resp = negotiate(this.port);
        }

        if (resp == null || resp.getResponse() == null) {
            throw new SmbException("Failed to connect.");
        }

        if (log.isDebugEnabled()) {
            log.debug("Negotiation response on " + this.name + " :" + resp);
        }

        if (!resp.getResponse().isValid(getContext(), resp.getRequest())) {

                builder.addKind(SuggestItem.Kind.DOCUMENT.toString());
            }

            final SuggestResponse suggestResponse = builder.execute().getResponse();

            buf.append("\"query_time\":").append(suggestResponse.getTookMs());
            buf.append(",\"record_count\":").append(suggestResponse.getTotal());

                } catch (SmbAuthException sae) {
                    throw sae;
                } catch (SmbException e) {
                    Smb2SessionSetupResponse sessResponse = request.getResponse();
                    if (e.getNtStatus() == NtStatus.NT_STATUS_INVALID_PARAMETER) {
                        // a relatively large range of samba versions has a bug causing