You haven't started the Registry. LocateRegistry.getRegistry()
doesn't do that. See the Javadoc. Try createRegistry(),
but make sure to store the result in a static variable.
Java RMI server connection refused
Question
RMI interface:
import java.io.File;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.util.List;
public interface RMIinterface extends Remote
{
void getTrees() throws RemoteException;
}
Server class:
import java.io.File;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.server.UnicastRemoteObject;
import java.util.List;
public class Server implements RMIinterface{
List<File> server_file_tree, server_folder_tree;
@Override
public void getTrees() throws RemoteException {
// TODO Auto-generated method stub
server_file_tree = Shared.getFileTree(Shared.serverRoot);
server_folder_tree = Shared.getFolderTree(Shared.serverRoot);
}
public static void main (String args[])
{
try
{
Server server = new Server();
RMIinterface stub = (RMIinterface) UnicastRemoteObject.exportObject(server, 0);
Registry reg = LocateRegistry.getRegistry();
reg.bind("get_trees", stub);
System.out.println("Server ready.");
}catch (Exception e)
{
System.out.println("Server exception: " + e.toString());
e.printStackTrace();
}
}
}
Exception:
java.rmi.ConnectException: Connection refused to host: 127.0.1.1; nested exception is:
java.net.ConnectException: Connection refused
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: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:341)
at sun.rmi.registry.RegistryImpl_Stub.bind(Unknown Source)
at Server.main(Server.java:27)
Caused by: java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:579)
at java.net.Socket.connect(Socket.java:528)
at java.net.Socket.<init>(Socket.java:425)
at java.net.Socket.<init>(Socket.java:208)
at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:147)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
... 5 more
Hosts file:
127.0.0.1 localhost
127.0.1.1 dereaper-G73Jh
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
Why am I getting this exception and what can I do about it?
La solution
Autres conseils
In the Server Class:
Put
System.setProperty("java.rmi.server.hostname","ipaddress");
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