No suitable driver error

package com.si.keyNote;
 
import java.io.*;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.xml.sax.*;
import org.xml.sax.helpers.DefaultHandler;
import java.sql.*;
import javax.sql.*;
import java.util.*;
public class AgentAttributesReader {
	 
	  String url = "jdbc:oracle:thin:@abc.xyz.com:1522:omft01";
	  String user = "user";
	  String pwd = "pass";
	  
 
     public static void main(String[] args) {
    try {
      String xmlfile ="C:"+File.separator+"KeyNoteDump"+File.separator+"XMLparser"+File.separator+"web"+File.separator+"20090312_0000.xml";
      
      File file = new File(xmlfile);
      if (file.exists()){
        //SAX-implementation:
        SAXParserFactory factory = SAXParserFactory.newInstance();
        // Create SAX-parser
        SAXParser parser = factory.newSAXParser();
        //System.out.println("Slno:\t" +"Name:\t" + "Value:");
        //Define a handler
        SaxHandler handler = new SaxHandler();
        // Parse the xml document
        parser.parse(file, handler);
      }
      else{
        System.out.println("File not found!");
      }
    }
    catch (Exception e) {
      e.printStackTrace();
    }
  }
 
  private static class SaxHandler extends DefaultHandler {
      
      
    public void startElement(String uri, String localName, String qName,
                    Attributes attrs) throws SAXParseException,SAXException {
          String Sql="";
          Connection conn = null;
          try {
			Class.forName("oracle.jdbc.driver.OracleDriver");
			conn = DriverManager.getConnection("url","user","pwd");
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
  //
 catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
  
 
      /* GETS ALL THE ATTRIBUTES OF AGENT_META_DATA */
       if (qName.equals("AGENT_META_DATA")) {
               
                
                try{
 
               // System.out.println( conn );
                PreparedStatement pstmt = null;
                
                
 
                Sql= "insert into apm.agent_meta_data1 (AGENT_ID, AGENT_INSTANCE_ID, IP_ADDR, BACKBONE, CITY, COUNTRY, Weight) values (?,?,?,?,?,?,?)";
 
                pstmt = conn.prepareStatement(Sql);
                
                pstmt.setInt(1,new Integer(attrs.getValue("agent_id")));
                pstmt.setInt(2,new Integer(attrs.getValue("instance_id")));
                pstmt.setString(3,attrs.getValue("ip"));
                pstmt.setString(4,attrs.getValue("backbone"));
                pstmt.setString(5,attrs.getValue("city"));
                pstmt.setString(6,attrs.getValue("country"));
                pstmt.setString(7,attrs.getValue("weight"));
                pstmt.execute();
 
                pstmt.close();
                conn.close();
                conn = null;
 
                //System.out.println( "theconnection is closed "+conn );
                }catch(Exception sq){
                sq.getMessage();
                }
 
            }/**/
 
   
 
 
     
    }
 
   
  }
}

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