因为'uglifier'而无法启动Ruby-on-rails Web应用程序

时间：2017-01-02 11:39:21

标签： ruby-on-rails ruby

尝试加载宝石'uglifier'时出错。

Gem Load Error is: wrong argument type Class (expected Module)
Backtrace for gem load error is:

/usr/local/lib/ruby/gems/2.4.0/gems/therubyracer-0.12.2/lib/v8/conversion.rb:23:in `include'
/usr/local/lib/ruby/gems/2.4.0/gems/therubyracer-0.12.2/lib/v8/conversion.rb:23:in `block (2 levels) in <top (required)>'
/usr/local/lib/ruby/gems/2.4.0/gems/therubyracer-0.12.2/lib/v8/conversion.rb:22:in `class_eval'
/usr/local/lib/ruby/gems/2.4.0/gems/therubyracer-0.12.2/lib/v8/conversion.rb:22:in `block in <top (required)>'
/usr/local/lib/ruby/gems/2.4.0/gems/therubyracer-0.12.2/lib/v8/conversion.rb:21:in `each'
/usr/local/lib/ruby/gems/2.4.0/gems/therubyracer-0.12.2/lib/v8/conversion.rb:21:in `<top (required)>'
/usr/local/lib/ruby/gems/2.4.0/gems/therubyracer-0.12.2/lib/v8.rb:22:in `require'
/usr/local/lib/ruby/gems/2.4.0/gems/therubyracer-0.12.2/lib/v8.rb:22:in `<top (required)>'
/usr/local/lib/ruby/gems/2.4.0/gems/execjs-2.7.0/lib/execjs/ruby_racer_runtime.rb:108:in `require'
/usr/local/lib/ruby/gems/2.4.0/gems/execjs-2.7.0/lib/execjs/ruby_racer_runtime.rb:108:in `available?'
/usr/local/lib/ruby/gems/2.4.0/gems/execjs-2.7.0/lib/execjs/runtimes.rb:63:in `each'
/usr/local/lib/ruby/gems/2.4.0/gems/execjs-2.7.0/lib/execjs/runtimes.rb:63:in `find'
/usr/local/lib/ruby/gems/2.4.0/gems/execjs-2.7.0/lib/execjs/runtimes.rb:63:in `best_available'
/usr/local/lib/ruby/gems/2.4.0/gems/execjs-2.7.0/lib/execjs/runtimes.rb:57:in `autodetect'
/usr/local/lib/ruby/gems/2.4.0/gems/execjs-2.7.0/lib/execjs.rb:5:in `<module:ExecJS>'
/usr/local/lib/ruby/gems/2.4.0/gems/execjs-2.7.0/lib/execjs.rb:4:in `<top (required)>'
/usr/local/lib/ruby/gems/2.4.0/gems/uglifier-3.0.4/lib/uglifier.rb:5:in `require'
/usr/local/lib/ruby/gems/2.4.0/gems/uglifier-3.0.4/lib/uglifier.rb:5:in `<top (required)>'
/usr/local/lib/ruby/gems/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:91:in `require'
/usr/local/lib/ruby/gems/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:91:in `block (2 levels) in require'
/usr/local/lib/ruby/gems/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:86:in `each'
/usr/local/lib/ruby/gems/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:86:in `block in require'
/usr/local/lib/ruby/gems/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:75:in `each'
/usr/local/lib/ruby/gems/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:75:in `require'
/usr/local/lib/ruby/gems/2.4.0/gems/bundler-1.13.7/lib/bundler.rb:106:in `require'
/var/www/geia.junyuzhu.com/public_html/testapp/config/application.rb:7:in `<top (required)>'
/var/www/geia.junyuzhu.com/public_html/testapp/config/environment.rb:2:in `require_relative'
/var/www/geia.junyuzhu.com/public_html/testapp/config/environment.rb:2:in `<top (required)>'
config.ru:3:in `require_relative'
config.ru:3:in `block in <main>'
/usr/local/lib/ruby/gems/2.4.0/gems/rack-2.0.1/lib/rack/builder.rb:55:in `instance_eval'
/usr/local/lib/ruby/gems/2.4.0/gems/rack-2.0.1/lib/rack/builder.rb:55:in `initialize'
config.ru:1:in `new'
config.ru:1:in `<main>'
/usr/share/passenger/helper-scripts/rack-preloader.rb:110:in `eval'
/usr/share/passenger/helper-scripts/rack-preloader.rb:110:in `preload_app'
/usr/share/passenger/helper-scripts/rack-preloader.rb:156:in `<module:App>'
/usr/share/passenger/helper-scripts/rack-preloader.rb:30:in `<module:PhusionPassenger>'
/usr/share/passenger/helper-scripts/rack-preloader.rb:29:in `<main>'
Bundler Error Backtrace:
 (Bundler::GemRequireError)
  /usr/local/lib/ruby/gems/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:94:in `rescue in block (2 levels) in require'
  /usr/local/lib/ruby/gems/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:90:in `block (2 levels) in require'
  /usr/local/lib/ruby/gems/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:86:in `each'
  /usr/local/lib/ruby/gems/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:86:in `block in require'
  /usr/local/lib/ruby/gems/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:75:in `each'
  /usr/local/lib/ruby/gems/2.4.0/gems/bundler-1.13.7/lib/bundler/runtime.rb:75:in `require'
  /usr/local/lib/ruby/gems/2.4.0/gems/bundler-1.13.7/lib/bundler.rb:106:in `require'
  /var/www/geia.junyuzhu.com/public_html/testapp/config/application.rb:7:in `<top (required)>'
  /var/www/geia.junyuzhu.com/public_html/testapp/config/environment.rb:2:in `require_relative'
  /var/www/geia.junyuzhu.com/public_html/testapp/config/environment.rb:2:in `<top (required)>'
  config.ru:3:in `require_relative'
  config.ru:3:in `block in <main>'
  /usr/local/lib/ruby/gems/2.4.0/gems/rack-2.0.1/lib/rack/builder.rb:55:in `instance_eval'
  /usr/local/lib/ruby/gems/2.4.0/gems/rack-2.0.1/lib/rack/builder.rb:55:in `initialize'
  config.ru:1:in `new'
  config.ru:1:in `<main>'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:110:in `eval'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:110:in `preload_app'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:156:in `<module:App>'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:30:in `<module:PhusionPassenger>'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:29:in `<main>'

