Hi, I am having issues getting two cassandra instances to communicate. - ListenAddress on each machine to their respective public IP addresses. - Seeds has an entry for both public IP addresses. - I have opened up iptables for ports 9160, 7000, 7001, 8888 (not sure which ones really need to be opened, so did every port I could see)
Running nodeprobe on 192.168.0.101, looking at it's server ie: $ cassandra/bin/nodeprobe -host 192.168.0.101 ring Only shows 192.168.0.101 Running nodeprobe on 192.168.0.101, looking at the second server ie: $ cassandra/bin/nodeprobe -host 192.168.0.102 ring Results in the following error Error connecting to remote JMX agent! java.io.IOException: Failed to retrieve RMIServer stub: javax.naming.CommunicationException [Root exception is java.rmi.ConnectIOException: Exception creating connection to: 192.168.0.102; nested exception is: java.net.NoRouteToHostException: No route to host] at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:342) at javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:267) at org.apache.cassandra.tools.NodeProbe.connect(NodeProbe.java:152) at org.apache.cassandra.tools.NodeProbe.<init>(NodeProbe.java:114) at org.apache.cassandra.tools.NodeProbe.main(NodeProbe.java:545) Caused by: javax.naming.CommunicationException [Root exception is java.rmi.ConnectIOException: Exception creating connection to: 192.168.0.102; nested exception is: java.net.NoRouteToHostException: No route to host] at com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:118) at com.sun.jndi.toolkit.url.GenericURLContext.lookup(GenericURLContext.java:203) at javax.naming.InitialContext.lookup(InitialContext.java:409) at javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(RMIConnector.java:1902) at javax.management.remote.rmi.RMIConnector.findRMIServer(RMIConnector.java:1871) at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:276) ... 4 more Caused by: java.rmi.ConnectIOException: Exception creating connection to: 192.168.0.102; nested exception is: java.net.NoRouteToHostException: No route to host at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:632) at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216) at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202) at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:340) at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source) at com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:114) ... 9 more Caused by: java.net.NoRouteToHostException: No route to host at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:310) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:176) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:163) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:384) at java.net.Socket.connect(Socket.java:542) at java.net.Socket.connect(Socket.java:492) at java.net.Socket.<init>(Socket.java:389) at java.net.Socket.<init>(Socket.java:203) at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40) at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:146) at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613) ... 14 more What have I missed? Cheers, Chris
