Psych :: SyntaxError không thể phân tích cú pháp YAML

Question

Tôi đang gặp sự cố trong ứng dụng đường ray chạy trên fedora 16 Rails phiên bản 2.3.5 và Ruby 1.9.2.p320. Ứng dụng chạy tốt trên Ubuntu 11.10. Khi tôi chạy các máy chủ đường ray và nhấn bất kỳ bộ điều khiển lỗi sau đây trong sắp tới.

Psych :: Lỗi Cú pháp trong controllername # actionname

không thể phân tách YAML

Tôi đã thử áp dụng các mẹo sau đây nhưng nó không làm việc cho tôi.

tôi đã thêm dòng sau trong config/boot.rb

require 'yaml' 

YAML::ENGINE.yamler = 'syck' 

các dấu vết lỗi là

.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/psych.rb:148:in `parse' 
.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/psych.rb:148:in `parse_stream' 
.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/psych.rb:119:in `parse' 
.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/psych.rb:106:in `load' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:189:in `load_yml' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:176:in `load_file' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:13:in `block in load_translations' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:13:in `each' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:13:in `load_translations' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:85:in `init_translations' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:74:in `available_locales' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n.rb:50:in `available_locales' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_view/template.rb:226:in `valid_locale?' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_view/template.rb:243:in `parse_extensions' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_view/template.rb:233:in `split' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_view/template.rb:118:in `initialize' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_view/reloadable_template.rb:81:in `initialize' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_view/reloadable_template.rb:38:in `new' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_view/reloadable_template.rb:38:in `register_template_from_file' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_view/reloadable_template.rb:62:in `block in load_all_templates_from_dir' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_view/reloadable_template.rb:62:in `each' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_view/reloadable_template.rb:62:in `load_all_templates_from_dir' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_view/reloadable_template.rb:29:in `[]' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_view/paths.rb:48:in `block in find_template' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_view/paths.rb:47:in `each' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_view/paths.rb:47:in `find_template' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_controller/base.rb:1389:in `default_template' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_controller/base.rb:905:in `render' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_controller/benchmarking.rb:51:in `block in render_with_benchmark' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/core_ext/benchmark.rb:17:in `block in ms' 
.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/benchmark.rb:310:in `realtime' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/core_ext/benchmark.rb:17:in `ms' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_controller/benchmarking.rb:51:in `render_with_benchmark' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_controller/base.rb:1326:in `default_render' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_controller/base.rb:1332:in `perform_action' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_controller/filters.rb:617:in `call_filters' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_controller/filters.rb:610:in `perform_action_with_filters' 
/.rvm/gems/ruby-1.9.2-p320@sunago/gems/actionpack-2.3.5/lib/action_controller/benchmarking.rb:68:in `block in perform_action_with_benchmark' 
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/core_ext/benchmark.rb:17:in `block in ms' 
.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/benchmark.rb:310:in `realtime 

Answer 1

parsers Cũ hơn YAML không thích có tab nhưng chỉ có khoảng trắng. Bạn có thể muốn kiểm tra tệp YAML của bạn để xem nó có bất kỳ tab nào ở dòng 18. Nếu đây là trường hợp, bạn có thể muốn sửa chữa các tệp YAML của bạn hoặc nâng cấp trình phân tích cú pháp.