java.lang.NullPointerException

GitHub | DanielBoudreau | 5 months ago
  1. 0

    NPE when trying to change preferences..

    GitHub | 5 months ago | DanielBoudreau
    java.lang.NullPointerException
  2. 0
    samebug tip
    Assign onCickListener to imageView in ExpandableListView inside getChildView.
  3. 0
    samebug tip
    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.
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  5. 0

    Android: Saving Map State in Google map

    Stack Overflow | 1 year 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 apps.gui3.TabbedPreferencesFrame.getTitle()
    2. apps.gui3
      TabbedPreferencesFrame.getTitle
      1. apps.gui3.TabbedPreferencesFrame.getTitle(TabbedPreferencesFrame.java:20)
      1 frame
    3. jmri.util
      JmriJFrame.<init>
      1. jmri.util.JmriJFrame.generateWindowRef(JmriJFrame.java:216)
      2. jmri.util.JmriJFrame.<init>(JmriJFrame.java:117)
      3. jmri.util.JmriJFrame.<init>(JmriJFrame.java:127)
      3 frames
    4. apps.gui3
      TabbedPreferencesAction.actionPerformed
      1. apps.gui3.TabbedPreferencesFrame.<init>(TabbedPreferencesFrame.java:31)
      2. apps.gui3.TabbedPreferencesAction$1.<init>(TabbedPreferencesAction.java:81)
      3. apps.gui3.TabbedPreferencesAction.actionPerformed(TabbedPreferencesAction.java:81)
      4. apps.gui3.TabbedPreferencesAction.actionPerformed(TabbedPreferencesAction.java:121)
      4 frames
    5. Java RT
      EventDispatchThread.run
      1. javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
      2. javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346)
      3. javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
      4. javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
      5. javax.swing.AbstractButton.doClick(AbstractButton.java:376)
      6. javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833)
      7. javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877)
      8. java.awt.Component.processMouseEvent(Component.java:6525)
      9. javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
      10. java.awt.Component.processEvent(Component.java:6290)
      11. java.awt.Container.processEvent(Container.java:2234)
      12. java.awt.Component.dispatchEventImpl(Component.java:4881)
      13. java.awt.Container.dispatchEventImpl(Container.java:2292)
      14. java.awt.Component.dispatchEvent(Component.java:4703)
      15. java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898)
      16. java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533)
      17. java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462)
      18. java.awt.Container.dispatchEventImpl(Container.java:2278)
      19. java.awt.Window.dispatchEventImpl(Window.java:2739)
      20. java.awt.Component.dispatchEvent(Component.java:4703)
      21. java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746)
      22. java.awt.EventQueue.access$400(EventQueue.java:97)
      23. java.awt.EventQueue$3.run(EventQueue.java:697)
      24. java.awt.EventQueue$3.run(EventQueue.java:691)
      25. java.security.AccessController.doPrivileged(Native Method)
      26. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
      27. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
      28. java.awt.EventQueue$4.run(EventQueue.java:719)
      29. java.awt.EventQueue$4.run(EventQueue.java:717)
      30. java.security.AccessController.doPrivileged(Native Method)
      31. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
      32. java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
      33. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
      34. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
      35. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
      36. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
      37. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
      38. java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
      38 frames