dataconnection.java

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package frm;


import java.sql.*;
import javax.naming.*;
import javax.sql.DataSource;

public class DataConnection {
	
	public  static  synchronized Connection getConnection() throws Exception{
		try{
			Context initCtx = new javax.naming.InitialContext(); 
            Context envCtx = (Context) initCtx.lookup("java:comp/env"); 
            DataSource ds = (DataSource)envCtx.lookup("frm_oracle"); ;
			return ds.getConnection();
		}catch(Exception e){
			e.printStackTrace();
			throw e;
		} 
	}
}