500 The call failed on the server

[sonal]

package com.uis.loginuser.server;

import com.uis.loginuser.client.GreetingService;
import com.uis.loginuser.shared.FieldVerifier;
import com.google.gwt.user.server.rpc.RemoteServiceServlet;
import java.net.ConnectException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
//import com.client.GreetingService;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.server.rpc.RemoteServiceServlet;
/**
 * The server side implementation of the RPC service.
 */
@SuppressWarnings("serial")
public class GreetingServiceImpl extends RemoteServiceServlet
implements
    GreetingService {


 Connection con=null;
 Statement st=null;


 ResultSet rs=null;

//jdbc:mysql://your.database.domain/yourDBname

  //String url="jdbc:mysql://localhost:10081/phpMyAdmin";



 String url="jdbc:mysql://192.168.2.23:8888/mydb";

 public void call()
 {

   try {
        Class.forName("com.mysql.jdbc.Driver").newInstance();
}
 catch (Exception e) {

        e.printStackTrace();
 }
  try
  {
   con=DriverManager.getConnection(url, "root", "");
   st=con.createStatement();
  }


  catch(SQLException ex)
  {
   //System.out.println(ex.getMessage());
  }
 }
public String check(String s1, String s2) {

 String ss="no";
 call();


 try
 {

   rs = st.executeQuery("select * from login where name='" + s1 + "'
and password='" + s2+"'" );

   if(rs.next())
   {
    ss="yes";
    System.out.println(rs.getString(0));
    System.out.println(rs.getString(1));
   }


 }
 catch(SQLException e)
 {
  System.out.println(e.getMessage());

 }


 return ss;
}
@Override
public String newuser(String name, String password) {
 String ss = "no";
 call();


 try
 {
  boolean ss1;
   ss1 = st.execute("insert into login values('" + name+"','"+
password +"')");

   if(ss1)
   {


    ss="yes";
   }



 }
 catch(SQLException e)
 {
  System.out.println(e.getMessage());

 }
 return ss;


}
}

-- 
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to google-web-toolkit@googlegroups.com.
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/google-web-toolkit?hl=en.