salut je n'arrive pas a créer une session
j'ai une table utilisateur et je cherche faire l'accée avec creation une session
voila
code
Code : Sélectionner tout - Visualiser dans une fenêtre à part
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
 
 import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.swing.SwingUtilities;
import javax.swing.JPanel;
import javax.swing.JFrame;
import java.awt.Rectangle;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import java.awt.Color;
import javax.swing.JTextField;
import javax.swing.JOptionPane;
import javax.swing.JPasswordField;
import java.awt.Font;
import javax.swing.JButton;
import java.awt.SystemColor;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
 
public class david extends JFrame {
/**
         * 
         */
	private static final long serialVersionUID = 1L;
JPanel jContentPane = null;
private JPanel jPanel = null;
private JTextField jTextField = null;
private JPasswordField jPasswordField = null;
private JButton jButton = null;
private JLabel jLabel = null;
private JLabel jLabel1 = null;
private JPanel getJPanel() {
		if (jPanel == null) {
			jLabel1 = new JLabel();
			jLabel1.setBounds(new Rectangle(100, 115, 92, 30));
			jLabel1.setText("Mot de passe :");
			jLabel = new JLabel();
			jLabel.setBounds(new Rectangle(100, 66, 95, 30));
			jLabel.setText("Nom utilisateur :");
			jPanel = new JPanel();
			jPanel.setLayout(null);
			jPanel.setBounds(new Rectangle(8, 5, 481, 476));
			jPanel.setBackground(new Color(0, 138, 255));
			jPanel.add(getJTextField(), null);
			jPanel.add(getJPasswordField(), null);
			jPanel.add(getJButton(), null);
			jPanel.add(jLabel, null);
			jPanel.add(jLabel1, null);
 
		}
		return jPanel;
	}
 
 
 
 
 
 
	/**
         * This method initializes jTextField   
         *      
         * @return javax.swing.JTextField       
         */
	private JTextField getJTextField() {
		if (jTextField == null) {
			jTextField = new JTextField();
			jTextField.setBounds(new Rectangle(235, 66, 148, 30));
		}
		return jTextField;
	}
 
 
 
 
private JPasswordField getJPasswordField() {
	if (jPasswordField == null) {
		jPasswordField = new JPasswordField();
		jPasswordField.setBounds(new Rectangle(235, 115, 148, 30));
		jPasswordField.setFont(new Font("Dialog", Font.PLAIN, 18));
	}
	return jPasswordField;
}
 
 
private JButton getJButton() {
	if (jButton == null) {
		jButton = new JButton();
		jButton.setBounds(new Rectangle(269, 174, 98, 26));
		jButton.setForeground(SystemColor.desktop);
		jButton.setText("Connection");
		jButton.setBackground(Color.orange);
		jButton.addActionListener(new java.awt.event.ActionListener() {
			public void actionPerformed(java.awt.event.ActionEvent e) {
				 String  nom = jTextField.getText();
				 String passe1 =	jPasswordField.getText().trim();	
				 String prenom="";
			     String passeword="";
 
 
						try {
 
							Connection connection = null;
							String driverName = "oracle.jdbc.driver.OracleDriver";
							Class.forName(driverName);
                         	String serverName = "10.133.0.25";
				  			String portNumber = "1521";
				  			String sid = "fin";
				  			String url = "jdbc:oracle:thin:@" + serverName + ":" + portNumber +":" + sid;
                            String username = "DEVRTO";
				  			String password = "DEVRTO";
							connection = DriverManager.getConnection(url, username, password);
							Statement instruction = connection.createStatement();
 
	String sql = "   select utilisateur, mot_passe from utilisateur where utilisateur ='"+nom+"' and mot_passe ='"+passe1+"' ";
	ResultSet resultat = instruction.executeQuery(sql);
	HttpServletRequest request = null;
	HttpSession session = request.getSession(true);
						     while (resultat.next()){ 	
						    	 prenom= resultat.getString("utilisateur");
						    	 passeword= resultat.getString("mot_passe");
				                    session.setAttribute("uname",prenom);
				                     session.setAttribute("agence",passeword);
				               }
 
						    if ((prenom.equals(nom))&& (passeword.equals(passe1))) {
						    	menu a =new menu();
						    	 a.setVisible(true);
						    	 a.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
								a.setResizable (false);
						        a.setLocationRelativeTo(null);
								setVisible(false);
						     }
						     else
						    	  {
		 JOptionPane ddd1 = new JOptionPane();
	   ddd1.showMessageDialog(david.this, "mot passe ou user erronée ","Erreur",JOptionPane.INFORMATION_MESSAGE);
 
							     }
						}
 
						 	catch (Exception ex) {
				          		System.out.println("jjjjjjjjjjj "+ex.getMessage());
 
								  ex.printStackTrace() ;
							} 
 
			       }
		});
	}
	return jButton;
}
public static void main(String[] args) {
	 	SwingUtilities.invokeLater(new Runnable() {
			public void run() {
				david thisClass = new david();
				thisClass.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
				thisClass.setVisible(true);
				thisClass.setResizable (false);
 
 
				thisClass.setLocationRelativeTo(null);
			}
		});
	}
 
 
	public david() {
		super();
		initialize();
	}
 
 
	private void initialize() {
 
		 this.setSize(700, 405);
		this.setBackground(Color.orange);
		this.setContentPane(getJContentPane());
		this.setTitle("TRC-EXL-RTO-INF");
		this.setIconImage(new ImageIcon("src/image/sonatrach.png").getImage());
		 }
 
	private JPanel getJContentPane() {
		if (jContentPane == null) {
			 jContentPane = new JPanel();
			jContentPane.setLayout(null);
			jContentPane.setBackground(new Color(0, 138, 255));
			jContentPane.add(getJPanel(), null);
 
		}
		return jContentPane;
	}
}

message d'erreur
Code : Sélectionner tout - Visualiser dans une fenêtre à part
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
jjjjjjjjjjj null
java.lang.NullPointerException
	at david$1.actionPerformed(david.java:118)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
	at java.awt.Component.processMouseEvent(Unknown Source)
	at javax.swing.JComponent.processMouseEvent(Unknown Source)
	at java.awt.Component.processEvent(Unknown Source)
	at java.awt.Container.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$000(Unknown Source)
	at java.awt.EventQueue$1.run(Unknown Source)
	at java.awt.EventQueue$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$2.run(Unknown Source)
	at java.awt.EventQueue$2.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)
sur la ligne
Code : Sélectionner tout - Visualiser dans une fenêtre à part
1
2
 
	HttpSession session = request.getSession(true);

merci