java.lang.NullPointerException

Coderanch | Avirup Das | 7 years ago
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at TestFrame$MyTableModel.getColumnClass()
    2. Unknown
      TestFrame$MyTableModel.getColumnClass
      1. TestFrame$MyTableModel.getColumnClass(TestFrame.java:297)
      1 frame
    3. Java RT
      BasicTableUI.paint
      1. javax.swing.JTable.getColumnClass(JTable.java:1752)
      2. javax.swing.JTable.getCellRenderer(JTable.java:3700)
      3. javax.swing.plaf.basic.BasicTableUI.paintCell(BasicTableUI.java:1148)
      4. javax.swing.plaf.basic.BasicTableUI.paintCells(BasicTableUI.java:1051)
      5. javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:974)
      5 frames