411 Length Required

411 Length Required

The server refuses to accept the request without a defined Content-Length¹.

The client MAY repeat the request if it adds a valid Content-Length header field containing the length of the message body in the request message.

¹ Content-Length RFC7230 Section 3.3.2
Source: RFC7231 Section 6.5.10

411 Code references

Go HTTP Status Constant http.StatusLengthRequired
Python3+ HTTP Status Constant http.client.LENGTH_REQUIRED
Python3.5+ HTTP Status Constant http.HTTPStatus.LENGTH_REQUIRED
Rails HTTP Status Symbol :length_required
Symfony HTTP Status Constant Response::HTTP_LENGTH_REQUIRED

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