@Override
    public String toString()
    {
        return "NettyComponentConnectionHandler{" +
            "sslInitDone=" + sslInitDone +
            ", configuration=" + configuration +
            '}';
    }
Enable / disable backup delivery of stanzas to the XMPP server itself when a stanza failed to be delivered on a
component connection. When disabled, stanzas that can not be delivered on the connection are discarded.
xmppserver/src/main/java/org/jivesoftware/openfire/nio/NettyComponentConnectionHandler.java