from cassandra-env.sh: # add this if you're having trouble connecting: # JVM_OPTS="$JVM_OPTS -Djava.rmi.server.hostname=<public name>" # # see # http://blogs.sun.com/jmxetc/entry/troubleshooting_connection_problems_in_jconsole # for more on configuring JMX through firewalls, etc. (Short version: # get it working with no firewall first.)
On Fri, Apr 8, 2011 at 6:17 PM, Mengchen Yu <yum...@umail.iu.edu> wrote: > I use version 0.7.4, I've done something like this: > 1. I ssh to my Eucalyptus account and applied 1 instance, got a public > IP and a internal IP. > 2. I scp the tar ball of apache-cassandra-0.7.4-bin.tar.gz to root of > my instance, unzip it and create directories > 3. I run /bin/cassandra -f, everything is fine. > 4 I run cassandra-cli in another terminal (on the same instance), link > to localhost, everything is fine. > 5 I run nodetools -h <MY PUBLIC IP> ring, when I hit enter, the > machine became idle, there is no feedback. > 6 So I run nodetools -h <MY INTERNAL IP> ring, I got a very long error: > > Error connection to remote JMX agent! > java.io.IOException: Failed to retrieve RMIServer stub: > javax.naming.ServiceUnavailableException [Root exception is > java.rmi.ConnectException: Connection refused to host: **.**.**.**; > nested exception is: > java.net.ConnectException: Connection refused] > 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:137) > at org.apache.cassandra.tools.NodeProbe.<init>(NodeProbe.java:107) > at org.apache.cassandra.tools.NodeCmd.main(NodeCmd.java:511) > Caused by: javax.naming.ServiceUnavailableException [Root exception is > java.rmi.ConnectException: Connection refused to host: **.**.**.**; > nested exception is: > java.net.ConnectException: Connection refused] > 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.ConnectException: Connection refused to host: > **.**.**.**; nested exception is: > java.net.ConnectException: Connection refused > at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:619) > 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.ConnectException: Connection refused > 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:546) > at java.net.Socket.connect(Socket.java:495) > at java.net.Socket.<init>(Socket.java:392) > at java.net.Socket.<init>(Socket.java:206) > 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 > > I have seen a topic about similar nodetool error, but my JMX_PORT is > already 8080. > Thanks in advance. > > Mengchen Yu > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
