Rails hamlit LoadError。不兼容的庫版本

Question

成功安裝了許多gem後，我在調用rails本地服務器（使用rails s）時遇到LoadError問題。 抱怨與不兼容的庫版本有關。

gems/ruby-2.3.1@global/gems/hamlit-2.8.1/lib/hamlit/attribute_builder.rb:2:in `require': incompatible library version - /home/alex/.rvm/gems/ruby-2.3.1@global/gems/hamlit-2.8.1/lib/hamlit/hamlit.so (LoadError) 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/hamlit-2.8.1/lib/hamlit/attribute_builder.rb:2:in `<top (required)>' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/hamlit-2.8.1/lib/hamlit/attribute_compiler.rb:2:in `require' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/hamlit-2.8.1/lib/hamlit/attribute_compiler.rb:2:in `<top (required)>' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/hamlit-2.8.1/lib/hamlit/compiler/tag_compiler.rb:3:in `require' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/hamlit-2.8.1/lib/hamlit/compiler/tag_compiler.rb:3:in `<top (required)>' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/hamlit-2.8.1/lib/hamlit/compiler.rb:7:in `require' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/hamlit-2.8.1/lib/hamlit/compiler.rb:7:in `<top (required)>' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/hamlit-2.8.1/lib/hamlit/engine.rb:4:in `require' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/hamlit-2.8.1/lib/hamlit/engine.rb:4:in `<top (required)>' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/hamlit-2.8.1/lib/hamlit.rb:2:in `require' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/hamlit-2.8.1/lib/hamlit.rb:2:in `<top (required)>' 
from /usr/lib/ruby/vendor_ruby/bundler/runtime.rb:77:in `require' 
from /usr/lib/ruby/vendor_ruby/bundler/runtime.rb:77:in `block (2 levels) in require' 
from /usr/lib/ruby/vendor_ruby/bundler/runtime.rb:72:in `each' 
from /usr/lib/ruby/vendor_ruby/bundler/runtime.rb:72:in `block in require' 
from /usr/lib/ruby/vendor_ruby/bundler/runtime.rb:61:in `each' 
from /usr/lib/ruby/vendor_ruby/bundler/runtime.rb:61:in `require' 
from /usr/lib/ruby/vendor_ruby/bundler.rb:99:in `require' 
from /usr/local/RubyWorkspace/produtos_adaptativos/config/application.rb:14:in `<top (required)>' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:78:in `require' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:78:in `block in server' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:75:in `tap' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:75:in `server' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:39:in `run_command!' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/railties-4.2.6/lib/rails/commands.rb:17:in `<top (required)>' 
from /usr/local/RubyWorkspace/produtos_adaptativos/bin/rails:9:in `require' 
from /usr/local/RubyWorkspace/produtos_adaptativos/bin/rails:9:in `<top (required)>' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/spring-2.0.0/lib/spring/client/rails.rb:28:in `load' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/spring-2.0.0/lib/spring/client/rails.rb:28:in `call' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/spring-2.0.0/lib/spring/client/command.rb:7:in `call' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/spring-2.0.0/lib/spring/client.rb:30:in `run' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/spring-2.0.0/bin/spring:49:in `<top (required)>' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/spring-2.0.0/lib/spring/binstub.rb:31:in `load' 
from /home/alex/.rvm/gems/ruby-2.3.1@global/gems/spring-2.0.0/lib/spring/binstub.rb:31:in `<top (required)>' 
from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:68:in `require' 
from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:68:in `require' 
from /usr/local/RubyWorkspace/produtos_adaptativos/bin/spring:13:in `<top (required)>' 
from bin/rails:3:in `load' 
from bin/rails:3:in `<main>' 

我是否需要降級這個庫？

Answer 1

您可以運行這些命令：

gem uninstall hamlit 
bundle install 

參考文獻：http://guides.rubygems.org/command-reference/#gem-pristineRuby on Rails incompatible library