Nginx 502 Bad Gateway :: Could not export database using PHPMyAdmin

APPLIES TO: Parallels Plesk Panel 11.5 for Linux

Symptoms

The following error is shown when I try to export the database using PHPMyAdmin:

Nginx 502 Bad Gateway

According to the release notes, the issue was fixed in #MU14. However, I have installed all the Micro-Updates, and the issue persists.

Cause

This issue has another root cause and will be fixed in a future product update.
Resolution

As a workaround, you may disable aps:

Set apc.enabled = 0 in the /usr/local/psa/admin/conf/php.ini configuration file.

Restart sw-engine:

# /etc/init.d/sw-engine restart