Error in parsing line

[jmpalomares]

Environment

EKS
Nginx: 1.25.5
Prometheus_nginxlog_exporter: ghcr.io/martin-helmich/prometheus-nginxlog-exporter/exporter:v1

issue

Parsing error, and no output:

# HELP nginx_parse_errors_total Total number of log file lines that could not be parsed
# TYPE nginx_parse_errors_total counter
nginx_parse_errors_total 96

error while parsing line '172.26.22.50 - - [10/Apr/2025:14:14:24 +0000] "POST /api/webhook HTTP/1.1" 0.006 400 52 "-" "GitHub-Hookshot/1c76dbe" "-" "TLSv1.3/TLS_AES_256_GCM_SHA384"': text log parsing err: access log line '172.26.22.50 - - [10/Apr/2025:14:14:24 +0000] "POST /api/webhook HTTP/1.1" 0.006 400 52 "-" "GitHub-Hookshot/1c76dbe" "-" "TLSv1.3/TLS_AES_256_GCM_SHA384"' does not match given format '^(?P<remote_addr>[^ ]*) - (?P<remote_user>[^ ]*) \[(?P<time_local>[^]]*)\] (?P<request_method>[^ ]*) "(?P<request_uri>[^"]*)" (?P<status>[^ ]*)'

Configurations

nginx.conf:

        access_log /dev/stdout upstreaminfo;
        log_format  upstream_time  '$remote_addr - $remote_user [$time_local] "$request" '
                  '$request_time $status $body_bytes_sent "$http_referer" '
                  '"$http_user_agent" "$http_x_forwarded_for" "$ssl_protocol/$ssl_cipher"';
        access_log /var/log/nginx/access.log upstream_time;

exporter.hcl:

    listen {
      port = 4040
    }

    namespace "nginx" {
      source_files = [
        "/var/log/nginx/access.log"
      ]
      format = "$remote_addr - $remote_user [$time_local] \"$request\" $request_time $status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\" \"$ssl_protocol/$ssl_cipher\""

      relabel "method" { from = "request_method" }
      relabel "request_uri" { from = "request_uri" }

      labels {
        app = "nginx-controller"
      }
    }

example log output:
172.26.22.50 - - [10/Apr/2025:14:14:24 +0000] "POST /api/webhook HTTP/1.1" 400 52 "-" "GitHub-Hookshot/1c76dbe" 8776 0.006 [argocd-argocd-server-443] [] 100.64.104.182:8080 52 0.003 400 d79164fed4e772ef41740189c421ca6f

I have tried different setups based in documentation and other threads opened by users, but always the same result.

What am I doing wrong?
Please help.

[jmpalomares]

It seems there are multiples log_format configuration in the nginx-controller in helm chart and this caused the issue

        log_format upstreaminfo '$remote_addr - $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent" $request_length $request_time [$proxy_upstream_name] [$proxy_alternative_upstream_name] $upstream_addr $upstream_response_length $upstream_response_time $upstream_status $req_id';
        log_format exporter '$remote_addr - $remote_user [$time_local] "$request" '
        log_format log_stream '[$remote_addr] [$time_local] $protocol $status $bytes_sent $bytes_received $session_time';