HPE_HEADER_OVERFLOW

接收到的 HTTP 头数据过多。为了防止恶意或配置错误的客户端，如果接收到超过 8 KiB 的 HTTP 头数据，HTTP 解析将会中止，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 8 KiB 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.】