Container.add() has thrown a NullPointerException

We found this prefix in 212 webpages.
MapChildren (156)Typical messages (1)TraceDetailed Map
  1. java.lang.NullPointerException
    1.   at java.awt.Container.addImpl()
    2.   at java.awt.Container.add()
  1. NullPointerException

    Container.add()
    Crashes:22
    Projects:0
    Web Pages:22
    Error Reports:0
    First:10 months ago
    Last:7 months ago
    preview
  2. NullPointerException

    InvocationEvent.dispatch()
    Crashes:9
    Projects:0
    Web Pages:9
    Error Reports:0
    First:10 months ago
    Last:7 months ago
    preview
  3. NullPointerException

    JMenu.add()
    Crashes:6
    Projects:0
    Web Pages:6
    Error Reports:0
    First:10 months ago
    Last:7 months ago
    preview
  4. NullPointerException

    Container.add()
    Crashes:5
    Projects:0
    Web Pages:5
    Error Reports:0
    First:10 months ago
    Last:7 months ago
    preview
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    Last:2 years ago
    Author:Easy TI
  7. NullPointerException

    TimerThread.mainLoop()
    Crashes:3
    Projects:0
    Web Pages:3
    Error Reports:0
    First:2 weeks ago
    Last:2 weeks ago
    preview
  8. Something wrong with my GUI

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    Last:2 years ago
    Author:807598
  9. [Forms6i - PJC/BeanArea] java.io.IOException: open HTTP connection failed.

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    Last:2 years ago
    Author:ofv7600
  10. Jasperreport java.lang.NoSuchMethodException: Unknown property

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    Last:1 year ago
    Author:807606
  11. PLEASE!!! I need help with... NullPointerException

    First:15 years ago
    Last:2 years ago
    Author:807549
  12. Null pointer exception in PropertySheet

    First:18 years ago
    Last:2 years ago
    Author:mryzl
  13. NullPointerException

    SingleConfigurableEditor.<init>()
    Crashes:3
    Projects:0
    Web Pages:3
    Error Reports:0
    First:10 months ago
    Last:7 months ago
    preview
  14. Newbie problems with NullPointerException Error

    First:10 years ago
    Last:1 year ago
    Author:807601
  15. NullPointerException

    JxtaChess.main()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:2 weeks ago
    Last:2 weeks ago
    preview
  16. java program problem

    First:15 years ago
    Last:1 year ago
    Author:Matthew
  17. Random placement of buttons on grid layout

    First:14 years ago
    Last:2 years ago
    Author:807596
  18. NullPointerException in main thread

    First:3 years ago
    Last:3 years ago
    Author:lonelearner
  19. NullPointerException

    Thread.run()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:2 weeks ago
    Last:2 weeks ago
    preview
  20. nullPointerException

    First:16 years ago
    Last:2 years ago
    Author:807553
  21. NullPointerException

    Calculator.main()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:4 months ago
    Last:4 months ago
    preview
  22. HELP

    First:16 years ago
    Last:1 year ago
    Author:Sherrine
  23. NullPointerException

    TableViewer2.main()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:4 months ago
    Last:4 months ago
    preview
  24. NullPointerException

    NewEditor.main()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:2 weeks ago
    Last:2 weeks ago
    preview
  25. NullPointerException

    Telephone.main()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:4 months ago
    Last:4 months ago
    preview
  26. mouse listener to JLabels

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    Last:3 years ago
    Author:War1ock
  27. Vector NullPointerException

    First:13 years ago
    Last:2 years ago
    Author:843790
  28. NullPointerException

    GUIManager.main()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:2 weeks ago
    Last:2 weeks ago
    preview
  29. Why am I getting a NullPointerException

    First:5 years ago
    Last:3 years ago
    Author:user3051472
  30. Getting null pointer, don't know why

    First:4 years ago
    Last:3 years ago
    Author:CDickson
  31. JPanel Issue : java.lang.NullPointerException

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    Last:3 years ago
    Author:user3552931
  32. Runtime error when implmenting Java gui sliders

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  33. Layout manager error.

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    Author:843807
  34. GitHub iconCan't open MEP-> Settings in Preferences

    First:1 year ago
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    Author:michaelkonecny
  35. NullPointerException

    SdkSettingsStep.<init>()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:10 months ago
    Last:7 months ago
    preview
  36. java.security.AccessControlException

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    Last:9 months ago
    Author:843785
  37. GUI program could not update

    First:6 years ago
    Last:3 years ago
    Author:JavaLeave
  38. NullPointerException

    Thread.run()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:2 weeks ago
    Last:2 weeks ago
    preview
  39. Java Null Pointer Exception in Worker Class

    First:4 years ago
    Last:3 years ago
    Author:DashingShorty
  40. NullPointerException

    MainPage.<init>()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:10 months ago
    Last:7 months ago
    preview
  41. NullPointerException

    EventDispatchThread.run()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:2 weeks ago
    Last:2 weeks ago
    preview
  42. I'm trying to set lines on JPanel on JFrame as standard

    First:5 years ago
    Last:3 years ago
    Author:juju
  43. Unexpected runtime error with custom control (Java Swing GUI)

    First:3 years ago
    Last:3 years ago
    Author:hjaltist
  44. NullPointerException

    Component.processMouseEvent()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:2 weeks ago
    Last:2 weeks ago
    preview
  45. nullpointerexception error in java gui

    First:5 years ago
    Last:3 years ago
    Author:Nabil Helling
  46. HELP!!!!

    First:10 years ago
    Last:1 year ago
    Author:807601
  47. NullPointerException

    Adempiere.main()
    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:4 months ago
    Last:4 months ago
    preview
  48. Some simple GUI -= need help

    First:10 years ago
    Last:6 months ago
    Author:807591
  49. Null pointers and private members, basic Java GUI with swing

    First:5 years ago
    Last:3 years ago
    Author:Adam
  50. applet not initialsed error-its urgent

    First:9 years ago
    Last:3 months ago
    Author:843789
MessageNumber of crashes
<No message>212
  1. java.lang.NullPointerException
    1.   at java.awt.Container.addImpl()
    2.   at java.awt.Container.add()