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Cédric Champeau
committed
on 12 Jul 17
Fix `ConcurrentModificationException`
This commit adds guards around `holder` to make sure the list is not modified concurrently.
This fixes… Show more
Fix `ConcurrentModificationException`

This commit adds guards around `holder` to make sure the list is not modified concurrently.

This fixes #2452, which was seen under heavy load.

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