How to solve this? java.lang.IllegalArgumentException problem

Question

The midlet compliled successfully..
Once run,
I enter 3 different records...
then after when I 'VIEW' for example I enter recordID: 1..
by right, all the details about recordId : 1 would be listed out...somehow, this error pops up.
java.lang.IllegalArgumentException
* To change this template, choose Tools | Templates
* and open the template in the editor.
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.rms.*;
* @author RyanLCC
public class cdSeller extends MIDlet implements CommandListener{
private Display display;
private Form form;
private Command add, view, update, delete, exit;
private TextField rcdId, title, quantity, price, profit, director, publish, actors;
private RecordStore rs;
private Alert alert = new Alert("New Data Added !!!");
private Alert alert1 = new Alert("Database Upated!!!");
private Alert alert2 = new Alert("Record Deleted!!!");
private Alert alert3 = new Alert("Looking Data!!!");
public cdSeller()throws RecordStoreException{
display = Display.getDisplay(this);
exit = new Command("Exit", Command.EXIT, 1);
add = new Command("Add",Command.SCREEN,2);
update = new Command("Update",Command.SCREEN,2);
delete = new Command("Delete",Command.SCREEN,2);
view = new Command("View",Command.SCREEN,2);
rcdId= new TextField("Record ID :","",5,TextField.NUMERIC);
title= new TextField("Title :","",11,TextField.ANY);
quantity= new TextField("Quantity :","",8,TextField.NUMERIC);
price= new TextField("Retail price :","",8,TextField.ANY);
profit= new TextField("Profit margin:","",8,TextField.ANY);
director= new TextField("Director :","",11,TextField.ANY);
publish= new TextField("Publisher :","",11,TextField.ANY);
actors= new TextField("Actors :","",11,TextField.ANY);
rs = RecordStore.openRecordStore("My CD Datbase Directory", true);
form = new Form("My CD Database");
form.append(rcdId);
form.append(title);
form.append(quantity);
form.append(price);
form.append(profit);
form.append(director);
form.append(publish);
form.append(actors);
form.addCommand(exit);
form.addCommand(add);
form.addCommand(update);
form.addCommand(delete);
form.addCommand(view);
form.setCommandListener(this);
public void startApp() {
display.setCurrent(form);
public void pauseApp() {
public void destroyApp(boolean unconditional) {
try {
rs.closeRecordStore();
} catch (RecordStoreException ex) {
ex.printStackTrace();
public void commandAction(Command c, Displayable d) {
alert.setTimeout(3000);
alert1.setTimeout(3000);
String str;
byte bytes[];
int recordID;
try{
if(c==add){
str = title.getString()+":"+quantity.getString()+
":"+price.getString()+":" +profit.getString()+
":"+director.getString()+":"+publish.getString ()+
":"+actors.getString();
bytes=str.getBytes();
recordID = rs.addRecord(bytes, 0, bytes.length);
System.out.println("Record of ID:"+recordID+" is added");
Display.getDisplay(this).setCurrent(alert);
}else if(c==update){
recordID = Integer.parseInt(rcdId.getString());
str = title.getString()+":"+quantity.getString()+
":"+price.getString()+":" +profit.getString()+
":"+director.getString()+":"+publish.getString ()+
":"+actors.getString();
bytes=str.getBytes();
rs.setRecord(recordID, bytes, 0, bytes.length);
Display.getDisplay(this).setCurrent(alert1);
}else if(c == delete){
recordID = Integer.parseInt(rcdId.getString());
rs.deleteRecord(recordID);
Display.getDisplay(this).setCurrent(alert2);
}else if(c == view ){
recordID = Integer.parseInt(rcdId.getString());
bytes = new byte[rs.getRecordSize(recordID)];
rs.getRecord(recordID,bytes,0);
String str1 = new String(bytes);
int index = str1.indexOf(":");
title.setString(str1.substring(0));
quantity.setString(str1.substring(1));
price.setString(str1.substring(2));
profit.setString(str1.substring(3));
director.setString(str1.substring(4));
publish.setString(str1.substring(5));
actors.setString(str1.substring(6));
}else if( c == exit){
destroyApp(true);
notifyDestroyed();
}catch(Exception e){
e.printStackTrace();
}

Answer 1

*To change this template, choose Tools | Templates*
and open the template in the editor.
*import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;*
*import javax.microedition.rms.*;
*@author RyanLCC*
public class CdSeller extends MIDlet implements CommandListener{
    private Display display;
    private Form form;
    private Command add, view, update, delete, exit;
    private TextField rcdId, title, quantity, price, profit, director, publish, actors;
    private RecordStore rs;
    private Alert alert = new Alert("New Data Added !!!");
    private Alert alert1 = new Alert("Database Upated!!!");
    private Alert alert2 = new Alert("Record Deleted!!!");
    private Alert alert3 = new Alert("Looking Data!!!");
    public CdSeller()throws RecordStoreException{
    display = Display.getDisplay(this);
    exit = new Command("Exit", Command.EXIT, 1);
    add = new Command("Add",Command.SCREEN,2);
    update = new Command("Update",Command.SCREEN,2);
    delete = new Command("Delete",Command.SCREEN,2);
    view = new Command("View",Command.SCREEN,2);
    rcdId= new TextField("Record ID     :","",5,TextField.NUMERIC);
    title= new TextField("Title         :","",11,TextField.ANY);
    quantity= new TextField("Quantity   :","",8,TextField.ANY);
    price= new TextField("Retail price  :","",8,TextField.ANY);
    profit= new TextField("Profit margin:","",8,TextField.ANY);
    director= new TextField("Director   :","",11,TextField.ANY);
    publish= new TextField("Publisher   :","",11,TextField.ANY);
    actors= new TextField("Actors       :","",11,TextField.ANY);
    rs = RecordStore.openRecordStore("My CD Datbase Directory", true);
    form = new Form("My CD Database");
    form.append(rcdId);
    form.append(title);
    form.append(quantity);
    form.append(price);
    form.append(profit);
    form.append(director);
    form.append(publish);
    form.append(actors);
    form.addCommand(exit);
    form.addCommand(add);
    form.addCommand(update);
    form.addCommand(delete);
    form.addCommand(view);
    form.setCommandListener(this);
    public void startApp() {
        display.setCurrent(form);
    public void pauseApp() {
    public void destroyApp(boolean unconditional) {
        try {
            rs.closeRecordStore();
        } catch (RecordStoreException ex) {
            ex.printStackTrace();
    public void commandAction(Command c, Displayable d) {
        alert.setTimeout(3000);
        alert1.setTimeout(3000);
        String str;
        byte bytes[];
        int recordID;
        try{
            if(c==add){
                str = title.getString()+":"+quantity.getString()+
                      ":"+price.getString()+":" +profit.getString()+
                      ":"+director.getString()+":"+publish.getString()+
                      ":"+actors.getString();+
+                bytes=str.getBytes();+
+                recordID = rs.addRecord(bytes, 0, bytes.length);+
+                System.out.println("Record of ID:"+recordID+" is added");
                Display.getDisplay(this).setCurrent(alert);
            }else if(c==update){
                recordID = Integer.parseInt(rcdId.getString());
                str = title.getString()+":"+quantity.getString()+
                      ":"+price.getString()+":" +profit.getString()+
                      ":"+director.getString()+":"+publish.getString()+
                      ":"+actors.getString();+
+                bytes=str.getBytes();+
+                rs.setRecord(recordID, bytes, 0, bytes.length);+
+                System.out.println("Record of ID:"+recordID+" is updated");
                Display.getDisplay(this).setCurrent(alert1);
            }else if(c == delete){
                recordID = Integer.parseInt(rcdId.getString());
                rs.deleteRecord(recordID);
                System.out.println("Record of ID:"+recordID+" is deleted");
                Display.getDisplay(this).setCurrent(alert2);
            }else if(c == view ){
                recordID = Integer.parseInt(rcdId.getString());
                bytes = new byte[rs.getRecordSize(recordID)];
                rs.getRecord(recordID,bytes,0);
                String str1 = new String(bytes);
                int index = str1.indexOf(":");
                title.setString(str1.substring(0));
                quantity.setString(str1.substring(1));
                price.setString(str1.substring(2));
                profit.setString(str1.substring(3));
                director.setString(str1.substring(4));
                publish.setString(str1.substring(5));
                actors.setString(str1.substring(6));
        }else if( c == exit){
            destroyApp(true);
            notifyDestroyed();
    }catch(Exception e){
        e.printStackTrace();
Starting emulator in execution mode
Installing suite from: http://127.0.0.1:59543/RecordStore.jad
Record of ID:1 is added
Record of ID:2 is added
java.lang.IllegalArgumentException
at javax.microedition.lcdui.TextField.setCharsImpl(), bci=79
at javax.microedition.lcdui.TextField.setString(), bci=37
at CdSeller.commandAction(CdSeller.java:120)
at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46
at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74
at com.sun.midp.chameleon.layers.SoftButtonLayer.commandSelected(), bci=11
at com.sun.midp.chameleon.layers.MenuLayer.pointerInput(), bci=170
at com.sun.midp.chameleon.CWindow.pointerInput(), bci=76
at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handlePointerEvent(), bci=19
at com.sun.midp.lcdui.DisplayEventListener.process(), bci=296
at com.sun.midp.events.EventQueue.run(), bci=179
at java.lang.Thread.run(Thread.java:619)
javacall_lifecycle_state_changed() lifecycle: event is JAVACALL_LIFECYCLE_MIDLET_SHUTDOWNstatus is JAVACALL_OK
I had tired to change the quantity= new TextField("Quantity   :","",8,TextField.ANY);+ but still giving me the same problem...
Here again..Thankx alot..