I am trying to set up a simple network of brokers within the same host (Linux VM) using multicast. It seems that I can only use 'localhost' as host name in tcp uri. If I use IP address or DNS name, the log shows 'connection refused' warning message. Here are some details:
My configurations: - for broker NB-BKR-B: ... <networkConnectors> <networkConnector name="labnb1" uri="multicast://default?group=test-lab-1" /> </networkConnectors> ... <transportConnectors> <transportConnector name="openwire" uri="tcp://myhost.mycompany.com:61617" discoveryUri="multicast://default?group=test-lab-1"/> </transportConnectors> ... - for broker NB-BKR-C: ... <networkConnectors> <networkConnector name="labnb1" uri="multicast://default?group=test-lab-1" /> </networkConnectors> ... <transportConnectors> <transportConnector name="openwire" uri="tcp://myhost.mycompany.com:61618" discoveryUri="multicast://default?group=test-lab-1"/> </transportConnectors> ... Now when started both brokers, log shows (NB-BKR-C;s log): 2010-08-05 17:06:29,054 | WARN | Could not start network bridge between: vm://NB-BKR-C and: tcp://lab-2:61617 due to: java.net.ConnectException: Connection refused | org.apache.activemq.network.DiscoveryNetworkConnector | Notifier-MulticastDiscoveryAgent-listener:DiscoveryNetworkConnector:labnb1:BrokerService[NB-BKR-C] 2010-08-05 17:06:29,055 | DEBUG | Start failure exception: java.net.ConnectException: Connection refused | org.apache.activemq.network.DiscoveryNetworkConnector | Notifier-MulticastDiscoveryAgent-listener:DiscoveryNetworkConnector:labnb1:BrokerService[NB-BKR-C] java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366) at java.net.Socket.connect(Socket.java:519) at org.apache.activemq.transport.tcp.TcpTransport.connect(TcpTransport.java:436) at org.apache.activemq.transport.tcp.TcpTransport.doStart(TcpTransport.java:402) at org.apache.activemq.util.ServiceSupport.start(ServiceSupport.java:53) at org.apache.activemq.transport.TransportFilter.start(TransportFilter.java:57) at org.apache.activemq.transport.TransportFilter.start(TransportFilter.java:57) at org.apache.activemq.transport.WireFormatNegotiator.start(WireFormatNegotiator.java:72) at org.apache.activemq.transport.TransportFilter.start(TransportFilter.java:57) at org.apache.activemq.transport.TransportFilter.start(TransportFilter.java:57) at org.apache.activemq.network.DemandForwardingBridgeSupport.start(DemandForwardingBridgeSupport.java:227) at org.apache.activemq.network.DiscoveryNetworkConnector.onServiceAdd(DiscoveryNetworkConnector.java:130) at org.apache.activemq.transport.discovery.multicast.MulticastDiscoveryAgent$2.run(MulticastDiscoveryAgent.java:506) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675) at java.lang.Thread.run(Thread.java:595) Broker NB-BKR-B has the similar warning. I have not test message forward yet. Just feel uncomfortable seeing these stacktraces. But when I change 'myhost.mycompany.com' to localhost' under 'tcp' uri, the log does not have those warning and stacktrace. Also if these two brokers are hosted on two different VMs and uses host name or IP, it works fine. What might be the problem here? -J -- View this message in context: http://old.nabble.com/Can-I-can-run-two-brokers-as-network-using-multicast-on-the-same-host--tp29356394p29356394.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.