为什么 Action 报错不打印异常堆栈 about hutool HOT 8 CLOSED

log.error(e, msg);

/**
 * 异常处理过滤器
 *
 * @author looly
 */
public abstract class ExceptionFilter implements HttpFilter {

	@Override
	public void doFilter(final HttpServerRequest req, final HttpServerResponse res, final Filter.Chain chain) {
		try {
			chain.doFilter(req.getHttpExchange());
		} catch (final Throwable e) {
			afterException(req, res, e);
		}
	}

	/**
	 * 异常之后的处理逻辑
	 *
	 * @param req {@link HttpServerRequest}
	 * @param res {@link HttpServerResponse}
	 * @param e   异常
	 */
	public abstract void afterException(final HttpServerRequest req, final HttpServerResponse res, final Throwable e);
}

public class ExceptionServerTest {
	public static void main(final String[] args) {
		HttpUtil.createServer(8888)
			.addFilter(new DefaultExceptionFilter())
			.addAction("/", (req, res) -> {
				throw new RuntimeException("Test Exception");
			})
			.start();
	}
}