java.lang.NullPointerException

Coderanch | tajinder pal singh | 3 years ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at game.uno.model.UNODeckMain.notifyObservers()
  2. game.uno.model
    UNODeckMain.setThisUnoDeckMain
    1. game.uno.model.UNODeckMain.notifyObservers(UNODeckMain.java:59)
    2. game.uno.model.UNODeckMain.setThisUnoDeckMain(UNODeckMain.java:38)
    2 frames
  3. game.uno.controller
    UNOGameController.playGame
    1. game.uno.controller.UNOGameController.playGame(UNOGameController.java:88)
    1 frame
  4. game.uno.swings
    UnoGui$3.actionPerformed
    1. game.uno.swings.UnoGui$3.actionPerformed(UnoGui.java:144)
    1 frame
  5. Java RT
    Component.processMouseEvent
    1. javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
    2. javax.swing.AbstractButton$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)
    6 frames