rake资产：预编译中止

Question

我需要帮助，当我做资产时：预编译被中止，显然产生了execjs的错误。

跟踪：

/home/rails/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/yaml.rb:56:in `<top (required)>': 
    It seems your ruby installation is missing psych (for YAML output). 
    To eliminate this warning, please install libyaml and reinstall your ruby. 
    ** Invoke assets:precompile (first_time) 
    ** Execute assets:precompile 
    /home/rails/.rvm/rubies/ruby-1.9.3-p429/bin/ruby /home/rails/.rvm/gems/ruby-1.9.3-p429/bin/rake assets:precompile:all RAILS_ENV=production RAILS_GROUPS=assets --trace 
    /home/rails/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/yaml.rb:56:in `<top (required)>': 
    It seems your ruby installation is missing psych (for YAML output). 
    To eliminate this warning, please install libyaml and reinstall your ruby. 
    ** Invoke assets:precompile:all (first_time) 
    ** Execute assets:precompile:all 
    ** Invoke assets:precompile:primary (first_time) 
    ** Invoke assets:environment (first_time) 
    ** Execute assets:environment 
    ** Invoke environment (first_time) 
    ** Execute environment 
    ** Invoke tmp:cache:clear (first_time) 
    ** Execute tmp:cache:clear 
    ** Execute assets:precompile:primary 
    rake aborted! 

    Unexpected token: keyword (var) (line: 30831, col: 677, pos: 937101) 

    Error 
     at new JS_Parse_Error (<eval>:2316:10736) 
     at js_error (<eval>:2316:10955) 
     at croak (<eval>:2316:18665) 
     at token_error (<eval>:2316:18802) 
     at unexpected (<eval>:2316:18890) 
     at semicolon (<eval>:2316:19363) 
     at <eval>:2316:21301 
     at <eval>:2316:19536 
     at block_ (<eval>:2316:23936) 
     at ctor.body (<eval>:2316:23570) 
     (in /home/rails/pys_rails/pys/app/assets/javascripts/application.js)/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/execjs-1.4.0/lib/execjs/ruby_racer_runtime.rb:34:in `rescue in block in eval' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/execjs-1.4.0/lib/execjs/ruby_racer_runtime.rb:28:in `block in eval' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/execjs-1.4.0/lib/execjs/ruby_racer_runtime.rb:80:in `block in lock' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/execjs-1.4.0/lib/execjs/ruby_racer_runtime.rb:78:in `call' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/execjs-1.4.0/lib/execjs/ruby_racer_runtime.rb:78:in `Locker' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/execjs-1.4.0/lib/execjs/ruby_racer_runtime.rb:78:in `lock' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/execjs-1.4.0/lib/execjs/ruby_racer_runtime.rb:27:in `eval' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/execjs-1.4.0/lib/execjs/ruby_racer_runtime.rb:19:in `exec' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/uglifier-2.1.1/lib/uglifier.rb:176:in `really_compile' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/uglifier-2.1.1/lib/uglifier.rb:100:in `compile' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.13/lib/sprockets/compressors.rb:74:in `compress' 

    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/processing.rb:265:in `block in js_compressor=' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/processor.rb:29:in `call' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/processor.rb:29:in `evaluate' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/tilt-1.4.1/lib/tilt/template.rb:103:in `render' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/context.rb:193:in `block in evaluate' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/context.rb:190:in `each' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/context.rb:190:in `evaluate' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/bundled_asset.rb:26:in `initialize' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/base.rb:252:in `new' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/base.rb:252:in `build_asset' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/index.rb:93:in `block in build_asset' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/caching.rb:19:in `cache_asset' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/index.rb:92:in `build_asset' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/base.rb:169:in `find_asset' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/index.rb:60:in `find_asset' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.13/lib/sprockets/static_compiler.rb:19:in `block in compile' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/base.rb:219:in `block in each_logical_path' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/base.rb:206:in `block (2 levels) in each_file' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/base.rb:196:in `each' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/base.rb:196:in `each_entry' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/base.rb:204:in `block in each_file' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/base.rb:203:in `each' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/base.rb:203:in `each_file' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/sprockets-2.2.2/lib/sprockets/base.rb:217:in `each_logical_path' 
    /home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.13/lib/sprockets/static_compiler.rb:18:in `compile' 

