I set it up as documented http://activemq.apache.org/pure-master-slave.html
the slave comes up fine but each time something actually tries to connect to the master broker, I get this error message: I only get these messages if I attach a slave into the mix. I don't need anything complicated like using a shared database, but I need to if I can't get this working properly. 2010-08-16 12:41:37,265 | INFO | Successfully connected to tcp://localhost:61616 | org.apache.activemq.transport.failover.FailoverTransport | ActiveMQ Failover Worker: 685047701 2010-08-16 12:41:39,661 | INFO | Camel Console at http://0.0.0.0:8161/camel | org.mortbay.log | main 2010-08-16 12:41:39,828 | INFO | ActiveMQ Web Demos at http://0.0.0.0:8161/demo | org.mortbay.log | main 2010-08-16 12:41:39,971 | INFO | RESTful file access application at http://0.0.0.0:8161/fileserver | org.mortbay.log | main 2010-08-16 12:41:39,992 | INFO | Started selectchannelconnec...@0.0.0.0:8161 | org.mortbay.log | main 2010-08-16 12:41:49,558 | INFO | Active Slave Broker localhost is attached | org.apache.activemq.broker.TransportConnection | ActiveMQ Transport: tcp:///192.168.163.110:36818 2010-08-16 12:42:08,716 | INFO | Closing Spring root WebApplicationContext | /camel | ActiveMQ ShutdownHook 2010-08-16 12:42:09,544 | ERROR | Slave Failed | org.apache.activemq.broker.ft.MasterBroker | ActiveMQ Transport: tcp:///127.0.0.1:40336 java.lang.IllegalStateException: Cannot remove a consumer from a session that had not been registered: ID:vxqa07vm04.qa.avvenu.com-56650-1281987692308-2:0:1 at org.apache.activemq.broker.TransportConnection.processRemoveConsumer(TransportConnection.java:553) at org.apache.activemq.command.RemoveInfo.visit(RemoveInfo.java:76) at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:300) at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:178) at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116) at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:68) at org.apache.activemq.transport.vm.VMTransport.iterate(VMTransport.java:210) at org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:98) at org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36)2010-08-16 12:42:09,551 | ERROR | Slave Failed | org.apache.activemq.broker.ft.MasterBroker | ActiveMQ Transport: tcp:///127.0.0.1:40336 java.lang.IllegalStateException: Cannot remove a consumer from a session that had not been registered: ID:vxqa07vm04.qa.avvenu.com-56650-1281987692308-2:0:-1 at org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36) 2010-08-16 12:42:09,555 | INFO | Destroying Spring FrameworkServlet 'dispatcher' | /admin | ActiveMQ ShutdownHook 2010-08-16 12:42:09,568 | INFO | ActiveMQ Message Broker (localhost, ID:vxqa07vm04.qa.avvenu.com-56650-1281987692308-0:0) is shutting down | org.apache.activemq.broker.BrokerService | ActiveMQ ShutdownHook 2010-08-16 12:42:11,542 | ERROR | Slave Failed | org.apache.activemq.broker.ft.MasterBroker | ActiveMQ Task java.lang.IllegalStateException: Cannot remove a consumer from a session that had not been registered: ID:vxqa07vm04.qa.avvenu.com-56834-1281890774503-0:0:-1 at org.apache.activemq.broker.TransportConnection.processRemoveConsumer(TransportConnection.java:553) at org.apache.activemq.command.RemoveInfo.visit(RemoveInfo.java:76) at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:300) at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:178) at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116) at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:68) at org.apache.activemq.transport.vm.VMTransport.iterate(VMTransport.java:210) at org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:98) at org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36) 2010-08-16 12:42:11,546 | ERROR | Slave Failed | org.apache.activemq.broker.ft.MasterBroker | ActiveMQ Task java.lang.IllegalStateException: Cannot remove a consumer from a session that had not been registered: ID:vxqa07vm04.qa.avvenu.com-56834-1281890774503-0:0:1 at org.apache.activemq.broker.TransportConnection.processRemoveConsumer(TransportConnection.java:553) at org.apache.activemq.command.RemoveInfo.visit(RemoveInfo.java:76) at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:300) at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:178) at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116) at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:68) at org.apache.activemq.transport.vm.VMTransport.iterate(VMTransport.java:210) at org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:98) at org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36) -- View this message in context: http://old.nabble.com/Is-there-a-trick-to-configuring-Pure-Master-Slave--tp29449220p29449220.html 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