我尝试安装nodejs并重启apache服务器。它对这个问题没有帮助。

bundle show uglifier给出了

/usr/local/lib/ruby/gems/2.4.0/gems/uglifier-3.0.4

我假设我正确安装了uglifier。

Gemfile中也取消注释gem 'therubyracer', platforms: :ruby。

请帮助，我不知道如何解决这个问题。

2 个答案:

答案 0 :(得分：4)

这是a known issue与therubyracer和Ruby 2.4。 Ruby 2.4兼容性存在一些其他问题，这些问题在https://github.com/cowboyd/therubyracer/issues/430的问题跟踪器中进行跟踪。

您应该使用早期版本的Ruby，例如2.3.3直到新版本发布了therubyracer。

BTW：有几个宝石与Ruby 2.4不兼容。为了防止您在新版本发布后遇到大量兼容性问题，最好不要在发布的第一天升级

答案 1 :(得分：0)

在默认导轨therubyracer中，gem sudo apt-get install nodejs 的行被注释掉了。如果你取消注释它，你将得到那个宝石，它应该工作。 （为我解决了问题）

OR

运行以下推荐

    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script>
<script>
$(document).ready(function () {
    $('#inputform').on('keydown', 'input', function (event) {
          switch(event.which) {
            case 13: // enter
        event.preventDefault();
        var $this = $(event.target);
        var index = parseFloat($this.attr('data-index'));
        $('[data-index="' + (index + 1).toString() + '"]').focus();
                break;

            case 45: // insert
        $('#click-to-submit').trigger('click');
        break;
          }
    });
});

</script>
<form id='inputform' action="hhhhhhh.php" method="post">
    <input type="text" name="DatInvNew" data-index="1" />
    <input type="text" name="SumInvNew" data-index="2" />
    <input type="text" name="KolInvNew" data-index="3" />
    <input type="submit" value="next" class="click-to-submit" id="click-to-submit" />
</form>

Uglifier是一个JS包装器，需要运行JS运行时或JS解释器

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