Rajini Sivaram created KAFKA-10029:
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Summary: Selector.completedReceives should not be modified when
channel is closed
Key: KAFKA-10029
URL: https://issues.apache.org/jira/browse/KAFKA-10029
Project: Kafka
Issue Type: Bug
Components: network
Affects Versions: 2.5.0
Reporter: Rajini Sivaram
Assignee: Rajini Sivaram
Fix For: 2.6.0, 2.5.1
Selector.completedReceives are processed using `forEach` by SocketServer and
NetworkClient when processing receives from a poll. Since we may close channels
while processing receives, changes to the map while closing channels can result
in ConcurrentModificationException. We clear the entire map after each poll
anyway, so we don't need to remove channel from the map while closing channels.
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