小编Reg*_*ius的帖子

我正在尝试使用MongoDB(mongoid)和MySQL一起在rails 4中创建应用程序.但是我无法设置它.

我按照以下步骤操作:

1. rails new myapp -d mysql
2. 然后将这些行添加到Gemfile:
   gem "mongoid"
gem "bson_ext"
3. bundle install
4. rails g mongoid:config

第4步失败.我无法弄清楚问题所在.它显示以下错误.

/home/devesh/.rvm/gems/ruby-2.2.2/gems/mongoid-1.0.6/lib/mongoid/associations.rb:5:in require': /home/devesh/.rvm/gems/ruby-2.2.2/gems/mongoid-1.0.6/lib/mongoid/associations/has_many.rb:79: syntax error, unexpected keyword_do_cond, expecting ':' @documents = attributes ? attributes.collect do |attrs| ^ /home/devesh/.rvm/gems/ruby-2.2.2/gems/mongoid-1.0.6/lib/mongoid/associations/has_many.rb:84: syntax error, unexpected ':', expecting keyword_end end : [] ^ /home/devesh/.rvm/gems/ruby-2.2.2/gems/mongoid-1.0.6/lib/mongoid/associations/has_many.rb:99: syntax error, unexpected keyword_do_cond, expecting keyword_end attributes.values.each do |attrs| ^ /home/devesh/.rvm/gems/ruby-2.2.2/gems/mongoid-1.0.6/lib/mongoid/associations/has_many.rb:139: syntax error, unexpected keyword_end, expecting end-of-input (SyntaxError) from /home/devesh/.rvm/gems/ruby-2.2.2/gems/mongoid-1.0.6/lib/mongoid/associations.rb:5:in'来自/home/devesh/.rvm/gems/ruby-2.2 .2/gems/mongoid-1.0.6/lib/mongoid.rb:40:require' from /home/devesh/.rvm/gems/ruby-2.2.2/gems/mongoid-1.0.6/lib/mongoid.rb:40:inin'from /home/devesh/.rvm/gems/ruby-2.2.2/gems/bundler-1.10.6/lib/bundler/ runtime.rb:76:在require' from /home/devesh/.rvm/gems/ruby-2.2.2/gems/bundler-1.10.6/lib/bundler/runtime.rb:76:inblock(2级)的require'from …