please help
net.sf.jasperreports.engine.JRException: Could not load object from location : Purchase_Supp_Add.jasper


 try {
                Statement stmt;
                Class.forName("com.mysql.jdbc.Driver");
                String url = "jdbc:mysql://localhost:3306/Salesreport";
                Connection con =DriverManager.getConnection(url,"root", "root");
                stmt = con.createStatement();
// JasperReport subreport = null;
// ResultSet rs = stmt.executeQuery("select *from suppdetails_tbl where cpy_name= '"+Supplier_po.getSelectedItem()+"'");
// String reportSource = "D:\\Sales Report Tool March 20\\report\\Jasp report\\purchase.jrxml";
                String reportDest = "D:\\Sales Report Tool March 20\\report\\Jasp report\\purchase.pdf";
                String reportSource ="D:\\Sales Report Tool March 20\\report\\Jasp report\\purchase.jrxml";
                String reportSource1 ="D:\\Sales Report Tool March 20\\report\\Jasp report\\Purchase_Supp_Add.jasper";



                JasperReport jasperReport =JasperCompileManager.compileReport(reportSource);
// JasperReport jasperReport1 =JasperCompileManager.compileReport(reportSource1) ;
                 Map parameter = new HashMap();
                  //parameter for master report
                 Object a=Po_comb.getSelectedItem();
                parameter.put("Ponum", a);
                 //parameter for subreport
                parameter.put("sub", "reportSource1");
                JasperPrint print = JasperFillManager.fillReport(jasperReport, parameter, con);

                System.out.println("Crossed 6");
                JasperExportManager.exportReportToPdfFile(print, reportDest);

                System.out.println("Crossed 7");
                JasperViewer.viewReport(print,false);
                System.out.println("Crossed 8");
            } catch (JRException e)
            {
                e.printStackTrace();
            }

            // Exception handling for the Class.forName method.
            catch (ClassNotFoundException ex)
            {
                ex.printStackTrace();
            }

            // Exception handling for the DriverManager.getConnection method.
            catch (SQLException ex)
            {
                ex.printStackTrace();
            }

my mail id is :shri.nithya@gmail.com


geetha