java.lang.NullPointerException

Coderanch | Pradyumna Sahoo | 4 years ago
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  1. 0

    Java awt/swing

    Coderanch | 4 years ago | Pradyumna Sahoo
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at user.test.MyApplication.start()
    2. user.test
      MyApplication.actionPerformed
      1. user.test.MyApplication.start(MyApplication.java:99)
      2. user.test.MyApplication.actionPerformed(MyApplication.java:113)
      2 frames
    3. Java RT
      EventDispatchThread.run
      1. java.awt.Button.processActionEvent(Unknown Source)
      2. java.awt.Button.processEvent(Unknown Source)
      3. java.awt.Component.dispatchEventImpl(Unknown Source)
      4. java.awt.Component.dispatchEvent(Unknown Source)
      5. java.awt.EventQueue.dispatchEventImpl(Unknown Source)
      6. java.awt.EventQueue.access$200(Unknown Source)
      7. java.awt.EventQueue$3.run(Unknown Source)
      8. java.awt.EventQueue$3.run(Unknown Source)
      9. java.security.AccessController.doPrivileged(Native Method)
      10. java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
      11. java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
      12. java.awt.EventQueue$4.run(Unknown Source)
      13. java.awt.EventQueue$4.run(Unknown Source)
      14. java.security.AccessController.doPrivileged(Native Method)
      15. java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
      16. java.awt.EventQueue.dispatchEvent(Unknown Source)
      17. java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
      18. java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
      19. java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
      20. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      21. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      22. java.awt.EventDispatchThread.run(Unknown Source)
      22 frames