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所以我遇到了一个奇怪的问题。我无法预先编译Rails 5上的资产与产品。我不断收到相同的错误消息，无论我是在服务器本身还是在本地环境中进行预编译。编译rassets时获取ExecJS：预编译生产
georg$ RAILS_ENV=production bundle exec rake assets:precompile
rake aborted!
ExecJS::RuntimeError: SyntaxError: Unexpected token: name ($)
[email protected](execjs):3538:630
(execjs):4058:47
(execjs):1:46
global [email protected](execjs):1:58
/Users/georg/.rvm/gems/ruby-2.2.4/gems/execjs-2.7.0/lib/execjs/external_runtime.rb:39:in `exec'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/execjs-2.7.0/lib/execjs/external_runtime.rb:21:in `eval'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/execjs-2.7.0/lib/execjs/external_runtime.rb:46:in `call'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/uglifier-3.2.0/lib/uglifier.rb:195:in `run_uglifyjs'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/uglifier-3.2.0/lib/uglifier.rb:157:in `compile'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/uglifier_compressor.rb:53:in `call'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/uglifier_compressor.rb:28:in `call'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/processor_utils.rb:75:in `call_processor'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/processor_utils.rb:57:in `block in call_processors'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/processor_utils.rb:56:in `reverse_each'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/processor_utils.rb:56:in `call_processors'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/loader.rb:134:in `load_from_unloaded'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/loader.rb:60:in `block in load'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/loader.rb:317:in `fetch_asset_from_dependency_cache'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/loader.rb:44:in `load'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/cached_environment.rb:20:in `block in initialize'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/cached_environment.rb:47:in `yield'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/cached_environment.rb:47:in `load'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/base.rb:66:in `find_asset'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/base.rb:73:in `find_all_linked_assets'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/manifest.rb:142:in `block in find'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/legacy.rb:114:in `block (2 levels) in logical_paths'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:228:in `block in stat_tree'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:212:in `block in stat_directory'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:209:in `each'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:209:in `stat_directory'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:227:in `stat_tree'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:231:in `block in stat_tree'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:212:in `block in stat_directory'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:209:in `each'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:209:in `stat_directory'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:227:in `stat_tree'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:231:in `block in stat_tree'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:212:in `block in stat_directory'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:209:in `each'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:209:in `stat_directory'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:227:in `stat_tree'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:231:in `block in stat_tree'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:212:in `block in stat_directory'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:209:in `each'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:209:in `stat_directory'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/path_utils.rb:227:in `stat_tree'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/legacy.rb:105:in `each'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/legacy.rb:105:in `block in logical_paths'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/legacy.rb:104:in `each'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/legacy.rb:104:in `logical_paths'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/manifest.rb:140:in `find'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/sprockets/manifest.rb:185:in `compile'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-rails-3.2.0/lib/sprockets/rails/task.rb:68:in `block (3 levels) in define'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-3.7.1/lib/rake/sprocketstask.rb:147:in `with_logger'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/sprockets-rails-3.2.0/lib/sprockets/rails/task.rb:67:in `block (2 levels) in define'
/Users/georg/.rvm/gems/ruby-2.2.4/gems/rake-12.0.0/exe/rake:27:in `<top (required)>'
/Users/georg/.rvm/gems/ruby-2.2.4/bin/ruby_executable_hooks:15:in `eval'
/Users/georg/.rvm/gems/ruby-2.2.4/bin/ruby_executable_hooks:15:in `<main>'
Tasks: TOP => assets:precompile
(See full trace by running task with --trace)
为了解决我做了如下问题：
1）我有一个子文件夹结构，我指的是在资产/ JavaScript的，所以我补充说，资产路径，我认为这可能成为问题 - 但显然不是。我在这样的阅读路径：
Dir.glob("#{Rails.root}/app/assets/javascripts/**/").each do |path|
config.assets.paths << path
end
2）我删除从application.js中所有引用 - 它是空的，我仍然得到错误。
3.）我删除/添加therubyracer
# gem 'therubyracer', platforms: :ruby
4.）我安装和更新的execjs宝石独立地
5.）最后，我是运行的想法。鉴于当没有任何东西需要编译时，我会收到错误信息。
我的环境：
georg$ rails -v
Rails 5.0.5
georg$ ruby -v
ruby 2.2.4p230 (2015-12-16 revision 53155) [x86_64-darwin16]
的编制是在OSX和Debian完成。
任何提示都非常感谢！
请tracable重现错误'RAILS_ENV =生产耙子资产：预编译 - 跟踪'做到这一点 –
对不起，以前没有包括跟踪。它产生一个标准输出 - 除了以下额外的行：**调用资产：预编译（first_time） **调用资产：环境（first_time） **执行资产：环境 **调用环境（first_time） **执行环境 **执行资产：预编译 –