Question

我已经安装了 Ruby 1.8.7 和 Rails 3.1.0 。

当我执行rails时，会触发此错误。

alberto@alberto:~/screencast/tasks$ rails s
     /home/alberto/.rvm/gems/ree-1.8.7-2012.02@screencast/gems/execjs-2.1.0/lib/execjs.rb:2:in `require': /home/alberto/.rvm/gems/ree-1.8.7-  2012.02@screencast/gems/execjs-2.1.0/lib/execjs/runtimes.rb:22: syntax error, unexpected  ':', expecting ')' (SyntaxError)
      name:        "Node.js (V8)",
           ^
       /home/alberto/.rvm/gems/ree-1.8.7-2012.02@screencast/gems/execjs-2.1.0/lib/execjs/runtimes.rb:22: syntax error, unexpected ',', expecting kEND
      /home/alberto/.rvm/gems/ree-1.8.7-2012.02@screencast/gems/execjs-  2.1.0/lib/execjs/runtimes.rb:23: syntax error, unexpected ',', expecting kEND
     /home/alberto/.rvm/gems/ree-1.8.7-2012.02@screencast/gems/execjs-    2.1.0/lib/execjs/runtimes.rb:24: syntax error, unexpected ',', expecting kEND
/home/alberto/.rvm/gems/ree-1.8.7-2012.02@screencast/gems/execjs-2.1.0/lib/execjs/runtimes.rb:26: syntax error, unexpected ')', expecting kEND
     /home/alberto/.rvm/gems/ree-1.8.7-2012.02@screencast/gems/execjs-       2.1.0/lib/execjs/runtimes.rb:29: syntax error, unexpected ':', expecting ')'
      name:        "JavaScriptCore",
           ^
      /home/alberto/.rvm/gems/ree-1.8.7-2012.02@screencast/gems/execjs- 2.1.0/lib/execjs/runtimes.rb:29: syntax error, unexpected ',', expecting kEND
      /home/alberto/.rvm/gems/ree-1.8.7-2012.02@screencast/gems/execjs-  2.1.0/lib/execjs/runtimes.rb:30: syntax error, unexpected ',', expecting kEND
      /home/alberto/.rvm/gems/ree-1.8.7-2012.02@screencast/gems/execjs- 2.1.0/lib/execjs/runtimes.rb:32: syntax error, unexpected ')', expecting kEND
      /home/alberto/.rvm/gems/ree-1.8.7-2012.02@screencast/gems/execjs-  2.1.0/lib/execjs/runtimes.rb:35: syntax error, unexpected ':', expecting ')'
      name:        "SpiderMonkey",
           ^

Answer 1

看起来源使用新的键值语法（key: value）而不是旧的表单（:key => "value"）。您应该至少更新到Ruby 1.9。我想你可以修复源代码以使用旧的语法，但我真的建议在可能的情况下更新Ruby。

node.js似乎不适用于Ruby 1.8.7和Rails 3.1.0

1 个答案: