执行gem时出现Rails状态机错误(Errno::EINVAL)

Question

执行以下命令时发生错误：

c:gem install state_machines

错误：执行gem时。。。（错误号：：EINVAL）无效参数-c:/Ruby193/lib/rubey/gems/1.9.1/gems/state_machines-0.2.2/test/unit/node_collection/node_cocollection_after_being_copied_test

Answer 1

这修复了我的问题：

git clone https://github.com/jeff-hamm/state_machines
cd state_machines
bundle gem state_machines
rake install