From: "meta (mathew murphy)" Date: 2012-11-30T05:02:32+09:00 Subject: [ruby-core:50340] [ruby-trunk - Bug #7469][Open] WEBrick "Could not determine content-length of response body. Set content-length of the response..." even when content-length is set Issue #7469 has been reported by meta (mathew murphy). ---------------------------------------- Bug #7469: WEBrick "Could not determine content-length of response body. Set content-length of the response..." even when content-length is set https://bugs.ruby-lang.org/issues/7469 Author: meta (mathew murphy) Status: Open Priority: Normal Assignee: Category: Target version: ruby -v: ruby 1.9.3p327 (2012-11-10 revision 37606) [x86_64-linux] Minimal demonstration code: ######## require 'webrick' class BugDemonstrator < WEBrick::HTTPServlet::AbstractServlet def do_GET(request, response) response.body = '' response.status = 204 response.content_length = 0 end end server = WEBrick::HTTPServer.new(:Port => 8080, :AccessLog => []) server.mount "/", BugDemonstrator trap("INT") do server.shutdown end server.start ######## Output when run, connecting to localhost:8080 to issue an HTTP GET: $ ruby webrickbug.rb [2012-11-29 13:21:25] INFO WEBrick 1.3.1 [2012-11-29 13:21:25] INFO ruby 1.9.3 (2012-11-10) [x86_64-linux] [2012-11-29 13:21:25] WARN TCPServer Error: Address already in use - bind(2) [2012-11-29 13:21:25] INFO WEBrick::HTTPServer#start: pid=4941 port=8080 [2012-11-29 13:21:29] WARN Could not determine content-length of response body. Set content-length of the response or set Response#chunked = true ^C[2012-11-29 13:21:32] INFO going to shutdown ... [2012-11-29 13:21:32] INFO WEBrick::HTTPServer#start done. $ ruby --version ruby 1.9.3p327 (2012-11-10 revision 37606) [x86_64-linux] $ I'm doing literally what the warning message says to do -- i.e. setting the content-length of the response -- but I'm still getting the warning. -- http://bugs.ruby-lang.org/