Sorry, apparently logs get formatted to unreadable state. Attached this time.
On Sunday, April 26, 2020, 01:35:38 PM GMT+2, Goran Sliskovic <gslis...@yahoo.com.invalid> wrote: Hi, I'm tracking an issue in production system (data flow stops suddenly for hours). That seems to bi triggered by network errors, however communication is not restored for hours event though networking is restored.I have managed to put test system in similar state. Symptoms: Client (java application) is apparently connected, goes through the infinite poll loop but no records are returned. I can see by sendq from netstat (and confirm with wireshark) that subscription data is coming through socket. netstat (windows, java client):netstat -n | findstr 9092 TCP 192.168.128.196:55759 192.168.128.89:9092 ESTABLISHED TCP 192.168.128.196:56069 192.168.128.89:9092 ESTABLISHED Linux ( kafka_2.12-2.5.0): netstat -n | grep 9092 | grep 196 tcp6 0 0 192.168.128.89:9092 192.168.128.196:55759 ESTABLISHEDtcp6 0 121040 192.168.128.89:9092 192.168.128.196:56069 ESTABLISHED Client logs: 2020-04-26 12:56:26,410 [Thread-0] ConsumerConfig : ConsumerConfig values: allow.auto.create.topics = true auto.commit.interval.ms = 1000 auto.offset.reset = earliest bootstrap.servers = [192.168.128.89:9092] check.crcs = true client.dns.lookup = default client.id = client.rack = connections.max.idle.ms = 540000 default.api.timeout.ms = 60000 enable.auto.commit = false exclude.internal.topics = true fetch.max.bytes = 52428800 fetch.max.wait.ms = 500 fetch.min.bytes = 1 group.id = test_dummy_group4 group.instance.id = null heartbeat.interval.ms = 3000 interceptor.classes = [] internal.leave.group.on.close = true isolation.level = read_uncommitted key.deserializer = class org.apache.kafka.common.serialization.StringDeserializer max.partition.fetch.bytes = 1048576 max.poll.interval.ms = 120000 max.poll.records = 1 metadata.max.age.ms = 300000 metric.reporters = [] metrics.num.samples = 2 metrics.recording.level = INFO metrics.sample.window.ms = 30000 partition.assignment.strategy = [class org.apache.kafka.clients.consumer.RangeAssignor] receive.buffer.bytes = 65536 reconnect.backoff.max.ms = 1000 reconnect.backoff.ms = 50 request.timeout.ms = 30000 retry.backoff.ms = 100 sasl.client.callback.handler.class = null sasl.jaas.config = null sasl.kerberos.kinit.cmd = /usr/bin/kinit sasl.kerberos.min.time.before.relogin = 60000 sasl.kerberos.service.name = null sasl.kerberos.ticket.renew.jitter = 0.05 sasl.kerberos.ticket.renew.window.factor = 0.8 sasl.login.callback.handler.class = null sasl.login.class = null sasl.login.refresh.buffer.seconds = 300 sasl.login.refresh.min.period.seconds = 60 sasl.login.refresh.window.factor = 0.8 sasl.login.refresh.window.jitter = 0.05 sasl.mechanism = GSSAPI security.protocol = PLAINTEXT security.providers = null send.buffer.bytes = 131072 session.timeout.ms = 30000 ssl.cipher.suites = null ssl.enabled.protocols = [TLSv1.2] ssl.endpoint.identification.algorithm = https ssl.key.password = null ssl.keymanager.algorithm = SunX509 ssl.keystore.location = null ssl.keystore.password = null ssl.keystore.type = JKS ssl.protocol = TLSv1.2 ssl.provider = null ssl.secure.random.implementation = null ssl.trustmanager.algorithm = PKIX ssl.truststore.location = null ssl.truststore.password = null ssl.truststore.type = JKS value.deserializer = class org.apache.kafka.common.serialization.ByteArrayDeserializer INFO 2020-04-26 12:56:27,158 [Thread-0] AppInfoParser : Kafka version: 2.5.0INFO 2020-04-26 12:56:27,158 [Thread-0] AppInfoParser : Kafka commitId: 66563e712b0b9f84INFO 2020-04-26 12:56:27,158 [Thread-0] AppInfoParser : Kafka startTimeMs: 1587898587150INFO 2020-04-26 12:56:27,160 [Thread-0] KafkaConsumer : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Subscribed to