java.lang.NullPointerException

Coderanch | O Joseph | 1 decade ago
  1. 0

    What did I do wrong?

    Coderanch | 1 decade ago | O Joseph
    java.lang.NullPointerException
  2. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at MyPaintPackage.MyPaintButton$MyPaintButtonListener.actionPerformed()
    2. MyPaintPackage
      MyPaintButton$MyPaintButtonListener.actionPerformed
      1. MyPaintPackage.MyPaintButton$MyPaintButtonListener.actionPerformed(MyPaintButton.java:74)
      1 frame
    3. Java RT
      EventDispatchThread.run
      1. javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
      2. javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
      3. javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
      4. javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
      5. javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:234)
      6. java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:231)
      7. java.awt.Component.processMouseEvent(Component.java:5488)
      8. javax.swing.JComponent.processMouseEvent(JComponent.java:3126)
      9. java.awt.Component.processEvent(Component.java:5253)
      10. java.awt.Container.processEvent(Container.java:1966)
      11. java.awt.Component.dispatchEventImpl(Component.java:3955)
      12. java.awt.Container.dispatchEventImpl(Container.java:2024)
      13. java.awt.Component.dispatchEvent(Component.java:3803)
      14. java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
      15. java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
      16. java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
      17. java.awt.Container.dispatchEventImpl(Container.java:2010)
      18. java.awt.Window.dispatchEventImpl(Window.java:1774)
      19. java.awt.Component.dispatchEvent(Component.java:3803)
      20. java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
      21. java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
      22. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
      23. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
      24. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
      25. java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
      25 frames