たとえば、私はたくさんのことを試しました:
Ruby 1.9.3エンコーディングの問題で Mechanizeし、Mechanize::FileオブジェクトからMechanize::Pageオブジェクトに変換するにはどうすればよいですか?
しかし、私が得続けるエラーは
.rvm/gems/ruby-1.9.3-p194/gems/mechanize-2.0.1/lib/mechanize/util.rb:59:in `encode': code converter not found (UTF-8 to UTF8) (Encoding::ConverterNotFoundError)
from /home/dhahn/.rvm/gems/ruby-1.9.3-p194/gems/mechanize-2.0.1/lib/mechanize/util.rb:59:in `encode_to'
from /home/dhahn/.rvm/gems/ruby-1.9.3-p194/gems/mechanize-2.0.1/lib/mechanize/util.rb:45:in `from_native_charset'
from /home/dhahn/.rvm/gems/ruby-1.9.3-p194/gems/mechanize-2.0.1/lib/mechanize/form.rb:187:in `from_native_charset'
from /home/dhahn/.rvm/gems/ruby-1.9.3-p194/gems/mechanize-2.0.1/lib/mechanize/form.rb:181:in `block in proc_query'
from /home/dhahn/.rvm/gems/ruby-1.9.3-p194/gems/mechanize-2.0.1/lib/mechanize/form.rb:180:in `map'
from /home/dhahn/.rvm/gems/ruby-1.9.3-p194/gems/mechanize-2.0.1/lib/mechanize/form.rb:180:in `proc_query'
from /home/dhahn/.rvm/gems/ruby-1.9.3-p194/gems/mechanize-2.0.1/lib/mechanize/form.rb:206:in `block in build_query'
from /home/dhahn/.rvm/gems/ruby-1.9.3-p194/gems/mechanize-2.0.1/lib/mechanize/form.rb:198:in `each'
from /home/dhahn/.rvm/gems/ruby-1.9.3-p194/gems/mechanize-2.0.1/lib/mechanize/form.rb:198:in `build_query'
from /home/dhahn/.rvm/gems/ruby-1.9.3-p194/gems/mechanize-2.0.1/lib/mechanize/form.rb:249:in `request_data'
from /home/dhahn/.rvm/gems/ruby-1.9.3-p194/gems/mechanize-2.0.1/lib/mechanize.rb:618:in `post_form'
from /home/dhahn/.rvm/gems/ruby-1.9.3-p194/gems/mechanize-2.0.1/lib/mechanize.rb:520:in `submit'
from /home/dhahn/.rvm/gems/ruby-1.9.3-p194/gems/mechanize-2.0.1/lib/mechanize/form.rb:167:in `submit'
from /home/dhahn/user-management/test_script/EWI.rb:73:in `add_ext'
from testewi.rb:15:in `<main>'
mechanizeを使用するクラスがあり、ruby 1.8.7で動作しますが、残りのrailsアプリは1.9.3であるため、1.9.3で動作する必要があります。申し訳ありませんが、私は今ちょっと頭がおかしいので、何か他のものを含める必要がある場合は私に知らせてください。これは、ここでの私の最初の質問でもあります。