java.lang.NullPointerException

Oracle Community | 807587 | 1 decade ago
  1. 0

    Error while running this small Application. Please Guide

    Oracle Community | 1 decade ago | 807587
    java.lang.NullPointerException
  2. 0

    Changing theme/L&F causes NPE

    GitHub | 2 years ago | bflorat
    java.lang.NullPointerException
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  4. 0

    Using a custom Document implementation with JTextArea

    Google Groups | 1 decade ago | Brian J. Sayatovic
    java.lang.NullPointerException
  5. 0

    JTextPane/LabelView Bug?

    Google Groups | 2 decades ago | David Liersch
    java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at javax.swing.plaf.basic.BasicTabbedPaneUI$TabbedPaneLayout.calculateSize()
    2. Java RT
      JComponent.getPreferredSize
      1. javax.swing.plaf.basic.BasicTabbedPaneUI$TabbedPaneLayout.calculateSize(BasicTabbedPaneUI.java:1293)
      2. javax.swing.plaf.basic.BasicTabbedPaneUI$TabbedPaneLayout.preferredLayoutSize(BasicTabbedPaneUI.java:1272)
      3. java.awt.Container.preferredSize(Container.java:836)
      4. java.awt.Container.getPreferredSize(Container.java:820)
      5. javax.swing.JComponent.getPreferredSize(JComponent.java:1044)
      5 frames