@Override
    public List<ComponentInfo> getComponentsInfo(Version vespaVersion) {
        List<ComponentInfo> components = new ArrayList<>();
        FileRegistry fileRegistry = getFileRegistry(vespaVersion).get();
        for (String path : getPaths(fileRegistry)) {
            if (path.startsWith(COMPONENT_DIR + File.separator) && path.endsWith(".jar")) {
                ComponentInfo component = new ComponentInfo(path);
                components.add(component);
            }
        }
        return components;
    }
Returns readers for all the children of a node.
The node is looked up relative to the location of the active application package in zookeeper.
configserver/src/main/java/com/yahoo/vespa/config/server/zookeeper/ZKApplicationPackage.java