HTTP 500 Errors on Admin AJAX call

Support
1

I’m getting this error in my ngnix logs when performing a task using the ThreeWP Broadcast plugin:

2017/02/24 18:34:45 [error] 43#0: *1 connect() to unix:/var/run/php-fpm.sock failed (111: Connection refused) while connecting to upstream, client: 172.17.0.1, server: ~^(.*)\.local\.devsite\.org$, request: "POST /master/wp-admin/admin-ajax.php HTTP/1.0", upstream: "fastcgi://unix:/var/run/php-fpm.sock:", host: "local.devsite.org", referrer: "http://local.devsite.org/master/wp-admin/admin.php?page=threewp_broadcast_queue"

PHP: 7.0.3
WordPress 4.7.2

Not sure when it started, but recently updated Local by Flywheel, so wondering if it is related. If not, any thoughts on what might be causing this?

Thanks!

2

Have you tried restarting the site?

Also, are there any errors in the PHP-FPM error log?

3

Hey @clay,

Yes, I restared, no change.

I did have an error in the PHP-FPM log:

[24-Feb-2017 17:56:04] WARNING: [pool www] server reached pm.max_children setting (5), consider raising it

And change the www.config to increase the pm.max_children based on an article I found. Here is what I have now:

pm.max_children = 160
pm.start_servers = 20
pm.min_spare_servers = 20
pm.max_requests = 500

Since making that change, I’m not getting any errors in the php logs.

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