RMI Client Hang Please Help

hi all
i got a RMI server and client app, im trying to call remote method from server to client. the problem is wen client A already exist and client B call the login method and server check if ID is already exist, if ID is already exist ,server then reject client B returning message say ex: "ID already exist" then server should send call a remote method to client A and disconnect client A by bringing client A back to login window and remove client A from user list on server side. And the client get to the login window and got remove from userlist on the server while client B hang(crashed) at login window, wont be able to do anything unless client A is shutdown. then client B display the message "ID already exist".here is some of the code:
Server:
Iterator iter = operator.iterator();
 User user = null;
 while(iter.hasNext())
 user = (User)iter.next();
 String name = (String)user.getNameID();
 if(name.equals(userName)){
 pass = "User already exist";
 try{
 user.getListener().disConnectUser(); remote method call to client
 iter.remove();break;
 catch(ConnectException e){
 iter.remove();break;
 catch(RemoteException ei){
 iter.remove();break;
Client: //client call that interface and rewrite the method
DealerInterfaceListener remoteListener = new DealerInterfaceListener(){
 public void disConnectUser()
 JOptionPane.showMessageDialog(mainPan, "<html>You Have Been Disconnected By Server: Someone Just Loged On With This ID</html>", "Caution", 1);
login.startLogin(); //back to login window
 }

I'm not sure that this is your whole problem, but note that you are calling Swing code from a remote method invocation. This isn't allowed, you can only call swing code from an event thread. So try, in your client, doing:
SwingUtilities.invokeLater(new Runnable() {
public void run() {
doGuiStuff();
This should always return immediately, which is what you want, and the GUI stuff will be done in a swing event thread, so you won't get any weird race conditions.

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%% No cached client session
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RandomCookie: GMT: 1005755098 bytes = { 7, 203, 184, 206, 249, 120, 35, 155, 160, 131, 72, 68, 12, 35, 64, 75, 63, 202, 161, 95, 42, 130, 74, 248, 145, 108, 49, 189 }
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[write] MD5 and SHA1 hashes: len = 59
0000: 01 00 00 37 03 01 3C F3 9B DA 07 CB B8 CE F9 78 ...7..<........x
0010: 23 9B A0 83 48 44 0C 23 40 4B 3F CA A1 5F 2A 82 #...HD.#@K?.._*.
0020: 4A F8 91 6C 31 BD 00 00 10 00 05 00 04 00 09 00 J..l1...........
0030: 0A 00 12 00 13 00 03 00 11 01 00 ...........
SbATAOutAdapter, WRITE: SSL v3.1 Handshake, length = 59
[write] MD5 and SHA1 hashes: len = 77
0000: 01 03 01 00 24 00 00 00 20 00 00 05 00 00 04 01 ....$... .......
0010: 00 80 00 00 09 06 00 40 00 00 0A 07 00 C0 00 00 .......@........
0020: 12 00 00 13 00 00 03 02 00 80 00 00 11 3C F3 9B .............<..
0030: DA 07 CB B8 CE F9 78 23 9B A0 83 48 44 0C 23 40 ......x#...HD.#@
0040: 4B 3F CA A1 5F 2A 82 4A F8 91 6C 31 BD K?.._*.J..l1.
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0000: 01 00 00 37 03 01 3C F3 9C 97 08 97 2D 4B 56 A4 ...7..<.....-KV.
0010: 8D 34 D8 91 51 18 9D D7 F6 CE 57 53 99 29 58 26 .4..Q.....WS.)X&
0020: 03 77 BE 0D 00 1C 00 00 10 00 05 00 04 00 09 00 .w..............
0030: 0A 00 12 00 13 00 03 00 11 01 00 ...........
SbATAOutAdapter, WRITE: SSL v3.1 Handshake, length = 59
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0000: 01 03 01 00 24 00 00 00 20 00 00 05 00 00 04 01 ....$... .......
0010: 00 80 00 00 09 06 00 40 00 00 0A 07 00 C0 00 00 .......@........
0020: 12 00 00 13 00 00 03 02 00 80 00 00 11 3C F3 9C .............<..
0030: 97 08 97 2D 4B 56 A4 8D 34 D8 91 51 18 9D D7 F6 ...-KV..4..Q....
0040: CE 57 53 99 29 58 26 03 77 BE 0D 00 1C .WS.)X&.w....
SbATAOutAdapter, WRITE: SSL v2, contentType = 22, translated length = 16310
SbATAOutAdapter, READ: SSL v3.1 Handshake, length = 74
*** ServerHello, v3.1
RandomCookie: GMT: 1005755466 bytes = { 145, 7, 69, 98, 152, 52, 222, 159, 96, 162, 220, 85, 77, 107, 82, 203, 25, 94, 208, 124, 2, 245, 96, 208, 224, 254, 139, 206 }
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Cipher Suite: { 0, 5 }
Compression Method: 0
%% Created: [Session-1, SSL_RSA_WITH_RC4_128_SHA]
** SSL_RSA_WITH_RC4_128_SHA
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E72 EMail Client hanging :( Please helppp

