We are having intermittent problems uploading files via nginx to a flask backend over http2:
2019/12/16 16:07:08 [debug] 27658#27658: *1 event timer: 3, old: 1576512608187, new: 1576512608301 2019/12/16 16:07:08 [debug] 27658#27658: *1 http2 idle handler 2019/12/16 16:07:08 [info] 27658#27658: *1 http2 flood detected while processing HTTP/2 connection, client: x.x.x.x, server: 0.0.0.0:443 2019/12/16 16:07:08 [debug] 27658#27658: *1 http2 send GOAWAY frame, status:0 2019/12/16 16:07:08 [debug] 27658#27658: *1 posix_memalign: 0000563642B8EE20:512 @16 2019/12/16 16:07:08 [debug] 27658#27658: *1 http2 frame out: 0000563642B8EE40 sid:0 bl:0 len:8 2019/12/16 16:07:08 [debug] 27658#27658: *1 malloc: 0000563642D0A870:16384 2019/12/16 16:07:08 [debug] 27658#27658: *1 SSL buf copy: 17 2019/12/16 16:07:08 [debug] 27658#27658: *1 SSL to write: 17 Is there anyway of getting information on what might be triggering this? We've changed some defaults: client_max_body_size 10m; http2_body_preread_size 256k; http2_recv_buffer_size 1m; proxy_headers_hash_max_size 512; proxy_headers_hash_bucket_size 128; Client is Chrome: Version 78.0.3904.97 (Developer Build) built on Debian 10.1, running on Debian 10.2 (64-bit) openssl: OpenSSL 1.1.0l 10 Sep 2019 nginx: nginx version: nginx/1.10.3 built with OpenSSL 1.1.0k 28 May 2019 (running with OpenSSL 1.1.0l 10 Sep 2019) TLS SNI support enabled configure arguments: --with-cc-opt='-g -O2 -fdebug-prefix-map=/build/nginx-DhOtPd/nginx-1.10.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2' --with-ld-opt='-Wl,-z,relro -Wl,-z,now' --prefix=/usr/share/nginx --conf-path=/etc/nginx/nginx.conf --http-log-path=/var/log/nginx/access.log --error-log-path=/var/log/nginx/error.log --lock-path=/var/lock/nginx.lock --pid-path=/run/nginx.pid --modules-path=/usr/lib/nginx/modules --http-client-body-temp-path=/var/lib/nginx/body --http-fastcgi-temp-path=/var/lib/nginx/fastcgi --http-proxy-temp-path=/var/lib/nginx/proxy --http-scgi-temp-path=/var/lib/nginx/scgi --http-uwsgi-temp-path=/var/lib/nginx/uwsgi --with-debug --with-pcre-jit --with-ipv6 --with-http_ssl_module --with-http_stub_status_module --with-http_realip_module --with-http_auth_request_module --with-http_v2_module --with-http_dav_module --with-http_slice_module --with-threads --with-http_addition_module --with-http_flv_module --with-http_geoip_module=dynamic --with-http_gunzip_module --with-http_gzip_static_module --with-http_image_filter_module=dynamic --with-http_mp4_module --with-http_perl_module=dynamic --with-http_random_index_module --with-http_secure_link_module --with-http_sub_module --with-http_xslt_module=dynamic --with-mail=dynamic --with-mail_ssl_module --with-stream=dynamic --with-stream_ssl_module --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/headers-more-nginx-module --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-auth-pam --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-cache-purge --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-dav-ext-module --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-development-kit --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-echo --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/ngx-fancyindex --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nchan --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-lua --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-upload-progress --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/nginx-upstream-fair --add-dynamic-module=/build/nginx-DhOtPd/nginx-1.10.3/debian/modules/ngx_http_substitutions_filter_module -- Your hydrogen & fuel cell partner Arcola Energy Ltd, 24 Ashwin Street, London E8 3DL. www.arcolaenergy.com <https://www.arcolaenergy.com/> / +44 20 7503 1386 Registered in England and Wales, Company Number 7257863, VAT Number 110085273. Copyright 2019. Confidential and Proprietary. Not to be disseminated or copied in full or in part. _______________________________________________ nginx mailing list nginx@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx
