ログローテートのリミット

Rails

development環境ではログのサイズに制限がある様なので、以下のようなエラーが出たときはログのサイズを制限する

=> Booting WEBrick
=> Rails 2.3.3 application starting on http://0.0.0.0:3000
[2010-04-21 10:29:50] INFO  WEBrick 1.3.1
=> Call with -d to detach
=> Ctrl-C to shutdown server
[2010-04-21 10:29:50] INFO  ruby 1.8.7 (2008-08-11) [i386-mswin32]
[2010-04-21 10:29:50] INFO  WEBrick::HTTPServer#start: pid=3584 port=3000
Error during failsafe response: Shifting failed. closed stream
[2010-04-21 10:30:00] ERROR NoMethodError: You have a nil object when you didn't expect it!
You might have expected an instance of Array.
The error occurred while evaluating nil.each
        C:/Program Files/ruby-1.8/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/utils.rb:192:in `initialize'
        C:/Program Files/ruby-1.8/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/content_length.rb:14:in `new'
        C:/Program Files/ruby-1.8/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/content_length.rb:14:in `call'
        C:/Program Files/ruby-1.8/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/handler/webrick.rb:46:in `service'
        C:/Program Files/ruby-1.8/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
        C:/Program Files/ruby-1.8/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
        C:/Program Files/ruby-1.8/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
        C:/Program Files/ruby-1.8/lib/ruby/1.8/webrick/server.rb:162:in `start'
        C:/Program Files/ruby-1.8/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
        C:/Program Files/ruby-1.8/lib/ruby/1.8/webrick/server.rb:95:in `start'
        C:/Program Files/ruby-1.8/lib/ruby/1.8/webrick/server.rb:92:in `each'
        C:/Program Files/ruby-1.8/lib/ruby/1.8/webrick/server.rb:92:in `start'
        C:/Program Files/ruby-1.8/lib/ruby/1.8/webrick/server.rb:23:in `start'
        C:/Program Files/ruby-1.8/lib/ruby/1.8/webrick/server.rb:82:in `start'
        C:/Program Files/ruby-1.8/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/handler/webrick.rb:13:in `run'
        C:/Program Files/ruby-1.8/lib/ruby/gems/1.8/gems/rails-2.3.3/lib/commands/server.rb:111
        C:/Program Files/ruby-1.8/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
        C:/Program Files/ruby-1.8/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
        script/server:3