@Override
    public void initialize(XMPPServer server) {
        super.initialize(server);
        serverItems = CacheFactory.createCache("Disco Server Items");
        // Track the implementors of ServerItemsProvider so that we can collect the items
        // provided by the server
        infoHandler = server.getIQDiscoInfoHandler();
        setProvider(server.getServerInfo().getXMPPDomain(), getServerItemsProvider());
        // Listen to cluster events
        ClusterManager.addListener(this);
    }
Removes a disco item for a component that has been removed from the server.

@param jid the jid of the component being removed.
xmppserver/src/main/java/org/jivesoftware/openfire/disco/IQDiscoItemsHandler.java