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https://issues.apache.org/jira/browse/CASSANDRA-3621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13168460#comment-13168460
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Brandon Williams commented on CASSANDRA-3621:
---------------------------------------------
You most likely have a hostname resolution problem where the system's hostname
still resolves to the old IP.
> nodetool is trying to contact old ip address
> --------------------------------------------
>
> Key: CASSANDRA-3621
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3621
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.8.8
> Environment: java 1.6.26, linux
> Reporter: Zenek Kraweznik
>
> My cassandra used to have adresses in 10.0.1.0/24 adresses, I moved it to
> 10.0.2.0/24 network (for security resons).
> I want to test new cassandra before upgrading production instances. I've made
> snapshot and moved it to test servers (except system/LocationInfo* files).
> Changes in configuration: ip adresses (seeds, listen address etc), cluster
> name. Test server are in 10.0.1.0/24 network.
> In logs I see that test nodes are seeing each other, but when i try to show
> ring I get this error:
> casstest1:/# nodetool -h 10.0.1.211 ring
> Error connection to remote JMX agent!
> java.rmi.ConnectIOException: Exception creating connection to: 10.1.0.201;
> nested exception is:
> java.net.NoRouteToHostException: No route to host
> at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:614)
> 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:2329)
> 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:140)
> at org.apache.cassandra.tools.NodeProbe.<init>(NodeProbe.java:110)
> at org.apache.cassandra.tools.NodeCmd.main(NodeCmd.java:582)
> Caused by: java.net.NoRouteToHostException: No route to host
> 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:366)
> 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
> casstest1:/#
> Old production adresses in 10.0.1.0/24 were: 10.0.1.201, 10.0.1.202,
> 10.0.1.203
> New adresses for tests: 10.0.1.211, 10.0.1.212, 10.0.1.213
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