Index: C:/home/atsimbir/Harmony/classlib/modules/swing/src/main/java/common/javax/swing/plaf/basic/BasicSeparatorUI.java =================================================================== --- C:/home/atsimbir/Harmony/classlib/modules/swing/src/main/java/common/javax/swing/plaf/basic/BasicSeparatorUI.java (revision 486090) +++ C:/home/atsimbir/Harmony/classlib/modules/swing/src/main/java/common/javax/swing/plaf/basic/BasicSeparatorUI.java (working copy) @@ -61,6 +61,9 @@ } protected void uninstallDefaults(final JSeparator s) { + if (s == null) { + return; + } Utilities.uninstallColorsAndFont(s); }