Rails 直播不工作（冻结请求）

Question

我对直播功能有疑问。我的控制器：

class SseTestsController < ApplicationController
   include ActionController::Live
   def test1
    response.headers['Content-Type'] = 'text/event-stream'
    3.times {
      puts "writing data to the stream..."
      response.stream.write "hello world"
      sleep 1
    }
    puts "closing stream..."
    response.stream.close
    puts "closed"
  end

路线：

get 'sse' => 'sse_tests#test1'

当我向/sse 发出请求时，什么也没有发生。即使 rails 说：

也没有任何数据发送给客户端

Processing by SseTestsController#test1 as */*
writing data to the stream...
writing data to the stream...
writing data to the stream...
closing stream...
closed
Completed 200 OK in 3008ms (ActiveRecord: 0.0ms)

在wireshark中我只看到请求本身，但没有任何数据发送回客户端：

GET /sse HTTP/1.1
User-Agent: curl/7.40.0
Host: localhost:3000
Accept: */*

并且 curl 冻结等待响应（浏览器也是如此），rails 应用程序冻结并且不处理其他请求。绝对没有任何反应。

我正在使用 puma 服务器

bundle exec rails server -b 0.0.0.0
=> Booting Puma
=> Rails 4.2.0 application starting in development on http://0.0.0.0:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
Puma 2.11.1 starting...
* Min threads: 0, max threads: 16
* Environment: development
* Listening on tcp://0.0.0.0:3000


Started GET "/sse" for 127.0.0.1 at 2015-03-10 16:31:13 +0200
  ActiveRecord::SchemaMigration Load (0.1ms)  SELECT "schema_migrations".* FROM "schema_migrations"
Processing by SseTestsController#test1 as */*
writing data to the stream...
writing data to the stream...
writing data to the stream...
closing stream...
closed
Completed 200 OK in 3007ms (ActiveRecord: 0.0ms)

我试过了

config.preload_frameworks = true
config.allow_concurrency = true

在config/enviroments/development.rb，但没有帮助。

Rails 4.2.0，Ruby 2.0.0p247

Answer 1

问题是由子弹 gem (https://github.com/flyerhzm/bullet) 引起的。问题https://github.com/flyerhzm/bullet/issues/212