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Servers in 360 Monitoring shown as offline with "Please wait ~15 minutes for the server to send more data" message after recent 360 Monitoring update

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Alexander Davydov
Updated
Plesk 360 Platform 360

Symptoms

  • Servers in 360 Monitoring shown as offline with "Please wait ~15 minutes for the server to send more data" message

  • The following error is constantly persists in /var/log/agent360.log file:

    CONFIG_TEXT: 2025-04-28 08:45:31,570 ERROR Failed to submit collection: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:897)

  • This article does not help: "no data received" alerts on 360 Monitoring

Cause

Recent update of Python certifi module that now does not accept the current certificate chain from 360 Monitoring Cloudflare SSL.

Resolution

Issue was fixed by 360 Monitoring developers.

If in some case the issue persists, apply the next workaround:

  1. Connect to the server via SSH.

  2. Downgrade certifi module:

    # pip3 install certifi==2024.8.30

  3. Restart 360 Monitoring service:

    # service agent360 restart

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