Following are the issues that I am facing since the upgrade of my E72-1 FW from 031 to 051:-
I have configured Gmail IMAP on my mobile but now it often hangs the application after few hours and I cannot receive any emails. The only solution is to reboot the phone.
I have Mail for Exchange also, it never faces any issues, But now I often face a delay of few minutes before I can access the latest EMail from my mailbox on the server.
For some reason my Nokia Messaging Account has been cancelled, Not sure why... So I am unable to access Yahoo Email as well.
So the major issue that I am facing is Hanging of the EMAIL application.
Steps that I have performed till now:-
Hard Formatted my phone when it was at FW 031.
Then installed FW 051.
Again formatted the phone.
Restored Default Settings
Formated the MMC card
Then installed couple of apps and configured the EMAIL.
Please let me know incase others are also facing this EMAIL hang issue.

unfortunately the newest firmware release for the e72 and e71 was botched IMO. that is why you are having email issues like that.
you will have to deal with it until there is another update as you cannot go backwards in the firmware.
regarding your NM account...i had mine "mysteriously" disappear too. found out it had to be randomly deleted from thier server. i had two yahoo email addresses attached to it too.
now, after creating a new NM account, which isnt that big a deal, i cannot add the yahoo accounts even from my phone or the web. i have spent hours with nokia on the phone working on this alone.

Rmi Database communication(Please help)

