messagesjava.lang.NullPointerException

Coderanch | Victoria Preston | 10 years ago
  1. 0

    almost done

    Coderanch | 10 years ago | Victoria Preston
    messagesjava.lang.NullPointerException

    Root Cause Analysis

    1. messagesjava.lang.NullPointerException

      No message provided

      at Parser.getToken()
    2. Unknown
      ParserGUI$ButtonListener.actionPerformed
      1. Parser.getToken(Parser.java:14)
      2. Parser.parseExpr(Parser.java:49)
      3. ParserGUI$ButtonListener.actionPerformed(ParserGUI.java:79)
      3 frames
    3. Java RT
      EventDispatchThread.run
      1. javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
      2. javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
      3. javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
      4. javax.swing.DefaultButtonModel.setPressed(Unknown Source)
      5. javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
      6. java.awt.Component.processMouseEvent(Unknown Source)
      7. javax.swing.JComponent.processMouseEvent(Unknown Source)
      8. java.awt.Component.processEvent(Unknown Source)
      9. java.awt.Container.processEvent(Unknown Source)
      10. java.awt.Component.dispatchEventImpl(Unknown Source)
      11. java.awt.Container.dispatchEventImpl(Unknown Source)
      12. java.awt.Component.dispatchEvent(Unknown Source)
      13. java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
      14. java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
      15. java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
      16. java.awt.Container.dispatchEventImpl(Unknown Source)
      17. java.awt.Window.dispatchEventImpl(Unknown Source)
      18. java.awt.Component.dispatchEvent(Unknown Source)
      19. java.awt.EventQueue.dispatchEvent(Unknown Source)
      20. java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
      21. java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
      22. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      23. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      24. java.awt.EventDispatchThread.run(Unknown Source)
      24 frames