java.lang.NullPointerException

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Solutions on the web123928

  • via Terracotta by unnutz, 11 months ago
    This exception has no message.
  • This exception has no message.
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  • Stack trace

    • java.lang.NullPointerException at javax.swing.MultiUIDefaults.getUIError(MultiUIDefaults.java:117) at javax.swing.UIDefaults.getUI(UIDefaults.java:741) at javax.swing.UIManager.getUI(UIManager.java:1012) at javax.swing.JOptionPane.updateUI(JOptionPane.java:1859) at javax.swing.JOptionPane.<init>(JOptionPane.java:1822) at javax.swing.JOptionPane.showOptionDialog(JOptionPane.java:841) at javax.swing.JOptionPane.showConfirmDialog(JOptionPane.java:779) at javax.swing.JOptionPane.showConfirmDialog(JOptionPane.java:741) at robocode.AutoExtract.main(Unknown Source)

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