protected LdapUser createLdapUser(final String username, final Hashtable<String, String> env) {
        return new LdapUser(env, username);
    }

    public String[] getRoles(final LdapUser ldapUser, final String bindDn, final String accountFilter, final String groupFilter,
            final Consumer<String[]> lazyLoading) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

        Name calledName = new Name(tc.getConfig(), this.address.firstCalledName(), 0x20, null);
        do {
            this.socket = new Socket();
            if ( this.localAddr != null )
                this.socket.bind(new InetSocketAddress(this.localAddr, this.localPort));
            this.socket.connect(new InetSocketAddress(this.address.getHostAddress(), 139), tc.getConfig().getConnTimeout());