Bonsoir à tous !!
je sollicite votre aide, parce que vraiment je bloque, je n'arrive pas à voir ou se situe l'erreur. j'ai aussi vu les autres discussion qui aborde le même problème mais malheureusement... =(
Donc voilà l'erreur que me renvoie Eclipse
et voilà les méthodes concernées :Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at Chat.run(Chat.java:711)
at Chat.changeStatusNTS(Chat.java:607)
at Chat$5.actionPerformed(Chat.java:268)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$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$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$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)
*at Chat$5.actionPerformed(Chat.java:268)
Dans mon interface y'a le bouton connecter :
*at Chat.changeStatusNTS(Chat.java:607)
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21 pane = new JPanel(new FlowLayout()); ActionAdapter buttonListener = new ActionAdapter() { public void actionPerformed(ActionEvent e) { if (e.getActionCommand().equals("connect")) { changeStatusNTS(BEGIN_CONNECT, true); } } }; connectButton = new JButton("Connexion"); connectButton.setMnemonic(KeyEvent.VK_C); connectButton.setActionCommand("connect"); connectButton.addActionListener(buttonListener); connectButton.setEnabled(true); connectButton.setPreferredSize(new Dimension(150, 30)); pane.add(connectButton); optionsPane.add(pane);
*at Chat.run(Chat.java:711)
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19 static void changeStatusNTS(int newConnectStatus, boolean noError) { // Change state if valid state if (newConnectStatus != NULL) { connectionStatus = newConnectStatus; } // If there is no error, display the appropriate status message if (noError) { statusString = statusMessages[connectionStatus]; } // Otherwise, display error message else { statusString = statusMessages[NULL]; } // Call the run() routine (Runnable interface) on the // current thread tcp.run(); }
Je vous remercie infiniment de votre éventuelle aide ...
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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52 public void run() { switch (connectionStatus) { case DISCONNECTED: connectButton.setEnabled(true); ipField.setEnabled(true); portField.setEnabled(true); hostOption.setEnabled(true); guestOption.setEnabled(true); statusColor.setBackground(Color.red); break; case DISCONNECTING: chat.setSize(400,400); chat.setContentPane(fenetre_connection()); chatLine.setEnabled(false); statusColor.setBackground(Color.orange); break; case CONNECTED: chat.setSize(900,700); chat.setContentPane(fenetre_chat()); chatLine.setEnabled(true); statusColor.setBackground(Color.green); break; case BEGIN_CONNECT: connectButton.setEnabled(false); loginField.setEditable(false); statusColor.setBackground(Color.orange); break; } // try{ chatText.append(toAppend.toString()); chat.repaint(); // } catch (NullPointerException e){} // // }
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