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Exception --help

iyappan sankaran
Ranch Hand

Joined: Aug 11, 2003
Posts: 58
hai
i have bank,store,client application.
client interact with store .store interact with bank and bank
intercat with client.

1.rmiregistry
2.bank
up to this no problem

3.store
then i got this exception

Remote Exception: java.rmi.ConnectException: Connection refused to host: localhost; nested exception is:
java.net.ConnectException: Connection refused

4.applet
then i got this error
java.security.AccessControlException: access denied (java.net.SocketPermission null resolve)

*************************
bank code
**********
import java.io.IOException;
import java.net.MalformedURLException;
import java.rmi.server.*;
import java.rmi.*;

public class BankSystemServer {

// public No-argument constructor
public BankSystemServer() {
}

public static void main(String args[]) {

new BankSystemServer();
String bankHost;
String bankPort;
String bankService;

BankManager bm = null;
bankHost = "localhost";
bankPort = "8099";

System.setSecurityManager (new RMISecurityManager() {
public void checkConnect (String host, int port) {}
public void checkConnect (String host, int port, Object context) {}
});

//if (System.getSecurityManager() == null)
//{ System.setSecurityManager(new RMISecurityManager()); }

try {
// Create a BankManager object
bm = new BankManagerImpl();

// Export it to RMI
UnicastRemoteObject.exportObject( bm );

} catch (RemoteException remoteException) {
System.err.println("Failure during object export to RMI: " + remoteException);
}

// Register an external name for the service
try {
Naming.rebind("//" + bankHost + "/BankSystem", bm);
} catch (RemoteException remoteException) {

System.err.println("Failure during Name registration: " + remoteException);

} catch (MalformedURLException malformedException) {

System.err.println("Failure during Name registration: " + malformedException);
}

System.out.println("Bank System Server started.");
System.out.println("Enter <CR> to end.");

try {
int i = System.in.read();
} catch (IOException ioException) {
}

System.exit(0);
}
}

******************8
store server
**************
//File:StoreServer.java
//Purpose:main program of store server
import java.io.IOException;
import java.rmi.*;
import java.rmi.server.UnicastRemoteObject;
import java.net.MalformedURLException;

public class StoreServer {



//constructor
public StoreServer() {

}

public static void main(String args[]) {

String storeHost;
String storePort;
String storeType;
String bankHost;
String bankPort;

// an instance of itself
new StoreServer();

StoreManager sm = null;


/*storeHost = args[0];
storePort = args[1];
storeType = args[2];
bankHost = args[3];
bankPort = args[4];*/


//if(storeHost==null)
storeHost = "localhost";
//if(storePort==null)
storePort = "9099";
//if(storePort==null)
storeType = "GiftStore";
bankHost="localhost";
bankPort="8099";

System.setSecurityManager (new RMISecurityManager() {
public void checkConnect (String host, int port) {}
public void checkConnect (String host, int port, Object context) {}
});

try { //sm: store service creation

// Create a StoreManager object
sm = new StoreManagerImpl(storeType, bankHost, bankPort);

// Export them to RMI
UnicastRemoteObject.exportObject( sm );

} catch (RemoteException remoteException) {
System.err.println(
"StoreServer: Failure during object export to RMI: " +
remoteException);
}

// Register an external name for the store services
try {
Naming.rebind("//"+ storeHost +"/" + storeType, sm);

} catch (RemoteException remoteException) {

System.err.println(
"StoreServer: Failure during Name registration: " +
remoteException);

} catch (MalformedURLException malformedException) {

System.err.println(
"StoreServer: Failure during Name registration: " +
malformedException);
}

System.out.println(storeType + " Server started.");
System.out.println("Enter <CR> to end.");

try {
int i = System.in.read();
} catch (IOException ioException) {
}
System.exit(0);
}
}
***********8
client
**************
//File:StoreShopperApplet.java
//Purpose:user interface for shopper as a client to access store

import java.applet.*;
import java.awt.*;
import java.awt.event.*;

import java.rmi.*;
import java.net.MalformedURLException;
import java.io.IOException;
import java.rmi.server.UnicastRemoteObject;
import java.net.MalformedURLException;

public class StoreShopperApplet extends Appletimplements ActionListener {



//GUI
String host;
Button button1; //gift store
Button button2; //book store
TextArea display;
String newline;
Font fn;


//rmi host cfg to get from html
private final String storeHostParam1 = "giftstorehost";
private final String storePortParam1 = "giftstoreport";
private final String storeService1 = "GiftStore";
private final String storeHostParam2 = "bookstorehost";
private final String storePortParam2 = "bookstoreport";
private final String storeService2 = "BookStore";
private final String shoppingHost = "shoppinghost";
private final String shoppingService = "shoppingserver";
private final String shoppingPort = "shoppingport";

String storeHostValue1;
String storeHostValue2;
String storePortValue1;
String storePortValue2;
String shoppingHostValue;
String shoppingServiceValue;
String shoppingPortValue;

