public void close() {
        clientMap.values().stream().distinct().forEach(client -> {
            try {
                client.close();
            } catch (final Exception e) {
                logger.warn("Faild to close {}.", client.getClass().getCanonicalName(), e);
            }
        });
    }

            try {
                fileConfig = fileConfigService.getFileConfig(getFileConfigId()).get();
            } catch (final Exception e) {
                logger.warn("File Config {} does not exist.", getFileConfigId(), e);
            }
        }
        return fileConfig;
    }

    @Override
    public String toString() {

                if (sourceLevel != Level.ERROR) {
                    return event;
                }
                return new Log4jLogEvent.Builder(event).setLevel(Level.WARN).build();
            }
        }
        return event;
    }

    @PluginFactory
    public static ErrorToWarnRewritePolicy createPolicy(@PluginAttribute("loggers") final String loggerNamePrefix) {

            len += 2;
            if ( len > maxLen ) {
                if ( log.isDebugEnabled() ) {
                    log.warn("Failed to find string termination with max length " + maxLen);
                    log.debug(Hexdump.toHexString(buffer, bufferIndex, len));
                }

import okhttp3.internal.http2.Http2
import okhttp3.internal.platform.android.AndroidLog.androidLog

private val LogRecord.androidLevel: Int
  get() =
    when {
      level.intValue() > Level.INFO.intValue() -> Log.WARN
      level.intValue() == Level.INFO.intValue() -> Log.INFO
      else -> Log.DEBUG
    }

object AndroidLogHandler : Handler() {
  override fun publish(record: LogRecord) {

        try {
            doc = searchHelper.getDocumentByDocId(form.docId, queryFieldConfig.getCacheResponseFields(), getUserBean()).orElse(null);
        } catch (final Exception e) {
            logger.warn("Failed to request: {}", form.docId, e);
        }
        if (doc == null) {
            saveError(messages -> messages.addErrorsDocidNotFound(GLOBAL, form.docId));
            return redirect(ErrorAction.class);
        }

        if (logger.isDebugEnabled()) {
            logger.debug("[{}] {}", errorCode, stacktraceString.get().replace("\n", "\\n"));
        } else {
            logger.warn("[{}] {}", errorCode, cause.getMessage());
        }
        return "error_code:" + errorCode;
    }

            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;
    }

                if (paramValue == null) {
                    return defaultValue;
                }

                return convertObj(paramValue, clazz);
            } catch (final Exception e) {
                logger.warn("Could not load init parameters: " + key + " from " + initParamMap, e);
            }
        }
        return defaultValue;
    }

    @SuppressWarnings("unchecked")

        } finally {
            if (dfos != null && !dfos.isInMemory()) {
                final File file = dfos.getFile();
                if (!file.delete()) {
                    logger.warn("Failed to delete {}.", file.getAbsolutePath());
                }
            }
        }

    }

    protected String getMimeType(final DeferredFileOutputStream out) throws IOException {