>>> 	at
>>> org.apache.activemq.advisory.AdvisoryBroker.addConnection(AdvisoryBroker.java:72)
>>> 	at
>>> org.apache.activemq.broker.BrokerFilter.addConnection(BrokerFilter.java:81)
>>> 	at
>>> org.apache.activemq.broker.MutableBrokerFilter.addConnection(MutableBrokerFilter.java:91)
>>> 	at
>>> org.apache.activemq.broker.TransportConnection.processAddConnection(TransportConnection.java:657)
>>> 	at
>>> org.apache.activemq.command.ConnectionInfo.visit(ConnectionInfo.java:125)
>>> 	at
>>> org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:281)
>>> 	at
>>> org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:178)
>>> 	at
>>> org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:100)
>>> 	at
>>> org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:67)
>>> 	at
>>> org.apache.activemq.transport.vm.VMTransport.iterate(VMTransport.java:202)
>>> 	at
>>> org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:98)
>>> 	at
>>> org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36)
>>> Mar 31, 2008 2:20:51 PM org.apache.activemq.broker.TransportConnection
>>> serviceException
>>> SEVERE: Async error occurred: javax.jms.InvalidClientIDException:
>>> Broker: ds-pl3.technion.ac.il - Client:
>>> NC_planetlab1.tmit.bme.hu_inboundds-pl3.technion.ac.il already connected
>>> from vm://ds-pl3.technion.ac.il#6
>>> javax.jms.InvalidClientIDException: Broker: ds-pl3.technion.ac.il -
>>> Client: NC_planetlab1.tmit.bme.hu_inboundds-pl3.technion.ac.il already
>>> connected from vm://ds-pl3.technion.ac.il#6
>>> 	at
>>> org.apache.activemq.broker.region.RegionBroker.addConnection(RegionBroker.java:205)
>>> 	at
>>> org.apache.activemq.broker.BrokerFilter.addConnection(BrokerFilter.java:81)
>>> 	at
>>> org.apache.activemq.advisory.AdvisoryBroker.addConnection(AdvisoryBroker.java:72)
>>> 	at
>>> org.apache.activemq.broker.BrokerFilter.addConnection(BrokerFilter.java:81)
>>> 	at
>>> org.apache.activemq.broker.MutableBrokerFilter.addConnection(MutableBrokerFilter.java:91)
>>> 	at
>>> org.apache.activemq.broker.TransportConnection.processAddConnection(TransportConnection.java:657)
>>> 	at
>>> org.apache.activemq.command.ConnectionInfo.visit(ConnectionInfo.java:125)
>>> 	at
>>> org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:281)
>>> 	at
>>> org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:178)
>>> 	at
>>> org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:100)
>>> 	at
>>> org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:67)
>>> 	at
>>> org.apache.activemq.transport.vm.VMTransport.iterate(VMTransport.java:202)
>>> 	at
>>> org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:98)
>>> 	at
>>> org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36)
>>> 
>> 
>> 
> 
> 

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