HPE_HEADER_OVERFLOW

收到的 HTTP 头数据过多。为了防止恶意或配置错误的客户端，如果接收到的 HTTP 头数据超过 maxHeaderSize，HTTP 解析将中止，并且不会创建请求或响应对象，同时会发出带有此代码的 Error。

【Too much HTTP header data was received. In order to protect against malicious or malconfigured clients, if more than maxHeaderSize of HTTP header data is received then HTTP parsing will abort without a request or response object being created, and an Error with this code will be emitted.】