Error code 500 when serving from cache

[guy1976]

Hi

We do see error logs for other real failures...

here is the config for error_log

error_log  /var/log/nginx/error.log warn;


Do we know of such bug that could have been fixed in newer versions? Upgrade
is not easy as this is an old installation our customer did for over 100
sites.

Thanks
Guy

Posted at Nginx Forum: https://forum.nginx.org/read.php?2,283716,283722#msg-283722