Your component path (/export/home/set/scripts/perl/site_build/base_dir/htdocs/reviews/test.html) matches a real file on disk (/export/home/set/scripts/perl/site_build/base_dir/htdocs/reviews/test.html).  Have you read about the component root in the Administrator's Manual (HTML::Mason::Admin)? at /usr/local/lib/perl5/site_perl/5.8.0/HTML/Mason/Resolver/File.pm line 91.
could not find component for initial path '/export/home/set/scripts/perl/site_build/base_dir/htdocs/reviews/test.html'

Stack:
  [/usr/local/lib/perl5/site_perl/5.8.0/Exception/Class.pm:153]
  [/usr/local/lib/perl5/site_perl/5.8.0/HTML/Mason/Request.pm:226]
  [/usr/local/lib/perl5/site_perl/5.8.0/HTML/Mason/Request.pm:166]
  [/usr/local/lib/perl5/site_perl/5.8.0/Class/Container.pm:265]
  [/usr/local/lib/perl5/site_perl/5.8.0/Class/Container.pm:343]
  [/usr/local/lib/perl5/site_perl/5.8.0/HTML/Mason/Interp.pm:232]
  [/usr/local/lib/perl5/site_perl/5.8.0/HTML/Mason/Interp.pm:226]
  [./generate_html.pl:46]
  [/usr/local/lib/perl5/5.8.0/File/Find.pm:849]
  [/usr/local/lib/perl5/5.8.0/File/Find.pm:666]
  [/usr/local/lib/perl5/5.8.0/File/Find.pm:1160]
  [./generate_html.pl:27]

Stack:
  [/usr/local/lib/perl5/site_perl/5.8.0/HTML/Mason/Request.pm:281]
  [/usr/local/lib/perl5/site_perl/5.8.0/HTML/Mason/Request.pm:385]
  [/usr/local/lib/perl5/site_perl/5.8.0/HTML/Mason/Request.pm:351]