問題描述

在我本地沒事，但是另一臺服務器就是不行。報錯如下,在線等大神/usr/local/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:2288:in `raise_if_conflicts’: Unable to activate sinatra-1.4.7, because rack-2.0.1 conflicts with rack (~> 1.5) (Gem::ConflictError) from /usr/local/lib/ruby/site_ruby/2.3.0/rubygems/specification.rb:1408:in `activate’ from /usr/local/lib/ruby/site_ruby/2.3.0/rubygems.rb:220:in `rescue in try_activate’ from /usr/local/lib/ruby/site_ruby/2.3.0/rubygems.rb:213:in `try_activate’ from /usr/local/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:126:in `rescue in require’ from /usr/local/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:40:in `require’ from /data/www/syh/resque/resque/lib/resque/server.rb:1:in `<top (required)>’ from /usr/local/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require’ from /usr/local/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require’

問題解答

gem rake 的版本不對，上面已經提示你用2.0.1了