@Override
    protected synchronized Enumeration<URL> findResources(String name) throws IOException {
        // Send a request to load the resources
        output.write(ForkServer.RESOURCE);
        output.write(resource);
        output.write(2);
        output.writeUTF(name);
        output.flush();

        // Receive the response
        List<URL> resources = new ArrayList<>();
        while (input.readBoolean()) {
            resources.add(MemoryURLStreamHandler.createURL(readStream()));
        }
        return Collections.enumeration(resources);
    }
Names of resources that could not be found. Used to avoid repeated
lookup of commonly accessed, but often not present, resources like
<code>META-INF/services/javax.xml.parsers.SAXParserFactory</code>.
tika-core/src/main/java/org/apache/tika/fork/ClassLoaderProxy.java