Why did the note task stop running on August 29, 2026?

App logs reopened later show the app quit and restarted three times in under a minute around 18:05-18:06, then stayed closed until the next evening; the reason for the 18:00 exit was not recorded.

What did the app logs show during the September outage?

From 22:43 on September 3 until the evening of September 6, the line "Deferring check: net.isOnline() is false" appeared every minute, totaling 4,322 lines over 72 hours.

How does the author now check Claude Code's explanations?

They ask it to open and quote the relevant log lines before stating a cause, to write where it looked if no log is found, and to pair any guess with one way to verify it.

Large Language ModelsAI Coding AssistantsZenn AI/ML1d agoOct 15, 2026, 10:00 JST

Claude Code blamed sleep, skipped logs in 2 task outages

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3 Key Points

What happened
On Aug 29, 2026, a scheduled note task did not run; in its work log, Claude Code wrote that the cause was unverified and the Mac may have been asleep, without ever opening the app's logs.
Why it matters
Reopening the app's logs later showed the app had quit and restarted three times around 18:05-18:06 that day, an explanation Claude Code had missed at the time.

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FAQ

Why did the note task stop running on August 29, 2026?: App logs reopened later show the app quit and restarted three times in under a minute around 18:05-18:06, then stayed closed until the next evening; the reason for the 18:00 exit was not recorded.
What did the app logs show during the September outage?: From 22:43 on September 3 until the evening of September 6, the line "Deferring check: net.isOnline() is false" appeared every minute, totaling 4,322 lines over 72 hours.
How does the author now check Claude Code's explanations?: They ask it to open and quote the relevant log lines before stating a cause, to write where it looked if no log is found, and to pair any guess with one way to verify it.

Zenn AI/MLRead Original Article

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