http2 request failed

[zffocussss]

Hi guys:
we are using the kong application gateway which is built with openrest and other plugins.but requests failed due to http2 request.

lua-nginx-module/src/ngx_http_lua_req_body.c

Line 90 in 7598ff3

if (r->main->stream && r->headers_in.content_length_n < 0) {

[ZJfans]

check if your request has content-length header

[zffocussss]

check if your request has content-length header

content-length request header is not sent.It is not mandatory with the http2.

[oowl]

Please check the context in #2237 and #2172