java.lang.NullPointerException: This exception has no message.

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via Oracle Community by 807577, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at javax.swing.LookAndFeel.uninstallBorder(Unknown Source)
at javax.swing.plaf.basic.BasicScrollPaneUI.uninstallDefaults(Unknown Source)
at javax.swing.plaf.basic.BasicScrollPaneUI.uninstallUI(Unknown Source)
at javax.swing.plaf.metal.MetalScrollPaneUI.uninstallUI(Unknown Source)
at javax.swing.JComponent.compWriteObjectNotify(Unknown Source)
at javax.swing.JComponent$EnableSerializationFocusListener.writeObject(Unknown Source)
at java.lang.reflect.Method.invoke(Native Method)
at java.io.ObjectOutputStream.invokeObjectWriter(Unknown Source)
at java.io.ObjectOutputStream.outputObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at java.awt.AWTEventMulticaster.save(Unknown Source)
at java.awt.Component.writeObject(Unknown Source)
at java.lang.reflect.Method.invoke(Native Method)
at java.io.ObjectOutputStream.invokeObjectWriter(Unknown Source)
at java.io.ObjectOutputStream.outputObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at java.io.ObjectOutputStream.outputArray(Unknown Source)
at java.io.ObjectOutputStream.checkSubstitutableSpecialClasses(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at java.io.ObjectOutputStream.outputClassFields(Unknown Source)
at java.io.ObjectOutputStream.defaultWriteObject(Unknown Source)
at java.awt.Container.writeObject(Unknown Source)
at java.lang.reflect.Method.invoke(Native Method)
at java.io.ObjectOutputStream.invokeObjectWriter(Unknown Source)
at java.io.ObjectOutputStream.outputObject(Unknown Source)
at sun.beans.ole.OleBeanInterface.saveBean(Unknown Source)

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