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From Chris Were <chris.w...@gmail.com>
Subject Configuring multiple nodes
Date Sat, 19 Sep 2009 23:35:08 GMT
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

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