Is a directory - /home/toofoo/hiki/data/backup/ (Errno::EISDIR)
/home/toofoo/www/kazumim/hiki/db/flatfile.rb:67:in `read'
/home/toofoo/www/kazumim/hiki/db/flatfile.rb:67:in `load_backup'
/home/toofoo/www/kazumim/hiki/command.rb:346:in `cmd_diff'
/home/toofoo/www/kazumim/hiki/command.rb:108:in `send'
/home/toofoo/www/kazumim/hiki/command.rb:108:in `dispatch'
/usr/local/ruby/1.8/lib/ruby/1.8/timeout.rb:67:in `timeout'
/home/toofoo/www/kazumim/hiki/command.rb:81:in `dispatch'
hiki.cgi:32
/home/toofoo/www/kazumim/hiki/storage.rb:14:in `open_db'
hiki.cgi:30