> On 22 Aug 2019, at 15:05, aiaa5505 <nginx-forum at forum.nginx.org> wrote: > > [error] 8#8: *256283 upstream rejected request with error 0 while reading > response header from upstream, HTTP/2.0 > It is not something nginx gRPC proxy currently supports. See https://trac.nginx.org/nginx/ticket/1792 for details and proposed patch.