Check the list here http://wiki.apache.org/cassandra/JmxGotchas
I *think* the jmx server tells the client to connect back on another host/port. Hope that helps. ----------------- Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 22 Jun 2011, at 21:02, 박상길 wrote: > Hi. > > I'm running 5 cassandra nodes. Say, the addresses are 112.234.123.111 ~ > 112.234.123.115; the real address is different. > When I run nodetool, the one node of address 112.234.123.112 has failed to > connect. Showing error message like this. > > iPark:~ hayarobi$ nodetool --host 112.234.123.112 ring > Error connection to remote JMX agent! > java.rmi.ConnectException: Connection refused to host: 122.234.123.112; > nested exception is: > > The host to connect address differ! I had tried to query 112.* but, the > nodetool tried to connect 122.*. It happened just one machine. All other > machines works fine. > And I can connect to 112.234.123.112 by cassandra-cli or other tools using > other port (such as 22 of ssh, 80 of http). It has trouble only on nodetool. > > Does anyone has an idea? > > I'll paste the full stack trace below. > > iPark:~ hayarobi$ nodetool --host 112.234.123.111 ring > Address Status State Load Owns Token > > > 136112946768375000000000000000000000000 > 112.234.123.111 Up Normal 725.01 KB 20.00% 0 > > 112.234.123.112 Up Normal 725.93 KB 20.00% > 34028236692093800000000000000000000000 > 112.234.123.113 Up Normal 728.2 KB 20.00% > 68056473384187700000000000000000000000 > 112.234.123.114 Up Normal 713.1 KB 20.00% > 102084710076282000000000000000000000000 > 112.234.123.115 Up Normal 722.67 KB 20.00% > 136112946768375000000000000000000000000 > iPark:~ hayarobi$ nodetool --host 112.234.123.115 ring > Address Status State Load Owns Token > > > 136112946768375000000000000000000000000 > 112.234.123.111 Up Normal 725.01 KB 20.00% 0 > > 112.234.123.112 Up Normal 725.93 KB 20.00% > 34028236692093800000000000000000000000 > 112.234.123.113 Up Normal 728.2 KB 20.00% > 68056473384187700000000000000000000000 > 112.234.123.114 Up Normal 713.1 KB 20.00% > 102084710076282000000000000000000000000 > 112.234.123.115 Up Normal 722.67 KB 20.00% > 136112946768375000000000000000000000000 > iPark:~ hayarobi$ nodetool --host 112.234.123.114 ring > Address Status State Load Owns Token > > > 136112946768375000000000000000000000000 > 112.234.123.111 Up Normal 725.01 KB 20.00% 0 > > 112.234.123.112 Up Normal 725.93 KB 20.00% > 34028236692093800000000000000000000000 > 112.234.123.113 Up Normal 728.2 KB 20.00% > 68056473384187700000000000000000000000 > 112.234.123.114 Up Normal 713.1 KB 20.00% > 102084710076282000000000000000000000000 > 112.234.123.115 Up Normal 722.67 KB 20.00% > 136112946768375000000000000000000000000 > iPark:~ hayarobi$ nodetool --host 112.234.123.112 ring > Error connection to remote JMX agent! > java.rmi.ConnectException: Connection refused to host: 122.234.123.112; > nested exception is: > java.net.ConnectException: Connection refused > at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:601) > at > sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:198) > at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:184) > at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:110) > at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown > Source) > at > javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2327) > at > javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:279) > at > javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:248) > at org.apache.cassandra.tools.NodeProbe.connect(NodeProbe.java:137) > at org.apache.cassandra.tools.NodeProbe.<init>(NodeProbe.java:107) > at org.apache.cassandra.tools.NodeCmd.main(NodeCmd.java:511) > Caused by: java.net.ConnectException: Connection refused > at java.net.PlainSocketImpl.socketConnect(Native Method) > at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) > at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213) > at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200) > at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432) > at java.net.Socket.connect(Socket.java:529) > at java.net.Socket.connect(Socket.java:478) > at java.net.Socket.<init>(Socket.java:375) > at java.net.Socket.<init>(Socket.java:189) > at > sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:22) > at > sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:128) > at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:595) > ... 10 more >
