The GitHub Actions job "Build legacy documentation" on flink.git/master has 
failed.
Run started by GitHub user MartijnVisser (triggered by MartijnVisser).

Head commit for run:
fd9a1ba39acb255aacf0bf2f3f0dc389e8ea5782 / bvarghese1 <[email protected]>
[FLINK-38992] Expire associated state together for non-time over windows

- Non-Time over windows uses multiple states to manage data
- These states define ttl independently which causes out of sync expiry for
  all associated states for the same key thus leading to NullPointerException
- To fix this, register a cleanup timer state and use that to expire
  all associated state for a key when the timer fires. This guarantees
  expiration of all associated keys across states.

Report URL: https://github.com/apache/flink/actions/runs/21635499757

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