ARGENT:error in java.exe operating server (after updating remote dbase)

Question

Hello,
I am getting big trouble in java.exe which is running server program.
interface : swings
windows: NT 4.0
database: MS access97
jdk 1.3 (jsdk2)
Dr. watson of NT reporting the error in java.exe(of server) that application error has occured and this is happening every time after i update or write something into the database. Currently i am doing it on localhost m/c.Error: "the instruction at "0x77b3cd19"
referenced memory at 0x77b3cd19".The memory could be read/"
//server code
import java.rmi.*;
import java.rmi.server.*;
public class LoginServer {
public LoginServer() {
try {
Login c = new LoginImpl();
Naming.rebind("login", c);
} catch (Exception e) {
System.out.println("Trouble: " + e);
public static void main(String args[]) {
new LoginServer();
//Remote functions implementation
import java.rmi.*;
import java.rmi.server.*;
import java.sql.*;
public class LoginImpl extends UnicastRemoteObject implements Login
public LoginImpl() throws RemoteException
super();
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver").newInstance();
} catch(Exception e) { System.err.print("Exception: ");
System.err.println(e.getMessage());}
//register new user take name and password as arguement and creates
// new user and set status OFF (ie user not logged in)
public int NewUser(String n,String p) throws RemoteException
String url = "jdbc:odbc:Authentic";
int i=2;
Connection con;
Statement stmt;
ResultSet rs;
try {
con = DriverManager.getConnection(url, "anything", "anything");
stmt=con.createStatement();
rs = stmt.executeQuery("SELECT NAME FROM TAUTHENTIC");
while (rs.next()) {
String nam = rs.getString("NAME");
if((n.equalsIgnoreCase(nam)))
i=1;
rs.close();
stmt.close();
con.close();
break;
f (i==2) {
stmt.executeUpdate("INSERT INTO TAUTHENTIC "+"VALUES'"+n+"','"+p+"','OFF')");
i=3;
rs.close();
stmt.close();
con.close();
} catch(SQLException ex) {
System.err.println("SQLException: " + ex.getMessage());
return i;
//verifying usre and password and then checking status if off turns on else cant verify.
public int VerifyUser(String s,String p) throws RemoteException
{ int i=0;
String url="jdbc:odbc:Authentic";
String status="OFF";
Connection con;
Statement stmt;
ResultSet rs;
try {
con = DriverManager.getConnection(url, "anything", "anything");
stmt=con.createStatement();
rs = stmt.executeQuery("SELECT NAME, PASSWORD, STATUS FROM AUTHENTIC");
while (rs.next()) {
String nam = rs.getString("NAME");
String pas = rs.getString("PASSWORD");
String sta=rs.getString("STATUS");
if((s.equalsIgnoreCase(nam))&&(p.compareTo(pas)==0))
if(status.compareTo(sta)!=0)
{i=5; break;}
if((s.equalsIgnoreCase(nam))&&(p.compareTo(pas)==0)&&(status.compareTo(sta)==0))
System.out.println("Hi " +nam + " you are in our stock program now");
i=1;
break;
if(i==0)
System.out.println("Sorry either user dont exist or invalid user name or password");
rs.close();
stmt.close();
con.close();
} catch(SQLException ex) {
System.err.println("SQLException: " + ex.getMessage());
return i;
//changes status each time user logged in or logged off
public void cstatus(String name,String status) throws RemoteException
String url="jdbc:odbc:Authentic";
Connection con;
Statement stmt;
try {
con = DriverManager.getConnection(url, "anything", "anything");
stmt=con.createStatement();
stmt.executeUpdate("UPDATE TAUTHENTIC SET STATUS ='" + status + "' WHERE NAME LIKE '" + name + "'");
stmt.close();
con.close();
catch(Exception ex){ System.out.println("Exception: "+ex.getMessage());}
i have used swings to call these functions. Updation is happwning but also bringing runtime server application halt.
//if u need i can mail u my GUI client file from where i am making my RMI connections. my email is [email protected]. Please reply back as soon as possible as i am working on a java project of software agents and have to complete it by this month.
thanx and bye for now

Answer 1

Format this mess.
http://forum.java.sun.com/faq.jsp#format