#> java -jar opennms-remote-poller-1.3.2-jar-with-dependencies.jar rmi://<server_ip> HQ
[...]
2007-03-08 18:11:58,720 WARN  [main] org.springframework.remoting.rmi.RmiProxyFactoryBean: Could not connect to RMI service [rmi://<server_ip>/pollerBackEnd] - retrying
Exception in thread "main" org.springframework.remoting.RemoteConnectFailureException: Cannot connect to remote service [rmi://<server_ip>/pollerBackEnd]; nested exception is java.rmi.ConnectException: Connection refused to host: 127.0.1.1; nested exception is: 
        java.net.ConnectException: Connection refused
Caused by: java.rmi.ConnectException: Connection refused to host: 127.0.1.1; nested exception is: 
        java.net.ConnectException: Connection refused
        at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:574)
        at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:185)
        at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:171)