if (task.isExecuted()) {
                    // Process was killed by the timer.
                    logger.warn("{} was timed out and destroyed.", getName());
                } else {
                    // Process finished normally.
                    final int exitValue = p.exitValue();
                    if (exitValue != 0) {
                        logger.warn("{} failed: exitCode={}, command={}", getName(), exitValue, commandList);

                        logger.warn("Invalid request for {}.", path, response.getContentException());
                    } else {
                        logger.warn("Invalid request for {}. The response is {}", path, response.getContentAsString());
                    }
                }
            } catch (final Exception e) {
                logger.warn("Failed to register {}", filePath, e);
            }

    /** Array of logger name prefixes to apply the ERROR to WARN conversion */
    private final String[] loggerNames;

    /**
     * Constructs a new ErrorToWarnRewritePolicy with the specified logger names.
     *
     * @param loggerNames array of logger name prefixes to convert ERROR to WARN
     */
    public ErrorToWarnRewritePolicy(final String[] loggerNames) {

     *
     * @param connection RDMA connection that encountered error
     * @param error the error that occurred
     * @return true if error was handled and connection recovered, false if fallback needed
     */
    public boolean handleRdmaError(RdmaConnection connection, Exception error) {
        log.warn("RDMA error occurred: {}", error.getMessage());
        statistics.recordError();

        if (isRecoverableError(error)) {

        final LogEvent event = createLogEvent(Level.WARN, "org.codelibs.fess.test", "test warn message");
        warnAppender.append(event);

        final List<LogNotificationEvent> events = ComponentUtil.getLogNotificationHelper().drainAll();
        assertEquals(1, events.size());
        assertEquals("WARN", events.get(0).getLevel());

                    }, e -> {
                        logger.warn("Failed to open index: {}", docIndex, e);
                        coordinator.completeOperation("reload_doc_index");
                    }));
                }, e -> {
                    logger.warn("Failed to close index: {}", docIndex, e);
                    coordinator.completeOperation("reload_doc_index");

            }
        }
        if (!conflicts.isEmpty()) {
            context.logger.warn("Found " + conflicts.size() + " extension conflict(s):");
            for (String conflict : conflicts) {
                context.logger.warn("* " + conflict);
            }
            context.logger.warn("");
            context.logger.warn(

            if (e.getCause() == null) {
                logger.debug(e.getMessage());
            } else {
                logger.warn("Failed to process thumbnail: id={}", id, e);
            }
        } catch (final Exception e) {
            logger.warn("Failed to process thumbnail: id={}", id, e);
        }
        return false;
    }

    /**

    public boolean isInfoEnabled() {
        return logger.isInfoEnabled();
    }

    @Override
    public void warn(String message) {
        setMdc();
        logger.warn(message);
    }

    @Override
    public void warn(String message, Throwable throwable) {
        setMdc();
        logger.warn(message, throwable);
    }

    @Override
    public boolean isWarnEnabled() {
        return logger.isWarnEnabled();

     */
    default void warn(@Nonnull String message) {
        log(Level.WARN, message);
    }

    /**
     * Logs a warning message with an associated exception.
     *
     * @param message the warning message to be logged
     * @param error the associated exception
     */
    default void warn(@Nonnull String message, @Nullable Throwable error) {