shuai.xu created FLINK-11375:
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Summary: Concurrent modification to slot pool due to
SlotSharingManager releaseSlot directly
Key: FLINK-11375
URL: https://issues.apache.org/jira/browse/FLINK-11375
Project: Flink
Issue Type: Bug
Components: JobManager
Affects Versions: 1.7.1
Reporter: shuai.xu
In SlotPool, the AvailableSlots is lock free, so all access to it should in the
main thread of SlotPool, and so all the public methods are called throw
SlotPoolGateway except the releaseSlot directly called by SlotSharingManager.
This may cause a ConcurrentModificationException.
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