java.lang.NullPointerException

Stack Overflow | John | 8 months ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at NewJFrame.updateJLabel()
  2. Unknown
    NewJFrame$2.actionPerformed
    1. NewJFrame.updateJLabel(NewJFrame.java:317)
    2. NewJFrame.jXDatePicker1ActionPerformed(NewJFrame.java:370)
    3. NewJFrame.access$100(NewJFrame.java:23)
    4. NewJFrame$2.actionPerformed(NewJFrame.java:127)
    4 frames
  3. SwingX Core
    BasicMonthViewUI$Handler.mouseReleased
    1. org.jdesktop.swingx.JXDatePicker.fireActionPerformed(JXDatePicker.java:911)
    2. org.jdesktop.swingx.JXDatePicker.commitEdit(JXDatePicker.java:740)
    3. org.jdesktop.swingx.plaf.basic.BasicDatePickerUI.commit(BasicDatePickerUI.java:914)
    4. org.jdesktop.swingx.plaf.basic.BasicDatePickerUI$Handler.monthViewActionPerformed(BasicDatePickerUI.java:1504)
    5. org.jdesktop.swingx.plaf.basic.BasicDatePickerUI$Handler.actionPerformed(BasicDatePickerUI.java:1479)
    6. org.jdesktop.swingx.JXMonthView.fireActionPerformed(JXMonthView.java:1845)
    7. org.jdesktop.swingx.JXMonthView.commitSelection(JXMonthView.java:1732)
    8. org.jdesktop.swingx.plaf.basic.BasicMonthViewUI$Handler.mouseReleased(BasicMonthViewUI.java:1753)
    8 frames
  4. Java RT
    EventDispatchThread.run
    1. java.awt.Component.processMouseEvent(Component.java:6505)
    2. javax.swing.JComponent.processMouseEvent(JComponent.java:3320)
    3. java.awt.Component.processEvent(Component.java:6270)
    4. java.awt.Container.processEvent(Container.java:2229)
    5. java.awt.Component.dispatchEventImpl(Component.java:4861)
    6. java.awt.Container.dispatchEventImpl(Container.java:2287)
    7. java.awt.Component.dispatchEvent(Component.java:4687)
    8. java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
    9. java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)
    10. java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
    11. java.awt.Container.dispatchEventImpl(Container.java:2273)
    12. java.awt.Window.dispatchEventImpl(Window.java:2719)
    13. java.awt.Component.dispatchEvent(Component.java:4687)
    14. java.awt.EventQueue.dispatchEventImpl(EventQueue.java:735)
    15. java.awt.EventQueue.access$200(EventQueue.java:103)
    16. java.awt.EventQueue$3.run(EventQueue.java:694)
    17. java.awt.EventQueue$3.run(EventQueue.java:692)
    18. java.security.AccessController.doPrivileged(Native Method)
    19. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
    20. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
    21. java.awt.EventQueue$4.run(EventQueue.java:708)
    22. java.awt.EventQueue$4.run(EventQueue.java:706)
    23. java.security.AccessController.doPrivileged(Native Method)
    24. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
    25. java.awt.EventQueue.dispatchEvent(EventQueue.java:705)
    26. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
    27. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
    28. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
    29. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
    30. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
    31. java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
    31 frames