gems with C extensions are not supported https://github.com/jruby/jruby/wiki/C-Extension-Alternatives https://github.com/jruby/jruby/wiki/C-Extension-Alternativ

gems with C extensions are not supported https://github.com/jruby/jruby/wiki/C-Extension-Alternatives https://github.com/jruby/jruby/wiki/C-Extension-Alternatives I forgot about thread safety in pure ruby gems but that is not a huge problem - https://github.com/jruby/jruby/wiki/Gems-known-not-to-be-threadsafe https://github.com/jruby/jruby/wiki/Gems-known-not-to-be-thr...