* requestCount}, or {@code 0.0} when {@code requestCount == 0}. Note that {@code hitRate +
   * missRate =~ 1.0}. Cache misses include all requests which weren't cache hits, including
   * requests which resulted in either successful or failed loading attempts, and requests which
   * waited for other threads to finish loading. It is thus the case that {@code missCount >=

   * requestCount}, or {@code 0.0} when {@code requestCount == 0}. Note that {@code hitRate +
   * missRate =~ 1.0}. Cache misses include all requests which weren't cache hits, including
   * requests which resulted in either successful or failed loading attempts, and requests which
   * waited for other threads to finish loading. It is thus the case that {@code missCount >=

                : EnumSet.of(IssueLocality.EXTERNAL);

        if (hasAnythingToReport(issuesMap, issueLocalitiesToReport)) {
            logger.warn("");
            logger.warn("Plugin {} validation issues were detected in following plugin(s)", issueLocalitiesToReport);
            logger.warn("");
            for (Map.Entry<String, PluginValidationIssues> entry : issuesMap.entrySet()) {

                    LOGGER.warn("{}{}", problem.getMessage(), ((loc != null && !loc.isEmpty()) ? " @ " + loc : ""));
                }

                problems = true;
            }
        }

        if (problems) {
            LOGGER.warn("");
            LOGGER.warn("It is highly recommended to fix these problems"

        if (logger.isDebugEnabled()) {
            logger.warn(msg, event.getArtifact(), event.getException().getMessage());
        } else {
            logger.warn(msg, event.getArtifact(), "enable verbose output (-X) for more details");
        }
    }

    @Override
    public void artifactDescriptorMissing(RepositoryEvent event) {

                        logger.warn("  " + unsafeGoal.getId());
                    }
                } else {
                    logger.warn("The following plugins are not marked as thread-safe in " + project.getName() + ":");
                    for (Plugin unsafePlugin : unsafePlugins) {
                        logger.warn("  " + unsafePlugin.getId());
                    }
                    logger.warn("");

        }
    }

    /**
     * WARN情報を出力します。
     *
     * @param message
     *            メッセージ
     * @param throwable
     *            例外
     */
    public void warn(final Object message, final Throwable throwable) {
        log.warn(toString(message), throwable);
    }

    /**
     * WARN情報を出力します。
     *
     * @param message
     *            メッセージ

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

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

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

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

        try {
            urlFilterService.delete(sessionId);
        } catch (final Exception e) {
            logger.warn("Failed to delete url filters: {}", sessionId, e);
        }
        try {
            urlQueueService.delete(sessionId);
        } catch (final Exception e) {
            logger.warn("Failed to delete url queues: {}", sessionId, e);
        }
        try {
            dataService.delete(sessionId);

                    }
                } else {
                    logger.warn("Failed to send {} to {}. HTTP Status is {}. {}", body, url, response.getHttpStatusCode(),
                            response.getContentAsString());
                }
            } catch (final IOException e) {
                logger.warn("Failed to send {} to {}.", body, url, e);
            }
        }));
    }