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https://issues.apache.org/jira/browse/KAFKA-7118?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Yu updated KAFKA-7118:
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Component/s: consumer
> KafkaConsumer#close() is not thread safe
> ----------------------------------------
>
> Key: KAFKA-7118
> URL: https://issues.apache.org/jira/browse/KAFKA-7118
> Project: Kafka
> Issue Type: Bug
> Components: consumer
> Reporter: Richard Yu
> Priority: Major
>
> It was discovered that there is a potential problem relating to
> {{KafkaConsumer#close()}}. When several cores are modifying the same
> consumer, a {{ConcurrentModification}} exception could result. This issue was
> first posted on Spark. For testing details, see SPARK-23636.
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