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Cloudflare DevelopersCD
Cloudflare Developers•2w ago•
1 reply
Jack

Occasional Durable Object alarm errors

🌍Durable Objects
I’m seeing occasional Durable Object alarm failures where the log shows an exception, but the error message is only the alarm’s scheduled timestamp.

Example:
"outcome": "exception",
"eventType": "alarm",
"error": "2026-01-28T10:17:08.472Z",
"message": "2026-01-28T10:17:08.472Z"
"outcome": "exception",
"eventType": "alarm",
"error": "2026-01-28T10:17:08.472Z",
"message": "2026-01-28T10:17:08.472Z"


The alarm is programmed by the previous alarm + 5 seconds, the system seems to be working fine.
I've checked my code and it's not a console.error(date).

Is this a known bug?
Thanks.
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