Index: src/main/java/common/javax/swing/plaf/basic/BasicMenuItemUI.java =================================================================== --- src/main/java/common/javax/swing/plaf/basic/BasicMenuItemUI.java (revision 494496) +++ src/main/java/common/javax/swing/plaf/basic/BasicMenuItemUI.java (working copy) @@ -300,6 +300,9 @@ } public Dimension getMinimumSize(final JComponent c) { + if (c == null) { + throw new NullPointerException("component is null"); + } return null; } @@ -308,6 +311,9 @@ } public Dimension getMaximumSize(final JComponent c) { + if (c == null) { + throw new NullPointerException("component is null"); + } return null; }