topic(s): KPITrafficVolume, KPIQueueLength, KPIWaitTime, KPIUnfinishedGreen, KPIWasteGreen, KPIPassThroughVehicles, KPIMaxWaitCycles, KPILoadRate, KPIGiveWayDelay, KPILevelOfService, KPIRedLightNegation, KPIGreenEndingTooSoon, KPICycleGreenTime, KPICycleRedTime, KPISpeed, KPISpecialSituationCount, KPICycleTime, KPIMaxCycleQueueLength, KPICycleWaitTime, KPICycleUnfinishedGreen, KPILevelOfServiceReport, TPMAlarm, TPMAlarmConfig, TPMAlarmCommand, TPMAlarmCommandResponse, TPMAlarmSynchronization, TPMNetworkConfig, TPMHeartbeatINFO 2020-04-26 12:56:27,626 [Thread-0] Metadata : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Cluster ID: 51Ki2MyAR6CybEEn1z4PHwINFO 2020-04-26 12:56:27,639 [Thread-0] AbstractCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Discovered group coordinator 192.168.128.89:9092 (id: 2147483647 rack: null)INFO 2020-04-26 12:56:27,640 [Thread-0] AbstractCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] (Re-)joining groupINFO 2020-04-26 12:56:27,804 [Thread-0] AbstractCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Join group failed with org.apache.kafka.common.errors.MemberIdRequiredException: The group member needs to have a valid member id before actually entering a consumer groupINFO 2020-04-26 12:56:27,804 [Thread-0] AbstractCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] (Re-)joining groupINFO 2020-04-26 12:56:27,873 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Finished assignment for group at generation 5: {consumer-test_dummy_group4-1-ff8f3b8c-f4bc-4997-bbcb-a4dfd559a06a=Assignment(partitions=[TPMAlarm-0, KPIQueueLength-0, KPILevelOfService-0, KPIUnfinishedGreen-0, TPMNetworkConfig-0, KPISpecialSituationCount-0, KPIPassThroughVehicles-0, KPIRedLightNegation-0, TPMAlarmCommandResponse-0, KPILoadRate-0, KPIMaxCycleQueueLength-0, KPITrafficVolume-0, KPIWasteGreen-0, KPISpeed-0, KPIGiveWayDelay-0, TPMHeartbeat-0, KPICycleWaitTime-0, TPMAlarmConfig-0, TPMAlarmCommand-0, KPICycleRedTime-0, KPIMaxWaitCycles-0, KPILevelOfServiceReport-0, KPICycleUnfinishedGreen-0, KPIWaitTime-0, KPICycleTime-0, KPIGreenEndingTooSoon-0, TPMAlarmSynchronization-0, KPICycleGreenTime-0])}INFO 2020-04-26 12:56:27,926 [Thread-0] AbstractCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Successfully joined group with generation 5INFO 2020-04-26 12:56:27,942 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Adding newly assigned partitions: KPILevelOfService-0, TPMAlarm-0, KPIUnfinishedGreen-0, KPIPassThroughVehicles-0, KPIQueueLength-0, KPISpecialSituationCount-0, KPIRedLightNegation-0, TPMAlarmCommandResponse-0, KPIMaxCycleQueueLength-0, KPILoadRate-0, KPITrafficVolume-0, KPIWasteGreen-0, KPIGiveWayDelay-0, KPISpeed-0, KPICycleTime-0, TPMHeartbeat-0, TPMAlarmConfig-0, KPICycleWaitTime-0, TPMAlarmCommand-0, KPIMaxWaitCycles-0, KPICycleRedTime-0, KPIWaitTime-0, KPICycleUnfinishedGreen-0, KPILevelOfServiceReport-0, KPIGreenEndingTooSoon-0, TPMNetworkConfig-0, KPICycleGreenTime-0, TPMAlarmSynchronization-0INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPILevelOfService-0 to the committed offset FetchPosition{offset=8, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition TPMAlarm-0 to the committed offset FetchPosition{offset=0, offsetEpoch=Optional.empty, currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIUnfinishedGreen-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIPassThroughVehicles-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIQueueLength-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPISpecialSituationCount-0 to the committed offset FetchPosition{offset=5, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIRedLightNegation-0 to the committed offset FetchPosition{offset=1, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition TPMAlarmCommandResponse-0 to the committed offset FetchPosition{offset=0, offsetEpoch=Optional.empty, currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIMaxCycleQueueLength-0 to the committed offset FetchPosition{offset=5, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPILoadRate-0 to the committed offset FetchPosition{offset=8, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPITrafficVolume-0 to the committed offset FetchPosition{offset=43, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIWasteGreen-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIGiveWayDelay-0 