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Martijn Visser commented on FLINK-27840: ---------------------------------------- [~lijixiang] These type of errors usually imply some type of network issues between Flink and your Kafka cluster. I don't think this is a Flink bug. > org.apache.flink.kafka.shaded.org.apache.kafka.common.errors.DisconnectException > -------------------------------------------------------------------------------- > > Key: FLINK-27840 > URL: https://issues.apache.org/jira/browse/FLINK-27840 > Project: Flink > Issue Type: Bug > Affects Versions: 1.13.0 > Reporter: lijixiang > Priority: Major > > |2022-05-30 21:12:05,430 INFO > org.apache.flink.kafka.shaded.org.apache.kafka.clients.FetchSessionHandler [] > - [Consumer clientId=consumer-scene-new-abt2-39, groupId=scene-new-abt2] > Error sending fetch request (sessionId=1409434688, epoch=6) to node 8: {}. > org.apache.flink.kafka.shaded.org.apache.kafka.common.errors.DisconnectException: > null| -- This message was sent by Atlassian Jira (v8.20.7#820007)