[Resolvido]Erro ao executar programa RMI

java.rmi.ConnectException: Connection refused to host: 10.1.1.7; nested exception is: 
	java.net.ConnectException: Connection refused: connect
	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)
	at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:306)
	at sun.rmi.registry.RegistryImpl_Stub.rebind(Unknown Source)
	at java.rmi.Naming.rebind(Naming.java:160)
	at rmi.ServidorCalculadora.main(ServidorCalculadora.java:9)
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
	at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
	at java.net.Socket.connect(Socket.java:519)
	at java.net.Socket.connect(Socket.java:469)
	at java.net.Socket.<init>(Socket.java:366)
	at java.net.Socket.<init>(Socket.java:179)
	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:569)
	... 6 more

import java.rmi.Naming;

public class ServidorCalculadora {

	public static void main(String args[]){
		try { 
			Naming.rebind ("calculadora", new CalculadoraRemoto());
			System.out.println ("Servidor Pronto!");
		} catch (Exception e) {
			e.printStackTrace();
		}		
	}
}