[ https://issues.apache.org/jira/browse/KAFKA-10401?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marek updated KAFKA-10401: -------------------------- Description: While reading group metadata information from ByteBuffer GroupMetadataManager reads current_state_timestamp only for group schema version 2. For all other versions this value is set to "None". Piece of code responsible for the bug: [https://github.com/apache/kafka/blob/2.6.0/core/src/main/scala/kafka/coordinator/group/GroupMetadataManager.scala#L1412] Restarting kafka forces GroupMetadataManager manager to reload group metadata from file basically causing [KIP-211|[https://cwiki.apache.org/confluence/display/KAFKA/Kafka+Improvement+Proposals?src=breadcrumbs-parent]] to be only applicable for schema version 2. was: While reading group metadata information from ByteBuffer GroupMetadataManager reads current_state_timestamp only for group schema version 2. For all other versions this value is set to "None". Piece of code responsible for the bug: [https://github.com/apache/kafka/blob/2.6.0/core/src/main/scala/kafka/coordinator/group/GroupMetadataManager.scala#L1412] Restarting kafka forces GroupMetadataManager manager to reload group metadata from file basically causing [KIP-211|[https://cwiki.apache.org/confluence/display/KAFKA/Kafka+Improvement+Proposals?src=breadcrumbs-parent]] to be only applicable for schema version 2. > GroupMetadataManager ignores current_state_timestamp field for > GROUP_METADATA_VALUE_SCHEMA_V3 > --------------------------------------------------------------------------------------------- > > Key: KAFKA-10401 > URL: https://issues.apache.org/jira/browse/KAFKA-10401 > Project: Kafka > Issue Type: Bug > Components: offset manager > Affects Versions: 2.1.1, 2.2.2, 2.4.1, 2.6.0, 2.5.1 > Reporter: Marek > Priority: Major > > While reading group metadata information from ByteBuffer GroupMetadataManager > reads current_state_timestamp only for group schema version 2. For all other > versions this value is set to "None". > Piece of code responsible for the bug: > [https://github.com/apache/kafka/blob/2.6.0/core/src/main/scala/kafka/coordinator/group/GroupMetadataManager.scala#L1412] > Restarting kafka forces GroupMetadataManager manager to reload group metadata > from file basically causing > [KIP-211|[https://cwiki.apache.org/confluence/display/KAFKA/Kafka+Improvement+Proposals?src=breadcrumbs-parent]] > to be only applicable for schema version 2. > > -- This message was sent by Atlassian Jira (v8.3.4#803005)