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a guest Dec 3rd, 2010 36 Never
  1. Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
  2.         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  3.         at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
  4.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
  5.         at java.lang.reflect.Method.invoke(Unknown Source)
  6.         at intro.JFrameExt.jtfActionPerformed(JFrameExt.java:336)
  7.         at intro.JFrameExt$3.actionPerformed(JFrameExt.java:183)
  8.         at javax.swing.JTextField.fireActionPerformed(Unknown Source)
  9.         at javax.swing.JTextField.postActionEvent(Unknown Source)
  10.         at javax.swing.JTextField$NotifyAction.actionPerformed(Unknown Source)
  11.         at javax.swing.SwingUtilities.notifyAction(Unknown Source)
  12.         at javax.swing.JComponent.processKeyBinding(Unknown Source)
  13.         at javax.swing.JComponent.processKeyBindings(Unknown Source)
  14.         at javax.swing.JComponent.processKeyEvent(Unknown Source)
  15.         at java.awt.Component.processEvent(Unknown Source)
  16.         at java.awt.Container.processEvent(Unknown Source)
  17.         at java.awt.Component.dispatchEventImpl(Unknown Source)
  18.         at java.awt.Container.dispatchEventImpl(Unknown Source)
  19.         at java.awt.Component.dispatchEvent(Unknown Source)
  20.         at java.awt.KeyboardFocusManager.redispatchEvent(Unknown Source)
  21.         at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(Unknown Source)
  22.         at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Source)
  23.         at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)
  24.         at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
  25.         at java.awt.Component.dispatchEventImpl(Unknown Source)
  26.         at java.awt.Container.dispatchEventImpl(Unknown Source)
  27.         at java.awt.Window.dispatchEventImpl(Unknown Source)
  28.         at java.awt.Component.dispatchEvent(Unknown Source)
  29.         at java.awt.EventQueue.dispatchEvent(Unknown Source)
  30.         at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
  31.         at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
  32.         at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
  33.         at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
  34.         at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
  35.         at java.awt.EventDispatchThread.run(Unknown Source)
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