On Jun 13, 2013, at 2:22 PM, Eric Wong <[email protected]> wrote:
> Jonathan Rudenberg <[email protected]> wrote: >> RFC 2616 section 9.4[1] states: >> >>> The HEAD method is identical to GET except that the server MUST NOT return >>> a message-body in the response. >> >> A HEAD request against this simple Rack app running on unicorn-4.6.2: >> >> require 'rack' >> > > + use Rack::Head > >> run lambda { |env| [200, {}, []] } > > The Rack::Head middleware should be used to correctly strip HEAD > responses of their bodies (frameworks such as Rails/Sinatra should > already add Rack::Head to the middleware stack for you) This does not change the result, as the Rack::Head implementation looks like this: def call(env) status, headers, body = @app.call(env) if env["REQUEST_METHOD"] == "HEAD" body.close if body.respond_to? :close [status, headers, []] else [status, headers, body] end end >> Looks like this on the wire: >> >> HEAD / HTTP/1.1 >> User-Agent: curl/7.24.0 (x86_64-apple-darwin12.0) libcurl/7.24.0 >> OpenSSL/0.9.8x zlib/1.2.5 >> Host: localhost:8080 >> Accept: */* >> >> HTTP/1.1 200 OK >> Date: Thu, 13 Jun 2013 16:04:55 GMT >> Status: 200 OK >> Connection: close >> Transfer-Encoding: chunked >> >> 0 >> >> HTTP/1.1 500 Internal Server Error > >> As you can see, not only is there a zero-length chunked encoding body, >> but for some unknown reason there is a 500 response with no body as >> well. > > Try using "-d" on the command-line to enable debugging to see what the > error is (and check the logs/stderr output). Exception `Errno::ENOTCONN' at /Users/titanous/.gem/ruby/1.9.3/gems/unicorn-4.6.2/lib/unicorn/http_server.rb:565 - Socket is not connected > Also, what RACK_ENV (or -E/--env) are you using? It could be the > incorrect HEAD response tripping Rack::Lint under development mode. None, specified, I'm booting unicorn with no configuration or flags specified. > >> Please cc any responses directly to me, as I do not subscribe to this list. > > Done :> _______________________________________________ Unicorn mailing list - [email protected] http://rubyforge.org/mailman/listinfo/mongrel-unicorn Do not quote signatures (like this one) or top post when replying
