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

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via Oracle Community by 843851, 1 year ago
java.lang.NullPointerException:
at java.awt.ContainerOrderFocusTraversalPolicy.getFirstComponent(libgcj.so.90)
at java.awt.ContainerOrderFocusTraversalPolicy.getFirstComponent(libgcj.so.90)
at java.awt.ContainerOrderFocusTraversalPolicy.getFirstComponent(libgcj.so.90)
at java.awt.ContainerOrderFocusTraversalPolicy.getDefaultComponent(libgcj.so.90)
at java.awt.FocusTraversalPolicy.getInitialComponent(libgcj.so.90)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(libgcj.so.90)
at java.awt.Component.dispatchEventImpl(libgcj.so.90)
at java.awt.Container.dispatchEventImpl(libgcj.so.90)
at java.awt.Window.dispatchEventImpl(libgcj.so.90)
at java.awt.Component.dispatchEvent(libgcj.so.90)
at java.awt.EventQueue.dispatchEvent(libgcj.so.90)

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