https://ruby-china.org/znncool en-us <pre class="highlight plaintext"><code>[root@localhost one]$ thin install Unable to load the EventMachine C extension; To use the pure-ruby reactor, require 'em/pure_ruby' /usr/local/rvm/rubies/ruby-2.4.0/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:55:in `require': /usr/lib64/libstdc++.so.6: version `CXXABI_1.3.9' not found (required by /usr/local/rvm/gems/ruby-2.4.0@one/gems/eventmachine-1.2.3/lib/rubyeventmachine.so) - /usr/local/rvm/gems/ruby-2.4.0@one/gems/eventmachine-1.2.3/lib/rubyeventmachine.so (LoadError) from /usr/local/rvm/rubies/ruby-2.4.0/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:55:in `require' from /usr/local/rvm/gems/ruby-2.4.0@one/gems/eventmachine-1.2.3/lib/eventmachine.rb:8:in `&lt;top (required)&gt;' from /usr/local/rvm/rubies/ruby-2.4.0/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:55:in `require' from /usr/local/rvm/rubies/ruby-2.4.0/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:55:in `require' from /usr/local/rvm/gems/ruby-2.4.0@one/gems/thin-1.7.0/lib/thin.rb:7:in `&lt;top (required)&gt;' from /usr/local/rvm/rubies/ruby-2.4.0/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:55:in `require' from /usr/local/rvm/rubies/ruby-2.4.0/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:55:in `require' from /usr/local/rvm/gems/ruby-2.4.0@one/gems/thin-1.7.0/bin/thin:5:in `&lt;top (required)&gt;' from /usr/local/rvm/gems/ruby-2.4.0@one/bin/thin:22:in `load' from /usr/local/rvm/gems/ruby-2.4.0@one/bin/thin:22:in `&lt;main&gt;' from /usr/local/rvm/gems/ruby-2.4.0@one/bin/ruby_executable_hooks:15:in `eval' from /usr/local/rvm/gems/ruby-2.4.0@one/bin/ruby_executable_hooks:15:in `&lt;main&gt;' </code></pre> znncool Tue, 14 Mar 2017 17:08:49 +0800 https://ruby-china.org/topics/32529 https://ruby-china.org/topics/32529