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I am currently writing a HTTP client to do a HTTP POST on a URL that returns a HTTP response.
However, for error messages code 400 and 500, it sends back non chunked HTTP response, and for success messages, 201, it sends a chunked response.
In the request, I am setting the content-length, so I am not sure why it is still sending us the chunked transfer encoding. Is there any other header I can set in the request, that will tell the HTTP server not to send chunked encoding?
headerList.append("POST /v2/charges HTTP/1.1")
headerList.append("Content-Type: application/json")
headerList.append("host: xxxxxxxxx")
headerList.append("request-id: ABCD001123")
headerList.append("Content-length: %d" %len(Msg))
hostReqHeader = "\r\n".join(headerList)
reqData = hostReqHeader + '\r\n\r\n' + qbPosMsg
I am using sockets to send these HTTP messages, and not using httplib or requests library.
270
Try adding "&headers=false" to your request. That should shorten it up and cause the response to be less likely to be chunked. Also, are you sending a HTTP/1.1 or HTTP/1.0 request? Try sending a HTTP/1.0 if your device cannot handle a HTTP/1.1 request.
Chunking is a technique that HTTP servers use to improve responsiveness. Chunking can help you avoid situations where the server needs to obtain dynamic content from an external source and delays sending the response to the client until receiving all of the content so the server can calculate a Content-Length header.
Chunked encoding allows the sender to send additional header fields after the message body. This is important in cases where values of a field cannot be known until the content has been produced, such as when the content of the message must be digitally signed.
HTTP/1.1 uses content-coding values in the Accept-Encoding (section 14.3) and Content-Encoding (section 14.11) header fields. Although the value describes the content-coding, what is more important is that it indicates what decoding mechanism will be required to remove the encoding.
Chunked is a required feature of HTTP/1.1. If you do not require any other 1.1-specific features, specify HTTP/1.0 in your request:
headerList.append("POST /v2/charges HTTP/1.0")
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