Rails An existing connection was forcibly closed by the remote host
请问这是什么样的错误，如何解决？下面是运行的 log
Started POST "/checkmen/import" for 127.0.0.1 at 2012-11-01 13:41:56 +0800
Processing by CheckmenController#upload as HTML
Parameters: {"数据省略 "}
Redirected to http://localhost:3000/checkmen/import
Completed 302 Found in 6ms (ActiveRecord: 0.0ms)
[2012-11-01 13:41:56] ERROR Errno::ECONNRESET: An existing connection was forcibly closed by the remote host.
c:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:80:in eof?'
c:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:80:in run'
c:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/server.rb:191:in block in start_thread'
Started GET "/checkmen/import" for 127.0.0.1 at 2012-11-01 13:41:56 +0800
Processing by CheckmenController#import as HTML
Rendered checkmen/import.html.erb within layouts/application (2.0ms)
Completed 200 OK in 22ms (Views: 22.0ms | ActiveRecord: 0.0ms)
