RMI Fail

import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.math.BigDecimal;
import compute.Compute;
import java.util.Properties;
import java.io.FileInputStream;

public class ComputePi {
    private static String sysPropsFile = "uk/org/client/Properties.txt";
    private static String clientPolicyFileDefault = "uk/org/client/client.policy";

    public static void run( String regHost, String precision ) {
        setSystemProps();
        if(System.getSecurityManager() ==  null) {
            System.setSecurityManager(new SecurityManager());
        }
        try {
            String name = "Compute";
            Registry registry = LocateRegistry.getRegistry(regHost);
            Compute comp = (Compute) registry.lookup(name);
            Pi task = new Pi(Integer.parseInt(precision));
            BigDecimal pi = comp.executeTask(task);
            System.out.println(pi);
        } catch(Exception e) {
            System.err.println("ComputePi exception.");
            e.printStackTrace();
        }
    }

    /**
        Normally set at runtime, these properties
        tell the app where things are and what to use for RMI
    **/
    public static void setSystemProps() {
            Properties p = new Properties(System.getProperties());
        try {
            // Find the sys props file
            String f = Thread.currentThread().getContextClassLoader().getResource(sysPropsFile).getFile();

            // Loads the sys props from a file
                FileInputStream propFile = new FileInputStream( f );
                p.load(propFile);

        } catch(Exception e) {
            System.err.println("Error: Failed to load client properties.");
            e.printStackTrace();
            System.err.println("Setting default properties...");

            // Set defaults
            p.setProperty("java.rmi.server.codebase","http://10.0.0.243:9876/smartmeters/classes/");
        }

        // Find the client policy
        String clientPolicyFile = p.getProperty("java.security.policy");

        try {
            // Find the sys props file
            String cf = Thread.currentThread().getContextClassLoader().getResource(clientPolicyFileDefault).getFile();
            if(cf==null)
                System.err.println("Warning: Failed to find the client policy file.");
            else
                clientPolicyFile = cf;
        } catch(Exception e) {
            e.printStackTrace();
        }

        p.setProperty("java.security.policy",clientPolicyFile);

        // set the system properties
            System.setProperties(p);

            // display new properties
            //System.getProperties().list(System.out);
    }

    public static void testThisThing() {
        System.out.println("COMPUTEPI.TEST SUCCESS!");
    }

}