$ diff ResourceUtil.java _ResourceUtil_.java 
21a22
> import java.net.URLConnection;
80c81,87
<         return URLUtil.openStream(url);
---
>         try {
>             URLConnection connection = url.openConnection();
>             connection.setUseCaches(false);
>             return connection.getInputStream();
>         } catch (IOException e) {
>             throw new IORuntimeException(e);
>         }