java.lang.NullPointerException

Coderanch | Mathew Mintalm | 7 years ago
  1. 0

    Open File Function

    Coderanch | 7 years ago | Mathew Mintalm
    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 l2jeditor.MainWindow.getJTextArea()
    2. l2jeditor
      MainWindow$20.actionPerformed
      1. l2jeditor.MainWindow.getJTextArea(MainWindow.java:78)
      2. l2jeditor.MainWindow.loadFile(MainWindow.java:57)
      3. l2jeditor.MainWindow.access$4(MainWindow.java:51)
      4. l2jeditor.MainWindow$20.actionPerformed(MainWindow.java:979)
      4 frames
    3. Java RT
      EventDispatchThread.run
      1. javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
      2. javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
      3. javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
      4. javax.swing.DefaultButtonModel.setPressed(Unknown Source)
      5. javax.swing.AbstractButton.doClick(Unknown Source)
      6. javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source)
      7. javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(Unknown Source)
      8. java.awt.Component.processMouseEvent(Unknown Source)
      9. javax.swing.JComponent.processMouseEvent(Unknown Source)
      10. java.awt.Component.processEvent(Unknown Source)
      11. java.awt.Container.processEvent(Unknown Source)
      12. java.awt.Component.dispatchEventImpl(Unknown Source)
      13. java.awt.Container.dispatchEventImpl(Unknown Source)
      14. java.awt.Component.dispatchEvent(Unknown Source)
      15. java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
      16. java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
      17. java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
      18. java.awt.Container.dispatchEventImpl(Unknown Source)
      19. java.awt.Window.dispatchEventImpl(Unknown Source)
      20. java.awt.Component.dispatchEvent(Unknown Source)
      21. java.awt.EventQueue.dispatchEvent(Unknown Source)
      22. java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
      23. java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
      24. java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
      25. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      26. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      27. java.awt.EventDispatchThread.run(Unknown Source)
      27 frames