ReentrantLock lockD = otherFactory.newReentrantLock("LockD");

    // lockD -> lockA
    lockD.lock();
    lockA.lock();
    lockA.unlock();
    lockD.unlock();

    // lockA -> lockD should warn but otherwise succeed because lockD was
    // created by a factory with the WARN policy.
    lockA.lock();
    lockD.lock();
  }

    ReentrantLock lockD = otherFactory.newReentrantLock("LockD");

    // lockD -> lockA
    lockD.lock();
    lockA.lock();
    lockA.unlock();
    lockD.unlock();

    // lockA -> lockD should warn but otherwise succeed because lockD was
    // created by a factory with the WARN policy.
    lockA.lock();
    lockD.lock();
  }

    @Override
    public boolean isWarnEnabled() {
        return logger.isLoggable(Level.WARNING);
    }

    @Override
    public void warn(final String message) {
        logger.logp(Level.WARNING, sourceClass, null, message);
    }

    @Override
    public void warn(final String message, final Throwable t) {
        logger.logp(Level.WARNING, sourceClass, null, message, t);
    }

    @Override

    /*
     * (non-Javadoc)
     *
     * @see org.seasar.extension.timer.TimeoutTarget#expired()
     */
    @Override
    public void expired() {
        if (clientConnectionManager == null) {
            logger.warn("clientConnectionManager is null.");
            return;
        }

        try {
            // Close expired connections
            clientConnectionManager.closeExpired();
            // Close idle connections

        });
        try {
            pathMappingService.store(entity);
            saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
        } catch (final Exception e) {
            logger.warn("Failed to process a request.", e);
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
        }

        final RelatedContent relatedContent = getRelatedContent(body).map(entity -> {
            try {
                relatedContentService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
            return entity;

     * Handle channel failure
     *
     * @param failedChannel failed channel
     * @param error error that caused failure
     */
    public void handleFailure(ChannelInfo failedChannel, Exception error) {
        log.warn("Channel {} failed: {}", failedChannel.getChannelId(), error.getMessage());

        // Mark channel as failed
        failedChannel.setState(ChannelState.FAILED);

        // Get or create failover state

                } else {
                    String errorMsg = response != null ? response.getError() : "Response was null";
                    log.warn("Failed to unregister witness: {}", errorMsg);
                }

            } catch (Exception e) {
                log.error("Error during witness unregistration", e);
            }
        });
    }

        final LabelType labelType = getLabelType(body).map(entity -> {
            try {
                labelTypeService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
            return entity;

        final DataConfig dataConfig = getDataConfig(body).map(entity -> {
            try {
                dataConfigService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
            return entity;