java.lang.NullPointerException

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  • swing Browser Problem
    via by 807587,
  • Jpanel problem
    via by 807587,
    • java.lang.NullPointerException at Browser.actionPerformed(Browser.java:66) at javax.swing.JTextField.fireActionPerformed(JTextField.java:491) at javax.swing.JTextField.postActionEvent(JTextField.java:672) at javax.swing.JTextField$NotifyAction.actionPerformed(JTextField.java:786) at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1530) at javax.swing.JComponent.processKeyBinding(JComponent.java:2438) at javax.swing.JComponent.processKeyBindings(JComponent.java:2473) at javax.swing.JComponent.processKeyEvent(JComponent.java:2401) at java.awt.Component.processEvent(Component.java:4909) at java.awt.Container.processEvent(Container.java:1569) at java.awt.Component.dispatchEventImpl(Component.java:3615) at java.awt.Container.dispatchEventImpl(Container.java:1627) at java.awt.Component.dispatchEvent(Component.java:3477) at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1713) at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:627) at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:831) at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:741) at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:592) at java.awt.Component.dispatchEventImpl(Component.java:3506) at java.awt.Container.dispatchEventImpl(Container.java:1627) at java.awt.Window.dispatchEventImpl(Window.java:1606) at java.awt.Component.dispatchEvent(Component.java:3477) at java.awt.EventQueue.dispatchEvent(EventQueue.java:456) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137) at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
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