[ https://issues.apache.org/jira/browse/KAFKA-12390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrey updated KAFKA-12390: --------------------------- Attachment: (was: negative lag kafka.png) > error when storing group assignment during SyncGroup > ----------------------------------------------------- > > Key: KAFKA-12390 > URL: https://issues.apache.org/jira/browse/KAFKA-12390 > Project: Kafka > Issue Type: Bug > Components: offset manager > Affects Versions: 2.4.0 > Reporter: Andrey > Priority: Major > Attachments: negative lag kafka.png > > > There is a cluster consisting of 3 nodes > Apache Kafka Cluster 2.4.0 > messages were observed in the logs of one of the nodes: > Preparing to rebalance group corecft-adapter2 in state PreparingRebalance > with old generation 5043 (__consumer_offsets-22) (reason: error when storing > group assignment during SyncGroup (member: > consumer-5-5f3f994d-7c7c-43d6-8e0b-e011bdc2f9ba)) (kafka. > coordinator.group.GroupCoordinator) > Messages from the topic were read, but no commit occurred. then there was > balancing and the data in the topics was "doubled". There was also a > "negative" lag > there are no error messages in the zookeeper logs > -- This message was sent by Atlassian Jira (v8.3.4#803005)