issue while creating defaults file

i am getting the following below error message while creating default file. Can any one please advice how to resolve the same.

-------------------------------------------------------------------------------------------- ----------------------------------------------------

-bash-3.00$ adadmin defaultsfile=/apps/applmgr/dxbappl/admin/dxb_linuxpc/log/def.txt

                     Copyright (c) 2002 Oracle Corporation
                        Redwood Shores, California, USA

                     Oracle Applications AD Administration

                                 Version 11.5.0

NOTE: You may not use this utility for custom development
      unless you have written permission from Oracle Corporation.

You have not specified the correct path for defaults file.

The expected location of the defaults file is
     /apps/applmgr/dxbappl/admin/dxb
and you must provide full access path to the file.