buf.append("{\"@timestamp\":\"").append(valueMap.remove("time")).append('"');
        buf.append(",\"log.level\":\"INFO\"");
        buf.append(",\"ecs.version\":\"").append(ecsVersion).append('"');
        buf.append(",\"service.name\":\"").append(ecsServiceName).append('"');
        buf.append(",\"event.dataset\":\"").append(ecsEventDataset).append('"');

                return tempBuf.toString();
            }).collect(Collectors.joining(","));
            buf.append(hotThreads).append(',');
        } catch (final Exception e) {
            appendException(buf, e).append(',');
        }

        appendTimestamp(buf);
        buf.append('}');

        if (logger.isInfoEnabled()) {
            logger.info(buf.toString());
        }
    }

        StringBuilder sb = new StringBuilder();
        sb.append("SmbOperationException{");
        sb.append("errorCode=").append(errorCode);
        sb.append(", category=").append(errorCode.getCategory());
        sb.append(", retryable=").append(isRetryable());
        sb.append(", attempt=").append(attemptNumber);
        sb.append(", operation='").append(operationName).append('\'');

        if (ntStatus != 0) {

        buf.append("-Xlog:gc*,gc+age=trace,safepoint:file=");
        if (logFilePath != null) {
            buf.append(logFilePath);
        } else {
            buf.append(ComponentUtil.getSystemHelper().getLogFilePath());
        }
        buf.append(File.separator);
        buf.append("gc-").append(getExecuteType()).append(".log");
        buf.append(":utctime,pid,tags:filecount=5,filesize=64m");

            }
            resultBuf.append("Status of ")
                    .append(ping.getClusterName())
                    .append(" is changed to ")
                    .append(ping.getClusterStatus())
                    .append('.');
        } else if (status == 0) {
            resultBuf.append(ping.getClusterName()).append(" is alive.");
        } else {

        final StringBuilder url = new StringBuilder();
        url.append(protocol).append("://").append(host);
        if (port > 0) {
            url.append(":").append(port);
        }
        if (path != null && !path.isEmpty()) {
            if (!path.startsWith("/")) {
                url.append("/");
            }
            url.append(path);
        }
        return url.toString();
    }

    /**

            logger.error("Failed to purge user info.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        // update job logs
        try {
            jobLogService.updateStatus();
        } catch (final Exception e) {
            logger.error("Failed to purge job logs.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        return resultBuf.toString();
    }

            buf.append("( lineNumber = ").append(lineNumber).append(", columnNumber = ").append(columnNumber).append(")");
        }
        return new String(buf);
    }

            final StringBuilder b = new StringBuilder();
            b.append('"').append(StringEscapeUtils.escapeJson(p.getName())).append("\":{");
            append(b, "count", () -> p.getCount()).append(',');
            append(b, "used", () -> p.getUsed().getBytes()).append(',');
            append(b, "capacity", () -> p.getTotalCapacity().getBytes()).append('}');
            return b.toString();

            buf.append(".html\">File ");
            buf.append(count);
            buf.append("-");
            buf.append(i);
            buf.append("</a><br>");
            buf.append("<a href=\"dir");
            buf.append(count);
            buf.append("-");
            buf.append(i);
            buf.append("/index.html\">Dir ");
            buf.append(count);
            buf.append("-");