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https://issues.apache.org/jira/browse/FLINK-26967?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Roman Khachatryan reassigned FLINK-26967:
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Assignee: Roman Khachatryan
> Fix race condition in CopyOnWriteStateMap
> -----------------------------------------
>
> Key: FLINK-26967
> URL: https://issues.apache.org/jira/browse/FLINK-26967
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / State Backends
> Reporter: Roman Khachatryan
> Assignee: Roman Khachatryan
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.16.0
>
>
> Currently, handling chained entry on copy-on-write uses object
> identity to find the wanted entry in the chain. However, if
> the same method is running concurrently, the object in the chain
> can be replaced by its copy; the condition will never be met and
> the chain end will be reached, causing an NPE.
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