@Override
    public Enumeration<URL> getResources(String name) throws IOException {
        Objects.requireNonNull(name);
        Vector<URL> resources = new Vector<>();
        for (Enumeration<URL> foundLocally = findResources(name); foundLocally.hasMoreElements();) {
            URL url = foundLocally.nextElement();
            if (url != null)
                resources.add(url);
        }
        // Explicitly call the parent implementation instead of super to avoid double-listing the local resources
        for (Enumeration<URL> foundByParent = getParent().getResources(name); foundByParent.hasMoreElements();) {
            URL url = foundByParent.nextElement();
            if (url != null)
                resources.add(url);
        }
        return resources.elements();
    }
Returns the top-level location of the classes and dependencies required by the plugin that
is loaded by this classloader.

@return the plugin location.
connect/runtime/src/main/java/org/apache/kafka/connect/runtime/isolation/PluginClassLoader.java