return this._domains.map;
                }
            }
        }
        catch ( IOException ioe ) {
            if ( log.isDebugEnabled() ) {
                log.debug("getting trusted domains failed: " + tf.getCredentials().getUserDomain(), ioe);
            }
            CacheEntry<Map<String, CacheEntry<DfsReferralDataInternal>>> entry = new CacheEntry<>(tf.getConfig().getDfsTtl() * 10L);
            this._domains = entry;

            case SessionServicePacket.NEGATIVE_SESSION_RESPONSE:
                int errorCode = this.in.read() & 0xFF;
                switch ( errorCode ) {
                case NbtException.CALLED_NOT_PRESENT:
                case NbtException.NOT_LISTENING_CALLED:
                    this.socket.close();
                    break;
                default:
                    disconnect(true);

        }

        /*
         * We really should do the referral before this in case
         * the redirected target has different capabilities. But
         * the way we have been doing that is to call exists() which
         * calls this method so another technique will be necessary
         * to support DFS referral _to_ Win95/98/ME.
         */

        if ( th.isSMB2() ) {

        try {
            connect();
        } catch( UnknownHostException uhe ) {
            throw new SmbException( "Failed to connect to server", uhe );
        } catch( SmbException se ) {
            throw se;
        } catch( IOException ioe ) {
            throw new SmbException( "Failed to connect to server", ioe );
        }
    }
    void doConnect() throws IOException {
        SmbTransport trans;

                if ( log.isTraceEnabled() ) {
                    log.trace("Failed to send nameservice request for " + name.name, ioe);
                }
                throw new UnknownHostException(name.name);
            }
            catch ( IOException ioe ) {
                log.info("Failed to send nameservice request for " + name.name, ioe);
                throw new UnknownHostException(name.name);