Question

我在apache / passenger / ubuntu上运行rails 4 app。当我在config / environments / production.rb中注释掉config_serve.static.assets行时，app运行正常，如下所示：

# Disable Rails's static asset server (Apache or NGINX will already do this).
# config.serve_static_assets = false

虽然它有效但是注释掉这一行似乎是一个坏主意，因为我已经读过配置变量的默认值为true，并且当你＆和它被设置为false时它应该被设置为false。＃39;在apache或nginx后面运行app。但是，当我取消注释该行时，应用程序无法启动，并且我在apache错误日志中收到以下错误：

[Client 20] Cannot checkout session because a spawning error occurred. The identifier of the error is 108162e2. Please see earlier logs for details about the error.
App 10751 stdout:
App 10751 stderr:  --> Compiling passenger_native_support.so for the current Ruby interpreter...
App 10751 stderr:
App 10751 stderr:      (set PASSENGER_COMPILE_NATIVE_SUPPORT_BINARY=0 to disable)
App 10751 stderr:
App 10751 stderr:  --> Downloading precompiled passenger_native_support.so for the current Ruby interpreter...
App 10751 stderr:
App 10751 stderr:      (set PASSENGER_DOWNLOAD_NATIVE_SUPPORT_BINARY=0 to disable)
App 10751 stderr:
App 10751 stderr:      # tar xzf rubyext-ruby-2.1.3-x86_64-linux.tar.gz
App 10751 stderr:      # rm -f rubyext-ruby-2.1.3-x86_64-linux.tar.gz
App 10751 stderr:      Checking whether downloaded binary is usable...
App 10751 stderr:      # /usr/local/bin/ruby -I. test.rb
App 10751 stderr:      /usr/local/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require': libruby.so.2.1: cannot open shared object file: No such file or directory - /tmp/passenger-native-support-j3v7kx/passenger_native_support.so (LoadError)
App 10751 stderr:       from /usr/local/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
App 10751 stderr:       from test.rb:2:in `<main>'
App 10751 stderr:      Binary is not usable.
App 10751 stderr:  --> Continuing without passenger_native_support.so.
App 10751 stdout:
[ 2015-01-21 10:13:18.0841 10166/7fce0acf9700 Pool2/Implementation.cpp:287 ]: Could not spawn process for application /home/DFM: An error occured while starting up the preloader.
  Error ID: 4b40f65d
  Error details saved to: /tmp/passenger-error-tH49HR.html
  Message from application: undefined local variable or method `false ' for #<Dfm::Application:0x007f4afb293b30> (NameError)
  /home/DFM/config/environments/production.rb:24:in `block in <top (required)>'
  /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0.rc2/lib/rails/railtie.rb:210:in `instance_eval'
  /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0.rc2/lib/rails/railtie.rb:210:in `configure'
  /home/DFM/config/environments/production.rb:1:in `<top (required)>'

所以我的问题是（1）运行应用程序并将配置变量注释掉（因此默认为true），以及（2）如果它是一个问题，如何解决它是一个问题？

Answer 1

不推荐，但可能只是性能问题。

在一堆乘客警告中隐藏了重要的错误消息：

Message from application: undefined local variable or method `false ' for #<Dfm::Application:0x007f4afb293b30> (NameError)
/home/DFM/config/environments/production.rb:24:in `block in <top (required)>'

我确定您现在已经解决了这个问题，但是遇到此页面的未来乘客用户可能会分心，因为您和我之前有关于乘客原生支持的警告与错误本身无关。

使用rails app的乘客错误产生错误

1 个答案: