java.lang.NullPointerException

freecol | janet-h | 6 years ago
  1. 0

    Game stalls after editor quit

    freecol | 6 years ago | janet-h
    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 net.sf.freecol.client.gui.panel.MapControls.<init>()
    2. net.sf.freecol
      ShowMainAction.actionPerformed
      1. net.sf.freecol.client.gui.panel.MapControls.<init>(MapControls.java:94)
      2. net.sf.freecol.client.gui.action.MapControlsAction.showMapControls(MapControlsAction.java:83)
      3. net.sf.freecol.client.gui.action.MapControlsAction.update(MapControlsAction.java:58)
      4. net.sf.freecol.client.gui.action.ActionManager.update(ActionManager.java:186)
      5. net.sf.freecol.client.gui.Canvas.add(Canvas.java:1224)
      6. net.sf.freecol.client.gui.Canvas.add(Canvas.java:1195)
      7. net.sf.freecol.client.gui.Canvas.addCentered(Canvas.java:1184)
      8. net.sf.freecol.client.gui.Canvas.showMainPanel(Canvas.java:1488)
      9. net.sf.freecol.client.gui.Canvas.returnToTitle(Canvas.java:1585)
      10. net.sf.freecol.client.gui.action.ShowMainAction.actionPerformed(ShowMainAction.java:61)
      10 frames
    3. Java RT
      EventDispatchThread.run
      1. javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2012)
      2. javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2335)
      3. javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:404)
      4. javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
      5. javax.swing.AbstractButton.doClick(AbstractButton.java:374)
      6. javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:829)
      7. javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:873)
      8. java.awt.Component.processMouseEvent(Component.java:6175)
      9. javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
      10. java.awt.Component.processEvent(Component.java:5940)
      11. java.awt.Container.processEvent(Container.java:2105)
      12. java.awt.Component.dispatchEventImpl(Component.java:4536)
      13. java.awt.Container.dispatchEventImpl(Container.java:2163)
      14. java.awt.Component.dispatchEvent(Component.java:4362)
      15. java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4461)
      16. java.awt.LightweightDispatcher.processMouseEvent(Container.java:4125)
      17. java.awt.LightweightDispatcher.dispatchEvent(Container.java:4055)
      18. java.awt.Container.dispatchEventImpl(Container.java:2149)
      19. java.awt.Window.dispatchEventImpl(Window.java:2478)
      20. java.awt.Component.dispatchEvent(Component.java:4362)
      21. java.awt.EventQueue.dispatchEvent(EventQueue.java:604)
      22. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)
      23. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)
      24. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
      25. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185)
      26. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)
      27. java.awt.EventDispatchThread.run(EventDispatchThread.java:138)
      27 frames