java.lang.NullPointerException

Coderanch | Darren Wan | 2 years ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at SearchBookScreen.displayBookDetails()
  2. Unknown
    SearchBookScreen.actionPerformed
    1. SearchBookScreen.displayBookDetails(SearchBookScreen.java:609)
    2. SearchBookScreen.actionPerformed(SearchBookScreen.java:393)
    2 frames
  3. 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.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
    6. java.awt.Component.processMouseEvent(Component.java:6525)
    7. javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
    8. java.awt.Component.processEvent(Component.java:6290)
    9. java.awt.Container.processEvent(Container.java:2234)
    10. java.awt.Component.dispatchEventImpl(Component.java:4881)
    11. java.awt.Container.dispatchEventImpl(Container.java:2292)
    12. java.awt.Component.dispatchEvent(Component.java:4703)
    13. java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898)
    14. java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533)
    15. java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462)
    16. java.awt.Container.dispatchEventImpl(Container.java:2278)
    17. java.awt.Window.dispatchEventImpl(Window.java:2750)
    18. java.awt.Component.dispatchEvent(Component.java:4703)
    19. java.awt.EventQueue.dispatchEventImpl(EventQueue.java:751)
    20. java.awt.EventQueue.access$500(EventQueue.java:97)
    21. java.awt.EventQueue$3.run(EventQueue.java:702)
    22. java.awt.EventQueue$3.run(EventQueue.java:696)
    23. java.security.AccessController.doPrivileged(Native Method)
    24. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
    25. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
    26. java.awt.EventQueue$4.run(EventQueue.java:724)
    27. java.awt.EventQueue$4.run(EventQueue.java:722)
    28. java.security.AccessController.doPrivileged(Native Method)
    29. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
    30. java.awt.EventQueue.dispatchEvent(EventQueue.java:721)
    31. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
    32. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
    33. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
    34. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
    35. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
    36. java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
    36 frames