sir
i am trying to return a result set object to a client using rmi.but does not working properly it shows number of exception.but connection is established through it.
here is the coding of Implementation class.plese give me asolution as early as posssible
IMPLEMENTATION CLASS
import java.rmi.*;
import java.rmi.server.*;
import java.io.*;
import java.sql.*;
public class scmimpl extends UnicastRemoteObject implements scmintf,Serializable
 private ResultSet rs=null;
ResultSet rs1=null;
ObjectOutputStream os;
private Statement st=null;
private Connection con=null;
public scmimpl() throws RemoteException,IOException
public boolean Connect() throws RemoteException
 try{
 Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
 con=DriverManager.getConnection("jdbc:odbc:mn1","scott","tiger");
 con.setAutoCommit(false);
 st=con.createStatement();
 return true;
 }catch(Exception e)
 return false;
public ResultSet Quest(String s) throws RemoteException,IOException,NotSerializableException,WriteAbortedException,MarshalException
try{
rs=st.executeQuery(s);
return rs;
catch(Exception e)
 System.out.println("error---->"+e);
 return rs=null;
public boolean Close()
try{
rs1.close();
}catch(Exception ex){}
return(true);
public int Update(String s)
int bl=0;
try{
bl=st.executeUpdate(s);
catch(Exception ex)
{System.out.println(""+ex);}
return bl;
public boolean Cancel()
try{
con.rollback();
return true;
catch(Exception e){return false;}
public boolean Submit()
try{
con.commit();
return true;
catch(Exception e){return false;}
INTERFACE CLASS
import java.rmi.*;
import java.sql.*;
import java.io.*;
public interface scmintf extends Remote
 boolean Connect() throws RemoteException,IOException;
 ResultSet Quest(String s) throws RemoteException,IOException,WriteAbortedException,WriteAbortedException;
 int Update(String s1) throws RemoteException;
 boolean Close() throws RemoteException;
 boolean Cancel() throws RemoteException;
 boolean Submit() throws RemoteException;
SERVER PROGRAM
import java.rmi.*;
import java.net.*;
public class scmServer
 public static void main(String arg[])
 try
 scmimpl SCMimpl=new scmimpl();
 Naming.rebind("scmServer",SCMimpl);
 catch(Exception e)
CLIENT PROGRAM
import java.rmi.*;
import java.sql.*;
import java.io.*;
public class client implements Serializable
 public static void main(String arg[])
 try
 String URL="rmi://localhost/scmServer";
 scmintf SCMintf=(scmintf)Naming.lookup(URL);
 boolean f=SCMintf.Connect();
 System.out.println(""+f);
 // int n=SCMintf.Update("insert into blogin values('naveen','naveen','a')");
 // System.out.println(""+n);
 //boolean f1=SCMintf.Submit();
 ResultSet rs1=SCMintf.Quest("select username from blogin where username='naveen'");
 //FileInputStream is =new FileInputStream("c:/Sale/Working/scmClient/t.tmp");
 //ObjectInputStream p=new ObjectInputStream(is);
 //rs1=(ResultSet)p.readObject();
 //is.close();
 // os.readObject();
 }catch(Exception e){
 System.out.println(e);
 e.printStackTrace();
sir these are the exception shown by the program
EXCEPTION
java.rmi.UnmarshalException: error unmarshalling return; nested exception is: java.io.WriteAbortedException: Writing aborted by exception; java.io.NotSerializableException: sun.jdbc.odbc.JdbcOdbcResultSetjava.rmi.UnmarshalException: error unmarshalling return; nested exception is: java.io.WriteAbortedException: Writing aborted by exception; java.io.NotSerializableException: sun.jdbc.odbc.JdbcOdbcResultSetjava.io.WriteAbortedException: Writing aborted by exception; java.io.NotSerializableException: sun.jdbc.odbc.JdbcOdbcResultSet at java.lang.Throwable.<init>(Throwable.java:96) at java.lang.Exception.<init>(Exception.java:44) at java.io.IOException.<init>(IOException.java:49) at java.io.ObjectStreamException.<init>(ObjectStreamException.java:31) at java.io.WriteAbortedException.<init>(WriteAbortedException.java:45) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:451) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:242) at sun.rmi.server.UnicastRef.unmarshalValue(UnicastRef.java:304) at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:138) at scmimpl_Stub.Quest(Unknown Source) at client.main(client.java:15)Process Exit...
thanking you

I think the exception output held your answers:
java.io.WriteAbortedException: Writing aborted by exception;
... and ...
java.io.NotSerializableException: sun.jdbc.odbc.JdbcOdbcResultSet
Anything passed accross the network through RMI must be serializable ..and a ResultSet is not.
Try 'micro-managing' the results on the server side ...if that makes sense to you. Another alternative that I have tried (with ok results) is returning a two dimensional Object array ie: Object[][] that represents the ResultSet. Actually, I found that it works great.
public static class MovieCapsule implements java.io.Serializable {
 public int mode;
 public Object[] data;
 /** MovieCapsule default Constructor */
 public MovieCapsule() {
 mode = -1;
 data = null;
 /** MovieCapsule loaded Constructor
 * @param md Sets the 'mode' integer.
 * @param dta Sets the Object[] data within the MovieCapsule.
 public MovieCapsule(int md, Object[] dta) {
 mode = md;
 data = dta;
}This actually was used for a single row of results, but you get the idea. I've worked with a 2D array as well.

RMI Client Hang Please Help

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