この奇妙なエラーが発生します：downstream app not set
しかし、私のアプリは応答し、うまく機能しています。
確認しましたが、未定義のルートへのリクエストは見つかりませんでした。（多分それをデバッグするためのいくつかのツールがあります）
グーグルもチェック。
助けてください-このエラーを取り除く方法。
ログ：
00:52:51 web.1 | pid13052で開始 00:52:59 web.1 | 127.0.0.1 --- [01 / Feb / 2013 00:52:59] "GET / manage HTTP / 1.1" 200 5046 0.3123 00:52:59 web.1 | 127.0.0.1 --- [01 / Feb / 2013 00:52:59] "GET /javascripts/jquery.imagesloaded.min.js HTTP / 1.1" 304-0.0138 00:52:59 web.1 | 127.0.0.1 --- [01 / Feb / 2013 00:52:59] "GET /javascripts/jquery.masonry.min.js HTTP / 1.1" 304-0.0121 00:52:59 web.1 | 127.0.0.1 --- [01 / Feb / 2013 00:52:59] "GET /javascripts/jquery.capty.custom.js HTTP / 1.1" 304-0.0075 00:52:59 web.1 | 127.0.0.1 --- [01 / Feb / 2013 00:52:59] "GET /stylesheets/articles_grid.css HTTP / 1.1" 304-0.0131 00:52:59 web.1 | 127.0.0.1 --- [01 / Feb / 2013 00:52:59] "GET /javascripts/articles_grid.js HTTP / 1.1" 304 --0.0008 00:53:05 web.1 | RuntimeError-ダウンストリームアプリが設定されていません： 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/sinatra-1.2.6/lib/sinatra/base.rb:688:in `forward ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/sinatra-1.2.6/lib/sinatra/base.rb:772:in `route_missing ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/sinatra-1.2.6/lib/sinatra/base.rb:719:in `route！ ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/sinatra-1.2.6/lib/sinatra/base.rb:715:in `route！ ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/sinatra-1.2.6/lib/sinatra/base.rb:715:in `route！ ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/sinatra-1.2.6/lib/sinatra/base.rb:843:in `dispatch！ ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/sinatra-1.2.6/lib/sinatra/base.rb:644:in `block in call！ ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/sinatra-1.2.6/lib/sinatra/base.rb:808:in `instance_eval ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/sinatra-1.2.6/lib/sinatra/base.rb:808:in `block in invoke ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/sinatra-1.2.6/lib/sinatra/base.rb:808:in `catch ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/sinatra-1.2.6/lib/sinatra/base.rb:808:in `invoke ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/sinatra-1.2.6/lib/sinatra/base.rb:644:in `call！ ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/sinatra-1.2.6/lib/sinatra/base.rb:629:in `call ' 00:53:05 web.1 | /home/blacktea/Projects/*******************/app.rb:22:in `call ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/rack-1.3.2/lib/rack/session/abstract/id.rb:195:in `context ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/rack-1.3.2/lib/rack/session/abstract/id.rb:190:in `call ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/rack-1.3.2/lib/rack/head.rb:9:in `call ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/rack-1.3.2/lib/rack/commonlogger.rb:20:in `call ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/sinatra-1.2.6/lib/sinatra/showexceptions.rb:21:in `call ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/rack-1.3.2/lib/rack/methodoverride.rb:24:in `call ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/thin-1.2.11/lib/thin/connection.rb:84:in `block in pre_process ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/thin-1.2.11/lib/thin/connection.rb:82:in `catch ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/thin-1.2.11/lib/thin/connection.rb:82:in `pre_process ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/thin-1.2.11/lib/thin/connection.rb:57:in `process ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/thin-1.2.11/lib/thin/connection.rb:42:in `receive_data ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run_machine ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/thin-1.2.11/lib/thin/backends/base.rb:61:in `start ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/thin-1.2.11/lib/thin/server.rb:159:in `start ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/thin-1.2.11/lib/thin/controllers/controller.rb:86:in `start ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/thin-1.2.11/lib/thin/runner.rb:185:in `run_command ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/thin-1.2.11/lib/thin/runner.rb:151:in `run！ ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/gems/thin-1.2.11/bin/thin:6:in `' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/bin/thin:19:in `load ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/bin/thin:19:in `' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `eval ' 00:53:05 web.1 | /home/blacktea/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `'
これがlayout.hamlです
!!!
％html
％頭
％meta {：content => "text / html; charset = UTF-8"、 "http-equiv" => "content-type"}
％titleプロジェクト
％script {：src => "https://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"、：type => "text / javascript"}
％script {：src => "/javascripts/jquery.imagesloaded.min.js"、：type => "text / javascript"}
％script {：src => "/javascripts/jquery.masonry.min.js"、：type => "text / javascript"}
％script {：src => "/javascripts/jquery.capty.custom.js"、：type => "text / javascript"}
％link {：rel =>：stylesheet、：href => "/stylesheets/articles_grid.css"、：type => "text / css"}
％script {：src => "/javascripts/articles_grid.js"、：type => "text / javascript"}
％body {：onload => "framesetsize（800、1000）"、：style => "overlflow：hidden;"}
％script {：src => "http://connect.facebook.net/en_US/all.js"、：type => "text / javascript"}
：javascript
FB.init（{
appId：'＃{@app ['id']}'、
クッキー：true
}）;
=収量