Sass/css不会在cloud9轮询回退错误中呈现

我的sass或css文件正在渲染，我遇到了这个池回退错误

有人知道这个错误是什么意思吗

 carlagoncalves:~/workspace (master) $ node server.js
    server running....
    ^C
    carlagoncalves:~/workspace (master) $ node app.js
    carlagoncalves:~/workspace (master) $ sass --watch styles.scss:styles.css
    >>> Sass is watching for changes. Press Ctrl-C to stop.
          error No such file or directory @ rb_sysopen - styles.scss
    Ignoring executable-hooks-1.3.2 because its extensions are not built.  Try: gem pristine executable-hooks --version 1.3.2
    Ignoring ffi-1.9.23 because its extensions are not built.  Try: gem pristine ffi --version 1.9.23
    Ignoring gem-wrappers-1.2.7 because its extensions are not built.  Try: gem pristine gem-wrappers --version 1.2.7
    [Listen warning]:
      Listen will be polling for changes. Learn more at https://github.com/guard/listen#polling-fallback.
    ^Ccarlagoncalves:~/workspace (master) $ sass --watch styles.sass:styles.css 
    >>> Sass is watching for changes. Press Ctrl-C to stop.
    Ignoring executable-hooks-1.3.2 because its extensions are not built.  Try: gem pristine executable-hooks --version 1.3.2
    Ignoring ffi-1.9.23 because its extensions are not built.  Try: gem pristine ffi --version 1.9.23
    Ignoring gem-wrappers-1.2.7 because its extensions are not built.  Try: gem pristine gem-wrappers --version 1.2.7
    [Listen warning]:
      Listen will be polling for changes. Learn more at https://github.com/guard/listen#polling-fallback.

---

正如错误消息中所述，无法找到文件styles.scss：

error No such file or directory @ rb_sysopen - styles.scss

您的目录中似乎有一个名为styles.sass的文件，因此您可以尝试将命令更改为以下内容：

$ sass --watch styles.sass:styles.css

---

此外，似乎还有一些未构建的扩展，您可以尝试使用错误消息中指定的命令来修复这些扩展（下面有几个示例）

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我以前尝试过这个解决方案，现在你提到了，我又尝试了一次，这就是我得到的结果：[监听警告]：监听将轮询更改。了解更多信息。gems已经安装并更新，所以我真的不知道为什么要这么做

Try: gem pristine executable-hooks --version 1.3.2
Try: gem pristine ffi --version 1.9.23
Try: gem pristine gem-wrappers --version 1.2.7