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Knowledge Base

An operation or a script that takes more than 60 seconds to complete fails on a website hosted in Plesk: nginx 504 Gateway Time-out

 
apachedomainsfastcgigohosted

Symptoms 

  • An operation or a script that takes more than 60 seconds to complete fails on a website with the following error in a web-browser:

    nginx 504 Gateway Time-out

  • The following error message appears on the Logs page (Domains > example.com > Logs) or in the domain's nginx error logfile
    /var/www/vhosts/system/example.com/logs/proxy_error_log
    :

    [error] 1096#0: *25 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 203.0.113.2, server: example.com, request: "GET / HTTP/1.1", upstream: "fastcgi://unix:///var/www/vhosts/system/example.com/php-fpm.sock", host: "example.com"

Cause

The default timeout limit is 60 seconds for proxying requests from nginx to Apache.

Resolution

If a script takes more than 60 seconds to execute, increase the timeout limit.

  1. Log in to Plesk.

  2. Go to Domains > example.com > Apache & nginx Settings.

  3. Add the following lines to the Additional nginx directives field to increase the timeout limit to 180 seconds (3 minutes):

    proxy_connect_timeout 180s;
    proxy_send_timeout 180s;
    proxy_read_timeout 180s;
    fastcgi_send_timeout 180s;
    fastcgi_read_timeout 180s;

  4. Apply the changes.

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