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RMI

3 replies on 1 page. Most recent reply: Jan 10, 2003 6:02 AM by Ugo Posada

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geethavasan

Posts: 12
Nickname: geetha
Registered: Dec, 2002

RMI

Posted: Jan 8, 2003 11:14 PM

hi,
when i execute my client program i am getting the following error.hello client exceptionjava.rmi.NotBoundException: HelloServer

my programs are

//HelloInterface.java
import java.rmi.*;

public interface HelloInterface extends Remote
{
public String sayHello() throws java.rmi.RemoteException;
}

//HelloServer.java

import java.rmi.*;
import java.io.*;
import java.rmi.server.UnicastRemoteObject;
import java.util.*;

public class HelloServer extends UnicastRemoteObject implements HelloInterface
{
public HelloServer() throws RemoteException
{
super();
}

public String sayHello() throws RemoteException
{
return "Hello world , the current system time is " + new Date();
}
}

//HelloClient.java

import java.rmi.*;

public class HelloClient
{
public static void main(String args[])
{
if(System.getSecurityManager() == null)
System.setSecurityManager(new RMISecurityManager());

try
{
HelloInterface obj = (HelloInterface) Naming.lookup("HelloServer");
String message = obj.sayHello();
System.out.println(message);
}
catch (Exception e)
{
System.out.println("hello client exception" + e);
}
}
}

//RegisterIt.java

import java.rmi.*;

public class RegisterIt
{
public static void main(String args[])
{
try
{
HelloServer obj = new HelloServer();
System.out.println("object instantitation" +obj);
Naming.rebind("HelloServer",obj);
System.out.println("HelloServer bound in registry");
}
catch(Exception e)
{
System.out.println(e);
}
}
}

i have generated stubs giving the command as
rmic-v1.2 HelloServer

i have set permissions in java policy file also.

plz help me in finding out what would be the error.

i have also given the command as
rmiregistry -J-Djava.security.policy=registerit.policy

plz help me.

thanks in advance

regards
geetha

Arun

Posts: 2
Nickname: kichu
Registered: Jan, 2003

Re: RMI

Posted: Jan 9, 2003 5:13 AM

Hi Geetha

Check the URL that u are pointing to and the port, See if this is free or no.

geethavasan

Posts: 12
Nickname: geetha
Registered: Dec, 2002

Re: RMI

Posted: Jan 9, 2003 11:24 PM

> Hi Geetha
>
> Check the URL that u are pointing to and the port, See if
> this is free or no.

Hi Arun,
thanks a lot for replying.
but i have set the code base permissions to all permission in java policy file.

Ugo Posada

Posts: 37
Nickname: binaryx
Registered: Dec, 2002

Re: RMI

Posted: Jan 10, 2003 6:02 AM

Guys, remember to enclose your Java code between the

and

tags, that provide syntax coloring so the source code is easier to read.

later

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