瘦Web服务器：`start_tcp_server'：在git分支签出后没有acceptor（RuntimeError） [英] Thin web server: `start_tcp_server': no acceptor (RuntimeError) after git branch checkout

问题描述

一个Rails 3.2.0应用程序，在Thin web服务器上运行良好，在本地和Heroku雪松堆栈上都可以使用。

之后：

  $ git branch work 
 $ git checkout work 
 $ rails server 
  

我得到：

  =>启动瘦身
 => Rails 3.2.0应用程序在http://0.0.0.0:3000开发中开始
 =>用-d呼叫以分离
 => Ctrl-C关闭服务器
>>瘦网页服务器（v1.3.1 codename Triple Espresso）
>>最大连接数设置为1024 
>>听取0.0.0.0:3000，CTRL + C停止
退出
 /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/eventmachine-0.12.10/lib/ eventmachine.rb：572：在`start_tcp_server'：no acceptor（RuntimeError）
 from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/eventmachine-0.12.10/lib/eventmachine .rb：572：在`start_server'
 from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/thin-1.3.1/lib/thin/backends/tcp_server.rb： 16：在`连接'
从/Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/thin-1.3.1/lib/thin/backends/base.rb:53:in `block in start'
 from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in`call'$ b $ / from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in`run_machine'
 from / Users / peter /.rvm/gems/ruby-1.9.3-p125/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in`run'
 from /Users/peter/.rvm/gems/ruby -1.9.3-p125 / gems / thin-1.3.1 / lib / thin / backends / base.rb：61：在`start'
 from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/thin-1.3.1/lib/thin/server.rb:159:in`start'
 from / Users / peter / .rvm / gems / ruby​​-1.9.3-p125 / gems / rack-1.4.1 / lib / rack / handler / thin.rb：13：从/ Users / peter /中运行
。 rvm / gems / ruby​​-1.9.3-p125 / gems / rack-1.4.1 / lib / rack / server.rb：265：在`start'
 from /Users/peter/.rvm/gems/ruby -1.9.3-p125 / gems / railties-3.2.0 / lib / rails / commands / server.rb：70：在`start'
 from /Users/peter/.rvm/gems/ruby-1.9。 3-p125 / gems / railties-3.2.0 / lib / rails / commands.rb：55：在< top（必填）>块中的$'$ b $ / from /Users/peter/.rvm/gems/ ruby-1.9.3-p125 / gems / railties-3.2.0 / lib / rails / commands.rb：50：在'tap'中
从/Users/peter/.rvm/gems/ruby-1.9.3 -p125 / gems / railties-3.2.0 / lib / rails / commands.rb：50：在< top（required）>'
从脚本/导轨：6：在'require'
脚本/ rails：6：在< main>中
  

另外，当我这样做时：

  sudo bundle exec rails rails thin -p 3000 
  

我得到：

  /Users/peter/.rvm/ ruby-1.9.3-p125 / lib / ruby​​ / site_ruby / 1.9.1 / ruby​​gems / dependency.rb：247：in`to_specs'：在[bigdecimal-1.1.0]之间找不到bundler（> = 0） ，io-console-0.3，json-1.5.4，minitest-2.5.1，rake-0.9.2.2，rdoc-3.9.4]（Gem :: LoadError）$ / $ b / from /Users/peter/.rvm/ rubies / ruby​​-1.9.3-p125 / lib / ruby​​ / site_ruby / 1.9.1 / ruby​​gems / dependency.rb：256：在`to_spec'
 from /Users/peter/.rvm/rubies/ruby-1.9 .3-p125 / lib / ruby​​ / site_ruby / 1.9.1 / ruby​​gems.rb：1210：从/Users/peter/.rvm/gems/ruby-1.9.3-p125/bin/获得`gem'
 bundle：18：在`< main>'
  

我安装了bundler 1.0.22。更新并安装它。似乎没有任何工作。任何想法？

解决方案

这适用于我。 Find（zombie？）服务器（在服务器运行时退出终端时可能发生）：
$ b $ pre $ $ $ $ $ $ $ grep rails

如果它返回类似于：

  33467 s002 S + 0：00.00 grep rails 
 33240 s003 S + 0：15.05 /Users/Arta/.rbenv/versions/1.9.2-p290/bin/ruby script / rails s -p 3000 
  

杀了它，并重新运行：

  $ kill -9 33240 
 $ rails s 
  

A Rails 3.2.0 app, working fine with Thin web server, both locally and on Heroku cedar stack.

After:

$ git branch work
$ git checkout work
$ rails server

I get:

=> Booting Thin
=> Rails 3.2.0 application starting in development on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
>> Thin web server (v1.3.1 codename Triple Espresso)
>> Maximum connections set to 1024
>> Listening on 0.0.0.0:3000, CTRL+C to stop
Exiting
/Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/eventmachine-0.12.10/lib/eventmachine.rb:572:in `start_tcp_server': no acceptor (RuntimeError)
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/eventmachine-0.12.10/lib/eventmachine.rb:572:in `start_server'
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/thin-1.3.1/lib/thin/backends/tcp_server.rb:16:in `connect'
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/thin-1.3.1/lib/thin/backends/base.rb:53:in `block in start'
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `call'
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run_machine'
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run'
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/thin-1.3.1/lib/thin/backends/base.rb:61:in `start'
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/thin-1.3.1/lib/thin/server.rb:159:in `start'
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/rack-1.4.1/lib/rack/handler/thin.rb:13:in `run'
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/rack-1.4.1/lib/rack/server.rb:265:in `start'
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/railties-3.2.0/lib/rails/commands/server.rb:70:in `start'
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/railties-3.2.0/lib/rails/commands.rb:55:in `block in <top (required)>'
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/railties-3.2.0/lib/rails/commands.rb:50:in `tap'
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/gems/railties-3.2.0/lib/rails/commands.rb:50:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'

Also, when I do:

sudo bundle exec rails server thin -p 3000

I get:

/Users/peter/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:247:in `to_specs': Could not find bundler (>= 0) amongst [bigdecimal-1.1.0, io-console-0.3, json-1.5.4, minitest-2.5.1, rake-0.9.2.2, rdoc-3.9.4] (Gem::LoadError)
from /Users/peter/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:256:in `to_spec'
from /Users/peter/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems.rb:1210:in `gem'
from /Users/peter/.rvm/gems/ruby-1.9.3-p125/bin/bundle:18:in `<main>'

I have bundler 1.0.22 installed. Updated and installed it. Nothing seems to work. Any ideas?

解决方案

This works for me. Find (zombie?) server (can happen when quitting terminal with server running):

$ ps ax | grep rails

If it returns something like:

33467 s002 S+ 0:00.00 grep rails
33240 s003 S+ 0:15.05 /Users/Arta/.rbenv/versions/1.9.2-p290/bin/ruby script/rails s -p 3000

kill it, and run anew:

$ kill -9 33240
$ rails s

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