Rameshkanna N created KAFKA-18938: ------------------------------------- Summary: Kraft version and metadata version wrongly showing Key: KAFKA-18938 URL: https://issues.apache.org/jira/browse/KAFKA-18938 Project: Kafka Issue Type: Bug Components: controller, kraft Affects Versions: 3.9.0 Reporter: Rameshkanna N
I am using Kafka {*}3.9.0{*}. When starting a {*}KRaft controller{*}, it shows {*}metadata version 3.0-IV1{*}, but when formatting storage, it shows {*}version 3.9-IV0{*}. When I try to confirm the version using: {{sh kafka-features.sh --bootstrap-controller localhost:9091 describe}} it shows {*}finalized KRaft version 0{*}. Can anyone help me resolve this issue? Logs: sh kafka-features.sh --bootstrap-controller localhost:9091 describe Feature: kraft.version SupportedMinVersion: 0 SupportedMaxVersion: 1 FinalizedVersionLevel: 0 Epoch: 6 Feature: metadata.version SupportedMinVersion: 3.0-IV1 SupportedMaxVersion: 3.9-IV0 FinalizedVersionLevel: 3.9-IV0 Epoch: 6 Server.log: [2025-03-06 14:47:04,547] INFO [controller-101-to-controller-registration-channel-manager]: Recorded new KRaft controller, from now on will use node 128.1.1.30:9093 (id: 101 rack: null) (kafka.server.NodeToControllerRequestThread) [2025-03-06 14:47:04,549] INFO [ControllerRegistrationManager id=101 incarnation=76ZgyuSWRz6utmnnwsAwcA] sendControllerRegistration: attempting to send ControllerRegistrationRequestData(controllerId=101, incarnationId=76ZgyuSWRz6utmnnwsAwcA, zkMigrationReady=false, listeners=[Listener(name='CONTROLLER', host='128.1.1.30', port=9093, securityProtocol=0)], features=[Feature(name='kraft.version', minSupportedVersion=0, maxSupportedVersion=1), Feature(name='metadata.version', minSupportedVersion=1, maxSupportedVersion=21)]) (kafka.server.ControllerRegistrationManager) [2025-03-06 14:47:04,556] INFO Kafka version: 3.9.0 (org.apache.kafka.common.utils.AppInfoParser) [2025-03-06 14:47:04,556] INFO Kafka commitId: a60e31147e6b01ee (org.apache.kafka.common.utils.AppInfoParser) [2025-03-06 14:47:04,556] INFO Kafka startTimeMs: 1741272424551 (org.apache.kafka.common.utils.AppInfoParser) [2025-03-06 14:47:04,558] INFO [KafkaRaftServer nodeId=101] Kafka Server started (kafka.server.KafkaRaftServer) [2025-03-06 14:47:04,682] INFO [ControllerRegistrationManager id=101 incarnation=76ZgyuSWRz6utmnnwsAwcA] Our registration has been persisted to the metadata log. (kafka.server.ControllerRegistrationManager) [2025-03-06 14:47:04,684] INFO [ControllerRegistrationManager id=101 incarnation=76ZgyuSWRz6utmnnwsAwcA] RegistrationResponseHandler: controller acknowledged ControllerRegistrationRequest. (kafka.server.ControllerRegistrationManager) -- This message was sent by Atlassian Jira (v8.20.10#820010)