super(a_reason);
super(a_reason + " Minor: " + Integer.toHexString(a_minor) + " (" + (a_minor & 0xFFF) + "). Completed: "+a_completed);
  protected SystemException(String a_reason, int a_minor,                            CompletionStatus a_completed                           )  {    super(a_reason);    minor = a_minor;    completed = a_completed;  }