package my first Blackberry widget. - xml file not found

I am trying to package my first Blackberry widget. as described on Blackberry site:

http://docs.blackberry.com/en/developers/deliverables/10593/BlackBerry_widget_samples_Hello_world.pdf

I edited files i开发者_如何学JAVAn Eclipse and an trying to create a .cod file with command line packaging tool.

Contents of zip files include config.xml

 Directory of C:\trash\hello

12/13/2010  03:11 PM    <DIR>          .
12/13/2010  03:11 PM    <DIR>          ..
09/29/2009  02:09 PM               544 config.xml
12/13/2010  03:11 PM                 0 file.txt
09/29/2009  02:31 PM               648 index.html
12/13/2010  02:32 PM    <DIR>          Scripts
12/13/2010  02:32 PM    <DIR>          Styles
               3 File(s)          1,192 bytes

 Directory of C:\trash\hello\Scripts

12/13/2010  02:32 PM    <DIR>          .
12/13/2010  02:32 PM    <DIR>          ..
09/29/2009  02:32 PM               172 action.js
               1 File(s)            172 bytes

 Directory of C:\trash\hello\Styles

12/13/2010  02:32 PM    <DIR>          .
12/13/2010  02:32 PM    <DIR>          ..
09/29/2009  02:15 PM                14 simple.css
               1 File(s)             14 bytes

However widget packeger cannot find config.xml file.

C:\Research In Motion\BlackBerry Widget Packager>bbwp c:\trash\trash\hello.zip
[INFO]                  Parsing command line options
[INFO]                  Parsing bbwp.properties
[INFO]                  Validating widget archive
[ERROR]                 Invalid widget archive - failed to find config.xml