I've recently upgraded a grails app to 2.4.3 and in the process upgraded the resources plugin to 1.2.14. I realize the assets plugin is preferred at this point, but I cannot make the switch just yet. I have the following defined in my ApplicationResources.groovy

```
modules = {
  core {
    resource url: '/js/main.js', disposition: 'head'
    resource url: '/lib/bootstrap/css/bootstrap.css', disposition: 'head'
    ... more here
  }
}

```

When I run the app, I get the following:

```
| Error 2015-02-01 23:13:40,005 [localhost-startStop-1] ERROR resource.ResourceMeta  - Resource not found: /lib/bootstrap/css/bootstrap.css

```

If you look at the image I've attached, you can see that this file is indeed in the correct place, and this worked with an older version of the resources plugin.

![directory structure of static resources](https://i.stack.imgur.com/8jbe1.png)