On Solaris 2.6 with ja_JP.PCK locale,
System.getProperty() can't get the property named by Shift-JIS characters from command line. 

Please compile following program.
And run commands below.

%echo "Expect: �����������������������123"
%java -Dmy.prop=�����������������������123 SysProp my.prop
%echo "Expect: �����������������������123"
%java -D��������prop=�����������������������123 SysProp ��������prop

Shift-JIS property name is not recognized.


====== SysProp.java =============================================================
public class SysProp {
  public static void main(String args[]) {
    System.out.println(System.getProperty(args[0]));
  }
}

=================================================================================