to the committed offset FetchPosition{offset=7, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPISpeed-0 to the committed offset FetchPosition{offset=1, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPICycleTime-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition TPMHeartbeat-0 to the committed offset FetchPosition{offset=0, offsetEpoch=Optional.empty, currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition TPMAlarmConfig-0 to the committed offset FetchPosition{offset=0, offsetEpoch=Optional.empty, currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPICycleWaitTime-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition TPMAlarmCommand-0 to the committed offset FetchPosition{offset=0, offsetEpoch=Optional.empty, currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPICycleRedTime-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIMaxWaitCycles-0 to the committed offset FetchPosition{offset=1, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIWaitTime-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPICycleUnfinishedGreen-0 to the committed offset FetchPosition{offset=1, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPILevelOfServiceReport-0 to the committed offset FetchPosition{offset=1, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIGreenEndingTooSoon-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition TPMNetworkConfig-0 to the committed offset FetchPosition{offset=0, offsetEpoch=Optional.empty, currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPICycleGreenTime-0 to the committed offset FetchPosition{offset=3, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition TPMAlarmSynchronization-0 to the committed offset FetchPosition{offset=0, offsetEpoch=Optional.empty, currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}}INFO 2020-04-26 12:56:59,264 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=2) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 12:57:29,878 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 12:58:00,781 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 12:58:30,944 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 12:59:01,509 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 12:59:32,158 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:00:02,940 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:00:33,508 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:01:04,086 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:01:34,841 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:02:05,616 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:02:36,232 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:03:07,138 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:03:37,947 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:04:08,490 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:04:39,245 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:05:09,890 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:05:40,522 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:06:11,086 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:06:41,660 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:07:12,240 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:07:42,903 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:08:13,478 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectExceptionINFO 2020-04-26 13:08:44,028 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}.org.apache.kafka.common.errors.DisconnectException Kafka server: [2020-04-26 12:53:53,593] INFO [GroupMetadataManager brokerId=0] Finished loading offsets and group metadata from __consumer_offsets-30 in 0 milliseconds. (kafka.coordinator.group.GroupMetadataManager)[2020-04-26 12:53:53,594] INFO [GroupMetadataManager brokerId=0] Finished loading offsets and group metadata from __consumer_offsets-36 in 0 milliseconds. (kafka.coordinator.group.GroupMetadataManager)[2020-04-26 12:53:53,595] INFO [GroupMetadataManager brokerId=0] Finished loading offsets and group metadata from __consumer_offsets-42 in 0 milliseconds. (kafka.coordinator.group.GroupMetadataManager)[2020-04-26 12:53:53,597] INFO [GroupMetadataManager brokerId=0] Finished loading offsets and group metadata from __consumer_offsets-48 in 0 milliseconds. (kafka.coordinator.group.GroupMetadataManager)[2020-04-26 12:53:54,032] INFO [GroupCoordinator 0]: Preparing to rebalance group test_dummy_group4 in state PreparingRebalance with old generation 0 (__consumer_offsets-37) (reason: Adding new member consumer-t_dummy_group4-1-5d76a410-77d6-474c-b28a-d015a522f254 with group instance id None) (kafka.coordinator.group.GroupCoordinator)[2020-04-26 12:53:54,056] INFO [GroupCoordinator 0]: Stabilized group test_dummy_group4 generation 1 (__consumer_offsets-37) (kafka.coordinator.group.GroupCoordinator)[2020-04-26 12:53:54,153] INFO [GroupCoordinator 0]: Assignment received from leader for group test_dummy_group4 for generation 1 (kafka.coordinator.group.GroupCoordinator)[2020-04-26 12:54:55,354] INFO [GroupCoordinator 0]: Member consumer-test_dummy_group4-1-5d76a410-77d6-474c-b28a-d015a522f254 in group test_dummy_group4 has failed, removing it from the group (kafka.coordinatoroup.GroupCoordinator)[2020-04-26 12:54:55,354] INFO [GroupCoordinator 0]: Preparing to rebalance group test_dummy_group4 in state PreparingRebalance with old generation 1 (__consumer_offsets-37) (reason: removing member consumer-tedummy_group4-1-5d76a410-77d6-474c-b28a-d015a522f254 on heartbeat expiration) (kafka.coordinator.group.GroupCoordinator)[2020-04-26 12:54:55,360] INFO [GroupCoordinator 0]: Group test_dummy_group4 with generation 2 is now empty (__consumer_offsets-37) (kafka.coordinator.group.GroupCoordinator)[2020-04-26 12:55:11,246] INFO [GroupCoordinator 0]: Preparing to rebalance group test_dummy_group4 in state PreparingRebalance with old generation 2 (__consumer_offsets-37) (reason: Adding new member consumer-t_dummy_group4-1-1be5963f-6545-48d5-a2ee-6860ce2177ec with group instance id None) (kafka.coordinator.group.GroupCoordinator)[2020-04-26 12:55:11,249] INFO [GroupCoordinator 0]: Stabilized group test_dummy_group4 generation 3 (__consumer_offsets-37) (kafka.coordinator.group.GroupCoordinator)[2020-04-26 12:55:11,331] INFO [GroupCoordinator 0]: Assignment received from leader for group test_dummy_group4 for generation 3 (kafka.coordinator.group.GroupCoordinator)[2020-04-26 12:55:49,411] INFO [GroupCoordinator 0]: Member consumer-test_dummy_group4-1-1be5963f-6545-48d5-a2ee-6860ce2177ec in group test_dummy_group4 has failed, removing it from the group (kafka.coordinatoroup.GroupCoordinator)[2020-04-26 12:55:49,411] INFO [GroupCoordinator 0]: Preparing to rebalance group test_dummy_group4 in state PreparingRebalance with old generation 3 (__consumer_offsets-37) (reason: removing member consumer-tedummy_group4-1-1be5963f-6545-48d5-a2ee-6860ce2177ec on heartbeat expiration) (kafka.coordinator.group.GroupCoordinator)[2020-04-26 12:55:49,411] INFO [GroupCoordinator 0]: Group test_dummy_group4 with generation 4 is now empty (__consumer_offsets-37) (kafka.coordinator.group.GroupCoordinator)[2020-04-26 12:56:27,302] INFO [GroupCoordinator 0]: Preparing to rebalance group test_dummy_group4 in state PreparingRebalance with old generation 4 (__consumer_offsets-37) (reason: Adding new member consumer-t_dummy_group4-1-ff8f3b8c-f4bc-4997-bbcb-a4dfd559a06a with group instance id None) (kafka.coordinator.group.GroupCoordinator)[2020-04-26 12:56:27,305] INFO [GroupCoordinator 0]: Stabilized group test_dummy_group4 generation 5 (__consumer_offsets-37) (kafka.coordinator.group.GroupCoordinator)[2020-04-26 12:56:27,368] INFO [GroupCoordinator 0]: Assignment received from leader for group test_dummy_group4 for generation 5 (kafka.coordinator.group.GroupCoordinator)[2020-04-26 13:03:48,252] INFO [GroupMetadataManager brokerId=0] Removed 0 expired offsets in 10 milliseconds. (kafka.coordinator.group.GroupMetadataManager)[2020-04-26 