throws Exception {
/* get old password from user */
char [] oldPassword = getOldPassword() ;
UserManager userMgr = UserManager.getInstance() ;
User user = userMgr.verifyUsernamePassword(AuthConstants.USER_ADMIN,oldPassword);
if(user == null) {
System.out.println("\nInvalid password") ;
return ;
}
/* get new password from user */