//thread mem
ShopperThrdFrame thread1;
ShopperThrdFrame thread2;

ShopperConFrame m_Confirm1;
ShopperConFrame m_Confirm2;

//rmi shopper server
ShoppingManager shm = null;



//{member methods:

// the entry point for the applet
public void init() {


//init GUI
initForm();
usePageParams();

//any other constructor code

//start shopperServer
//applet doesn't need to set up security manager.
try {
// Create a ShoppingManager object
shm = new ShoppingManagerImpl(this);

// Export it to RMI
UnicastRemoteObject.exportObject( shm );

} catch (RemoteException remoteException) {
display.append("ShoppingServer: Failure during object export to RMI: " +
remoteException + newline);
disableEntry();
return;
}

// Register an external name for the shopping service
try {

Naming.rebind("//" + shoppingHostValue + "/" + shoppingServiceValue, shm);

} catch (RemoteException remoteException) {

display.append(shoppingServiceValue +" Failure during Name registration: " +
remoteException + newline);
disableEntry();
return;

} catch (MalformedURLException malformedException) {
display.append(shoppingServiceValue+" Failure during Name registration: " +
malformedException + newline);
disableEntry();
return;
}


//Create two frames to be prepared for bank confirmation
m_Confirm1 = new ShopperConFrame(this, storeService1);

m_Confirm2 = new ShopperConFrame(this, storeService2);

display.append( shoppingServiceValue + " started. Please click on buttons to enter stores."
+ newline);
}

//disable buttons to enter stores
private void disableEntry() {
button1.setEnabled(false);
button2.setEnabled(false);
}

// read parameters from the applet's HTML host and sets applet
// properties

private void usePageParams() {

//read in the parameters from html shopper.html

storeHostValue1 = getParameter(storeHostParam1);
storePortValue1 = getParameter(storePortParam1);
storeHostValue2 = getParameter(storeHostParam2);
storePortValue2 = getParameter(storePortParam2);
shoppingHostValue = getParameter(shoppingHost);
shoppingServiceValue = getParameter(shoppingService);
shoppingPortValue = getParameter(shoppingPort);
}

//init values for the applet and its componets
void initForm() {

this.setBackground(Color.lightGray);
this.setForeground(Color.black);

//font
fn = new Font("TimesRoman", Font.BOLD + Font.ITALIC, 25);

//layout components
GridBagLayout gridBag = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
setLayout(gridBag);
setFont(new Font("TimesRoman", Font.PLAIN, 15));

display = new TextArea(10, 60);
display.setEditable(false);
c.gridy = 80;
c.gridwidth = GridBagConstraints.REMAINDER;
c.fill = GridBagConstraints.BOTH;
gridBag.setConstraints(display, c);
this.add(display);

button1 = new Button("Gift Store");
c.fill = GridBagConstraints.BOTH;
c.gridwidth = 1;
c.gridy = 140;
c.weightx = 1.0;
gridBag.setConstraints(button1, c);
button1.addActionListener(this);
this.add(button1);

button2 = new Button("Book Store");
c.fill = GridBagConstraints.BOTH;
c.weightx = 1.0;
c.gridwidth = GridBagConstraints.REMAINDER;
gridBag.setConstraints(button2, c);
button2.addActionListener(this);
this.add(button2);
newline = System.getProperty("line.separator");

}

public void paint(Graphics g) {

g.setFont(fn);
g.setColor(Color.green);

g.drawString("WELCOME TO RMI E-STORES", 20, 20);
}

//action listener
public void actionPerformed(ActionEvent e) {

if(e.getActionCommand() == "Gift Store") {
display.append("Received your request to Gift store on " +
storeHostValue1 + " port " + storePortValue1 + newline);

//in case user clicks it again
button1.setEnabled(false);

//Create a thread and a dialog for Giftstore
thread1 = new ShopperThrdFrame(this, storePortValue1,
storeService1,
storeHostValue1);

thread1.start();

}

if(e.getActionCommand() == "Book Store") {
display.append("Received your request to Book store on " +
storeHostValue2 + " port " + storePortValue2 + newline);

//in case user clicks it again
button2.setEnabled(false);

//Create a thread and a dialog for Furniture Store
thread2 = new ShopperThrdFrame(this, storePortValue2,
storeService2,
storeHostValue2);

thread2.start();

}
}

//finalize
private void mfinalize( ) {

//when it exits, clean up threads!

}

}

******************8
pls help me (urgent)
William Brogden
Author and all-around good cowpoke
Rancher

Joined: Mar 22, 2000
Posts: 12769
    
    5
You are going to have to solve 3 first:

It doesn't make any sense to show us the applet code when the store can't create a connection.
What address is store trying to use to connect? You can only use "localhost" when all parts of the system are on the same computer.
Bill
iyappan sankaran
Ranch Hand

Joined: Aug 11, 2003
Posts: 58
yes,
Initially all the hosts are loaclhost.
 
I agree. Here's the link: http://aspose.com/file-tools
 
subject: Exception --help