Artem Bilan 4b43969438 GH-8894: Fix race condition in the DelayHandler ...

Fixes: #8894

* Guard `this.messageStore` access in the `DelayHandler` with existing `this.lock`
to avoid `ConcurrentModificationException`

**Cherry-pick to `6.2.x`**

2024-02-07 16:41:10 -05:00

..

src

GH-8894: Fix race condition in the DelayHandler

2024-02-07 16:41:10 -05:00