411 Length Required client error response code indicates that the server refuses to accept the request without a defined
Note that, by specification, when sending data in a series of chunks, the
Content-Length header is omitted and at the beginning of each chunk you need to add the length of the current chunk in hexadecimal format. See
Transfer-Encoding for more details.
411 Length Required
|RFC 7231, section 6.5.10: 411 Length Required||Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content|