Different Plesk interface operations are stuck and freeze frequently: Request to ws-server failed

Dmitry Bystrov

12 months ago

Symptoms

Various Plesk operations like adding customers/domains, importing databases freeze and stuck forever.
Unable to install extensions at Extensions > Extension Catalog page, the installation is stuck on "Installing" step:
The following errors can be found in /var/log/plesk/panel.log file:

ERR [panel] Request to ws-server failed with response: 403 Forbidden

ERR [panel] The response callback is expected to resolve with an object implementing PsrHttpMessageResponseInterface, but rejected with "PleskObjectNotFoundException" instead.
ERR [panel] Request to ws-server failed with response: 500 external Server Error

Stuck plesk-web-socket process.

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