Jar is not loading

Question

well have written the java file,
written the mft file and also made the jar file
but its not loading in the BDK.
this is the error
Jar file D:\loginbean.jar didn't have any beans!
well here is the code for the jar file
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
import java.io.*;
public class loginbean extends JPanel implements java.io.Serializable
     JLabel labellogo;
     JLabel labelpinno;
     JTextField textpinno;
     BorderLayout b1;
     private String logo="<bank>+<logo>";
     public String getLogo()
          return logo;
     public void setLogo(String txt)
          logo=txt;
          labellogo.setText(logo);
     public loginbean()
          super();
          labellogo=new JLabel();
          Font f=new Font("Times New Roman",Font.BOLD,30);
          labellogo.setFont(f);
          labellogo.setBackground(Color.green);
          labelpinno=new JLabel("enter ur pinno");
          textpinno=new JTextField(15);
          b1=new BorderLayout();
          setLayout(b1);
          add("North",labellogo);
          add("West",labelpinno);
          add("East",textpinno);
          setSize(400,400);
          setVisible(true);
     public static void main(String a[])
          loginbean lb=new loginbean();
     public void validate()
          try
               Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
               Connection con=DriverManager.getConnection("jdbc.odbc.msit","scott","tiger");
     PreparedStatement stat=con.prepareStatement("select * from registration where cfirstanme=?");
               stat.setString(1,textpinno.getText());
               ResultSet result=stat.executeQuery();
               JOptionPane pobj=new JOptionPane();
               if(!result.next())
                    pobj.showMessageDialog(this,new String("invalid pinno"),"error message",JOptionPane.ERROR_MESSAGE);
               else
                    pobj.showMessageDialog(this,new String("valid pinno"),"welcome",JOptionPane.INFORMATION_MESSAGE);
          catch(Exception e)
                    System.out.println("error"+e);
}guyz plz help me out.
as i am new to java beans
mayb i am missing something very basic

Answer 1

Hi,
I tried your link and got a download exception also. But the encapsulated exception message reports a duplicate zip entry. Webstart seems not to know how to handle it.
I hope this will help.
java.util.zip.ZipException: duplicate entry: memops/scripts/Properties.template
     at java.util.zip.ZipOutputStream.putNextEntry(Unknown Source)
     at java.util.jar.JarOutputStream.putNextEntry(Unknown Source)
     at com.sun.deploy.net.HttpDownloadHelper.decompressWrite(Unknown Source)
     at com.sun.deploy.net.HttpDownloadHelper.download(Unknown Source)
     at com.sun.deploy.cache.Cache.downloadResourceToCache(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)
     at com.sun.javaws.LaunchDownload.downloadJarFiles(Unknown Source)
     at com.sun.javaws.LaunchDownload.downloadEagerorAll(Unknown Source)
     at com.sun.javaws.Launcher.downloadResources(Unknown Source)
     at com.sun.javaws.Launcher.prepareLaunchFile(Unknown Source)
     at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
     at com.sun.javaws.Launcher.launch(Unknown Source)
     at com.sun.javaws.Main.launchApp(Unknown Source)
     at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
     at com.sun.javaws.Main$1.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
Bye Schippe