502 bad gateway error
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Hello,
On multisite, it always caused 502 bad gateway errors, in this case, I can not access both backend and frontend, and I enabled debug, and find some information for your check:
https://prntscr.com/ql3xbfOnly these plugin are activated:
Classic Editor
Network Active | Rollback
Enables the WordPress classic editor and the old-style Edit Post screen with TinyMCE, Meta Boxes, etc. Supports the older plugins that extend this screen.
Version 1.5 | By WordPress Contributors | View detailsNginx Helper
Network Active | Rollback
Cleans nginx’s fastcgi/proxy cache or redis-cache whenever a post is edited/published. Also does few more things.
Version 2.1.0 | By rtCamp | View detailsPost SMTP
Donate | Settings | Visit us | Deactivate | Rollback
Email not reliable? Post SMTP is the first and only WordPress SMTP plugin to implement OAuth 2.0 for Gmail, Hotmail and Yahoo Mail. Setup is a breeze with the Configuration Wizard and integrated Port Tester. Enjoy worry-free delivery even if your password changes!
Version 2.0.6 | By Yehuda Hassine | View detailsRedis Object Cache
Network Active | Rollback
A persistent object cache backend powered by Redis. Supports Predis, PhpRedis, HHVM, replication, clustering and WP-CLI.
Version 1.5.5 | By Till Krüss | View detailsWooCommerce
Settings | Deactivate | Rollback
An eCommerce toolkit that helps you sell anything. Beautifully.
Version 3.8.1 | By Automattic | View details | Docs | API docs | Premium supportWoocommerce Shipping Packages
Deactivate | Rollback
Groups products in the cart into packages, so they can be shipped with different shipping methods.
Version 1.0.12 | By OneTeamSoftware | View detailsWP Rollback
Network Active | Rollback
Rollback (or forward) any www.remarpro.com plugin or theme like a boss.
Version 1.7.0 | By Impress.org | View detailsHere is the server information:
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### WordPress Environment ###WC Version: 3.8.1
REST API Version: ? 1.0.2
Log Directory Writable: ?
WP Version: 5.3.2
WP Multisite: ?
WP Memory Limit: 256 MB
WP Debug Mode: ?
WP Cron: ?
Language: en_US
External object cache: ?### Server Environment ###
Server Info: nginx/1.16.1
PHP Version: 7.3.13-1+ubuntu18.04.1+deb.sury.org+1
PHP Post Max Size: 100 MB
PHP Time Limit: 300
PHP Max Input Vars: 20000
cURL Version: 7.58.0
OpenSSL/1.1.1SUHOSIN Installed: –
MySQL Version: 5.5.5-10.3.21-MariaDB-1:10.3.21+maria~bionic-log
Max Upload Size: 1 MB
Default Timezone is UTC: ?
fsockopen/cURL: ?
SoapClient: ?
DOMDocument: ?
GZip: ?
Multibyte String: ?
Remote Post: ?
Remote Get: ?Thanks
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