t.printStackTrace(pw);
            pw.flush();
            return systemHelper.abbreviateLongText(sw.toString());
        } catch (final IOException e) {
            logger.warn("Failed to print the stack trace {}", t.getMessage(), e);
        }
        return StringUtil.EMPTY;
    }

REM Application Configuration
set APP_NAME=fess
set SEARCH_ENGINE_HOME=%FESS_HOME%/es

if NOT "%FESS_USE_GC_LOGGING%" == "" set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Xlog:gc*,gc+age=trace,safepoint:file=%FESS_HOME%/logs/gc-%APP_NAME%.log:utctime,pid,tags:filecount=5,filesize=64m

set FESS_CLASSPATH=%FESS_HOME%\lib\classes
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess

        sb.append(",").append(appTypeSupplier.supply()).append(",").append(resource.getModuleName());
        final String trace = sb.toString();
        final int columnSize = 200;
        return trace.length() > columnSize ? trace.substring(0, columnSize) : trace;
    }

            writer.accept("Thread: " + entry.getKey());
            final StackTraceElement[] trace = entry.getValue();
            for (final StackTraceElement element : trace) {
                writer.accept("\tat " + element);
            }
        }
    }

    }

    public ExecJob gcLogging() {
        final StringBuilder buf = new StringBuilder(100);
        buf.append("-Xlog:gc*,gc+age=trace,safepoint:file=");
        if (logFilePath != null) {
            buf.append(logFilePath);
        } else {
            buf.append(ComponentUtil.getSystemHelper().getLogFilePath());
        }

if [ "x$FESS_PORT" = "x" ]; then
  FESS_PORT=8080
fi
if [ "x$FESS_CONTEXT_PATH" = "x" ]; then
  FESS_CONTEXT_PATH=/
fi
if [ "x$FESS_USE_GC_LOGGING" != "x" ]; then
  FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Xlog:gc*,gc+age=trace,safepoint:file=$FESS_LOG_PATH/gc-$APP_NAME.log:utctime,pid,tags:filecount=5,filesize=64m"
fi
FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Dfess.home=$FESS_HOME"
FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Dfess.context.path=$FESS_CONTEXT_PATH"

                                            <la:option value="INFO">INFO</la:option>
                                            <la:option value="DEBUG">DEBUG</la:option>
                                            <la:option value="TRACE">TRACE</la:option>
                                            <la:option value="ALL">ALL</la:option>
                                        </la:select>
                                    </div>