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CWP Pro / Nginx 500 Internal Server Error When Uploading Plugins or Using Elemen

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3 Ημέρες 15 Λεπτά πριν #335 από infogate
CWP Pro / Nginx 500 Internal Server Error When Uploading Plugins or Using Elemen δημιουργήθηκε από infogate
Here is a ready-to-post forum message:Title:
CWP Pro / Nginx 500 Internal Server Error When Uploading Plugins or Using ElementorPost:Hi everyone,I want to share a fix that solved a sudden 500 Internal Server Error nginx issue on a CWP Pro server.ProblemWordPress was working, but when trying to upload/update a plugin, for example Elementor, the upload failed with:
500 Internal Server Error
nginx
Elementor editor was also stuck loading, and the nginx error log showed errors like:
open() "/var/lib/nginx/tmp/client_body/0000000045" failed (13: Permission denied)
and:
open() "/var/lib/nginx/tmp/fastcgi/..." failed (13: Permission denied) while reading upstream
After checking nginx processes:
ps aux | grep nginx | head -20
nginx workers were running as:
nobody
But some nginx temp parent folders were owned by
nginx:root
, so the
nobody
user could not access them properly.FixThe following commands fixed the issue:
chown nobody:root /var/lib/nginx
chown nobody:root /var/lib/nginx/tmp
chown -R nobody:root /var/lib/nginx/tmp/client_body
chown -R nobody:root /var/lib/nginx/tmp/fastcgi

chmod 710 /var/lib/nginx
chmod 710 /var/lib/nginx/tmp
chmod 700 /var/lib/nginx/tmp/client_body
chmod 700 /var/lib/nginx/tmp/fastcgi

systemctl restart nginx
After the fixPlugin uploads started working again, and Elementor AJAX requests stopped failing.NotesBefore applying this, check which user nginx is actually running as:
ps aux | grep nginx | head -20
If your nginx workers run as
nobody
, the fix above should apply.You can also check the folder permissions with:
ls -ld /var/lib/nginx /var/lib/nginx/tmp /var/lib/nginx/tmp/client_body /var/lib/nginx/tmp/fastcgi
Hope this helps someone facing the same sudden CWP Pro / nginx upload or Elementor 500 error.

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