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Outage in Cloudflare

Durable Objects Failing To Wake From Hibernation

Resolved Minor
July 03, 2025 - Started 10 months ago - Lasted about 10 hours
Official incident page

Incident Report

We are investigating reports of Durable Objects having issues waking from Websocket hibernation.

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Latest Updates ( sorted recent to last )
MONITORING 10 months ago - at 07/04/2025 07:58AM

A fix has been implemented and we are monitoring the results.

IDENTIFIED 10 months ago - at 07/04/2025 06:52AM

We are reverting a change that coincides with this issue. The rollback is currently in progress.

IDENTIFIED 10 months ago - at 07/04/2025 03:23AM

We are continuing to work on a fix for this issue.

IDENTIFIED 10 months ago - at 07/04/2025 01:02AM

Some Durable Objects using the WebSocket Hibernation API are failing to call WebSocket::send() after waking from hibernation, which is preventing WebSocket messages from being delivered to clients.
we are now rolling out a fix.

INVESTIGATING 10 months ago - at 07/03/2025 10:37PM

We are investigating reports of Durable Objects having issues waking from Websocket hibernation.

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