java.lang.NullPointerException

Oracle Community | 807587 | 1 decade ago
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    Table SubHeaders

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

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at MyProject.GroupableTableHeaderUI.getHeaderHeight()
    2. MyProject
      GroupableTableHeaderUI.getPreferredSize
      1. MyProject.GroupableTableHeaderUI.getHeaderHeight(GroupableHeaderExample.java:345)
      2. MyProject.GroupableTableHeaderUI.createHeaderSize(GroupableHeaderExample.java:366)
      3. MyProject.GroupableTableHeaderUI.getPreferredSize(GroupableHeaderExample.java:376)
      3 frames
    3. Java RT
      Container.getPreferredSize
      1. javax.swing.JComponent.getPreferredSize(JComponent.java:1262)
      2. javax.swing.ViewportLayout.preferredLayoutSize(ViewportLayout.java:75)
      3. java.awt.Container.preferredSize(Container.java:1134)
      4. java.awt.Container.getPreferredSize(Container.java:1118)
      4 frames