this sounds like https://issues.apache.org/activemq/browse/AMQ-2771 note the comments at the end about useLocalHost=false
On 5 August 2010 22:23, jzhang <jzh...@wellington.com> wrote: > > 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. > > -- http://blog.garytully.com Open Source Integration http://fusesource.com
