java.lang.NullPointerException

Oracle Community | 807595 | 1 decade ago
  1. 0

    java.lang.NullPointerException at pressing a Button

    Oracle Community | 1 decade ago | 807595
    java.lang.NullPointerException
  2. 0

    Java. Null meaning of object field

    Stack Overflow | 3 years ago | Sergey Scopin
    java.lang.NullPointerException
  3. 0
    Assign onCickListener to imageView in ExpandableListView inside getChildView.
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  5. 0
    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.
  6. 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 LoaderConn.conectando()
    2. Unknown
      MainForm$1.actionPerformed
      1. LoaderConn.conectando(LoaderConn.java:61)
      2. MainForm.jButton1_actionPerformed(MainForm.java:145)
      3. MainForm.access$0(MainForm.java:118)
      4. MainForm$1.actionPerformed(MainForm.java:54)
      4 frames
    3. Java RT
      EventDispatchThread.run
      1. javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
      2. javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
      3. javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
      4. javax.swing.DefaultButtonModel.setPressed(Unknown Source)
      5. javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
      6. java.awt.Component.processMouseEvent(Unknown Source)
      7. javax.swing.JComponent.processMouseEvent(Unknown Source)
      8. java.awt.Component.processEvent(Unknown Source)
      9. java.awt.Container.processEvent(Unknown Source)
      10. java.awt.Component.dispatchEventImpl(Unknown Source)
      11. java.awt.Container.dispatchEventImpl(Unknown Source)
      12. java.awt.Component.dispatchEvent(Unknown Source)
      13. java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
      14. java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
      15. java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
      16. java.awt.Container.dispatchEventImpl(Unknown Source)
      17. java.awt.Window.dispatchEventImpl(Unknown Source)
      18. java.awt.Component.dispatchEvent(Unknown Source)
      19. java.awt.EventQueue.dispatchEvent(Unknown Source)
      20. java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
      21. java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
      22. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      23. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      24. java.awt.EventDispatchThread.run(Unknown Source)
      24 frames