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From Apache Wiki <>
Subject [Cassandra Wiki] Update of "JmxGotchas" by EricEvans
Date Mon, 05 Apr 2010 22:27:26 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Cassandra Wiki" for change notification.

The "JmxGotchas" page has been changed by EricEvans.
The comment on this change is: misplaced material excised from RunningCassandra.


New page:
 * If you run into issues connecting via jconsole to the JmxInterface port from a remote machine,
it may be the JVM option '-Djava.rmi.server.hostname'.  This may need to be set to a particular
interface like '-Djava.rmi.server.hostname=$IP' (where $IP is the ip address of the interface
you can reach from the remote machine).  Java defaults to the ip address of "localhost" which
is mostly likely not what you want.
 * You may also run into issues connecting to the JMX interface (even locally) because by
default JMX binds to IPv6 if it's available (netstat -nap | grep 8080).  This case is also
solved by passing '-Djava.rmi.server.hostname=$IP' explicitly as a JVM option.  This will
prompt JMX to bind to the given IPv4 IP address so that nodetool can access it.

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