[nginx] FastCGI sent in stderr: "Primary script unknown" while reading response header from upstream...

2022/10/28 16:50:59 [error] 3137#3137: *5 FastCGI sent in stderr: "Primary script unknown" while reading response header from upstream, client: xxx.xxx.xxx.xxx, server: xxx.xxx, request: "GET / HTTP/1.1", upstream: "fastcgi://unix:/dev/shm/php-fpm.sock:", host: "www.xxx.xxx"

  "기본 스크립트를 알 수 없음(Primary script unknown)"은 fastcgi_param 지시문에서 잘못 설정된 SCRIPT_FILENAME를 잘못 지정했을 때 나올 수 있다.

  nginx.conf에 들어가는 내용에서 아래 내용을 넣거나 고쳐 준다.

fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;

※ 참고

• https://serverfault.com/questions/517190/nginx-1-fastcgi-sent-in-stderr-primary-script-unknown