java.lang.NullPointerException

Coderanch | David O Byrne | 9 years ago
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    Urgent help needed debugging

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    java.lang.NullPointerException
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    Vector NullPointerException

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    java.lang.NullPointerException
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    New to Java & need help

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    java.lang.NullPointerException
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    Problem with GridBagLayout

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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at java.awt.Container.addImpl()
  2. Java RT
    Container.add
    1. java.awt.Container.addImpl(Container.java:1019)
    2. java.awt.Container.add(Container.java:351)
    2 frames
  3. Unknown
    startApp.main
    1. MainPage.<init>(MainPage.java:36)
    2. startApp.<init>(startApp.java:37)
    3. startApp.main(startApp.java:70)
    3 frames