Java - Error iReport ครับไม่ทราบว่าผิดยังไงอ้ะครับ (ดูจากตัวอย่างมา)

Connection connect = null;
				
				try {
					Class.forName("com.mysql.jdbc.Driver");
					connect =  DriverManager.getConnection("jdbc:mysql://localhost/project" +
							"?user=root&password=root");
					
				} catch (ClassNotFoundException e1) {
					// TODO Auto-generated catch block
					e1.printStackTrace();
				} catch (SQLException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				
				// Application path
				String report = null;
				try {
					report = new File(".").getCanonicalPath()+ "/report4.jrxml";
				} catch (IOException e1) {
					// TODO Auto-generated catch block
					e1.printStackTrace();
				}
				
				try {
					
					// Parameters
					Map param = new HashMap();
					param.put("parameter1", "BIL-5800007");
					
					// Report Viewer
					JasperReport ir = JasperCompileManager.compileReport(report);
					JasperPrint ip = JasperFillManager.fillReport(ir, param,connect);
					
					JFrame frame = new JFrame();
					frame.setTitle("ThaiCreate.Com Customer Report");
					frame.setBounds(100, 100, 800,600);
					frame.getContentPane().add(new JRViewer(ip));
					frame.setVisible(true);
					
				} catch (JRException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				
				try {
					connect.close();
				} catch (SQLException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}