/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.13/lib/sprockets/assets.rake:56:in `internal_precompile' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.13/lib/sprockets/assets.rake:70:in `block (3 levels) in <top (required)>' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:236:in `call' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:236:in `block in execute' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:231:in `each' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:231:in `execute' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:175:in `block in invoke_with_call_chain' 
/home/rails/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:168:in `invoke_with_call_chain' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:161:in `invoke' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.13/lib/sprockets/assets.rake:60:in `block (3 levels) in <top (required)>' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:236:in `call' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:236:in `block in execute' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:231:in `each' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:231:in `execute' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:175:in `block in invoke_with_call_chain' 
/home/rails/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:168:in `invoke_with_call_chain' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:161:in `invoke' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:149:in `invoke_task' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:106:in `block (2 levels) in top_level' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:106:in `each' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:106:in `block in top_level' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:115:in `run_with_threads' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:100:in `top_level' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:78:in `block in run' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:165:in `standard_exception_handling' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:75:in `run' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/bin/rake:33:in `<top (required)>' 
/home/rails/.rvm/gems/ruby-1.9.3-p429/bin/rake:19:in `load' 
/home/rails/.rvm/gems/ruby-1.9.3-p429/bin/rake:19:in `<main>' 
Tasks: TOP => assets:precompile:primary 
rake aborted! 
Command failed with status (1): [/home/rails/.rvm/rubies/ruby-1.9.3-p429/bi...] 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/file_utils.rb:55:in `block in create_shell_runner' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/file_utils.rb:45:in `call' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/file_utils.rb:45:in `sh' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/file_utils_ext.rb:37:in `sh' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/file_utils.rb:82:in `ruby' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/file_utils_ext.rb:37:in `ruby' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.13/lib/sprockets/assets.rake:12:in `ruby_rake_task' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.13/lib/sprockets/assets.rake:21:in `invoke_or_reboot_rake_task' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.13/lib/sprockets/assets.rake:29:in `block (2 levels) in <top (required)>' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:236:in `call' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:236:in `block in execute' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:231:in `each' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:231:in `execute' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:175:in `block in invoke_with_call_chain' 
/home/rails/.rvm/rubies/ruby-1.9.3-p429/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:168:in `invoke_with_call_chain' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:161:in `invoke' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:149:in `invoke_task' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:106:in `block (2 levels) in top_level' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:106:in `each' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:106:in `block in top_level' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:115:in `run_with_threads' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:100:in `top_level' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:78:in `block in run' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:165:in `standard_exception_handling' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:75:in `run' 
/home/rails/pys_rails/pys/vendor/bundle/ruby/1.9.1/gems/rake-10.1.0/bin/rake:33:in `<top (required)>' 
/home/rails/.rvm/gems/ruby-1.9.3-p429/bin/rake:19:in `load' 
/home/rails/.rvm/gems/ruby-1.9.3-p429/bin/rake:19:in `<main>' 
/home/rails/.rvm/gems/ruby-1.9.3-p429/bin/ruby_noexec_wrapper:14:in `eval' 
/home/rails/.rvm/gems/ruby-1.9.3-p429/bin/ruby_noexec_wrapper:14:in `<main>' 
Tasks: TOP => assets:precompileis aborted with an error generating execjs apparently. 

的Gemfile：

source 'https://rubygems.org' 

gem 'rails', '3.2.13' 

# Bundle edge Rails instead: 
# gem 'rails', :git => 'git://github.com/rails/rails.git' 

gem 'sqlite3' 

#Javascript 
gem 'execjs' 
#gem 'therubyracer' 


# Gems used only for assets and not required 
# in production environments by default. 
group :assets do 
    gem 'sass-rails', '~> 3.2.3' 
    gem 'coffee-rails', '~> 3.2.1' 

    # See https://github.com/sstephenson/execjs#readme for more supported runtimes 
    gem 'therubyracer', :platforms => :ruby 

    gem 'uglifier', '>= 1.0.3' 
end 

gem 'jquery-rails', "2.3.0" 

#Fotos 
gem 'rmagick' 
gem 'carrierwave' 
gem 'jquery-fileupload-rails' 

#Video 
gem 'paperclip' 
gem 'paperclip-ffmpeg' 

#Panel administración 
gem 'activeadmin' 

# To use ActiveModel has_secure_password 
# gem 'bcrypt-ruby', '~> 3.0.0' 

# To use Jbuilder templates for JSON 
# gem 'jbuilder' 

# Use unicorn as the app server 
# gem 'unicorn' 

# Deploy with Capistrano 
# gem 'capistrano' 

# To use debugger 
# gem 'debugger' 

gem 'passenger' 

我有轨3.2.13和1.9.3的红宝石，从RVM安装。

请帮忙！ THX

Answer 1

To eliminate this warning, please install libyaml and reinstall your ruby. 

点，你试试这个

rvm reinstall 1.9.3 --with-libyaml 
rvm use 1.9.3 #just to check. 
gem install psych