13:13:48,243] INFO [GroupMetadataManager brokerId=0] Removed 0 expired offsets in 0 milliseconds. (kafka.coordinator.group.GroupMetadataManager)[2020-04-26 13:23:48,242] INFO [GroupMetadataManager brokerId=0] Removed 0 expired offsets in 0 milliseconds. (kafka.coordinator.group.GroupMetadataManager) Consumer status: kafka_2.12-2.5.0/bin$ ./kafka-consumer-groups.sh --bootstrap-server localhost:9092 --group test_dummy_group4 --describe GROUP TOPIC PARTITION CURRENT-OFFSET LOG-END-OFFSET LAG CONSUMER-ID HOST CLIENT-IDtest_dummy_group4 KPILevelOfService 0 8 734 726 consumer-test_dummy_group4-1-ff8f3b8c-f4bc-4997-bbcb-a4dfd559a06a /192.168.128.196 consumer-test_dummy_grouptest_dummy_group4 KPIWaitTime 0 4 550 546 consumer-test_dummy_group4-1-ff8f3b8c-f4bc-4997-bbcb-a4dfd559a06a /192.168.128.196 consumer-test_dummy_grouptest_dummy_group4 KPICycleTime 0 4 652 648 consumer-test_dummy_group4-1-ff8f3b8c-f4bc-4997-bbcb-a4dfd559a06a /192.168.128.196 consumer-test_dummy_grouptest_dummy_group4 TPMAlarmCommandResponse 0 0 0 0 consumer-test_dummy_group4-1-ff8f3b8c-f4bc-4997-bbcb-a4dfd559a06a /192.168.128.196 consumer-test_dummy_grouptest_dummy_group4 KPIGreenEndingTooSoon 0 4 546 542 consumer-test_dummy_group4-1-ff8f3b8c-f4bc-4997-bbcb-a4dfd559a06a /192.168.128.196 consumer-test_dummy_grouptest_dummy_group4 TPMAlarmSynchronization 0 0 0 0 consumer-test_dummy_group4-1-ff8f3b8c-f4bc-4997-bbcb-a4dfd559a06a /192.168.128.196 consumer-test_dummy_grouptest_dummy_group4 KPIRedLightNegation 0 1 772 771 consumer-test_dummy_group4-1-ff8f3b8c-f4bc-4997-bbcb-a4dfd559a06a /192.168.128.196 consumer-test_dummy_group... (shortened, all topics show similar pattern, lag) Any info is welcome, I'm pretty stuck. Regards,Goran
Client log: INFO 2020-04-26 12:56:26,410 [Thread-0] ConsumerConfig : ConsumerConfig values: allow.auto.create.topics = true auto.commit.interval.ms = 1000 auto.offset.reset = earliest bootstrap.servers = [192.168.128.89:9092] check.crcs = true client.dns.lookup = default client.id = client.rack = connections.max.idle.ms = 540000 default.api.timeout.ms = 60000 enable.auto.commit = false exclude.internal.topics = true fetch.max.bytes = 52428800 fetch.max.wait.ms = 500 fetch.min.bytes = 1 group.id = test_dummy_group4 group.instance.id = null heartbeat.interval.ms = 3000 interceptor.classes = [] internal.leave.group.on.close = true isolation.level = read_uncommitted key.deserializer = class org.apache.kafka.common.serialization.StringDeserializer max.partition.fetch.bytes = 1048576 max.poll.interval.ms = 120000 max.poll.records = 1 metadata.max.age.ms = 300000 metric.reporters = [] metrics.num.samples = 2 metrics.recording.level = INFO metrics.sample.window.ms = 30000 partition.assignment.strategy = [class org.apache.kafka.clients.consumer.RangeAssignor] receive.buffer.bytes = 65536 reconnect.backoff.max.ms = 1000 reconnect.backoff.ms = 50 request.timeout.ms = 30000 retry.backoff.ms = 100 sasl.client.callback.handler.class = null sasl.jaas.config = null sasl.kerberos.kinit.cmd = /usr/bin/kinit sasl.kerberos.min.time.before.relogin = 60000 sasl.kerberos.service.name = null sasl.kerberos.ticket.renew.jitter = 0.05 sasl.kerberos.ticket.renew.window.factor = 0.8 sasl.login.callback.handler.class = null sasl.login.class = null sasl.login.refresh.buffer.seconds = 300 sasl.login.refresh.min.period.seconds = 60 sasl.login.refresh.window.factor = 0.8 sasl.login.refresh.window.jitter = 0.05 sasl.mechanism = GSSAPI security.protocol = PLAINTEXT security.providers = null send.buffer.bytes = 131072 session.timeout.ms = 30000 ssl.cipher.suites = null ssl.enabled.protocols = [TLSv1.2] ssl.endpoint.identification.algorithm = https ssl.key.password = null ssl.keymanager.algorithm = SunX509 ssl.keystore.location = null ssl.keystore.password = null ssl.keystore.type = JKS ssl.protocol = TLSv1.2 ssl.provider = null ssl.secure.random.implementation = null ssl.trustmanager.algorithm = PKIX ssl.truststore.location = null ssl.truststore.password = null ssl.truststore.type = JKS value.deserializer = class org.apache.kafka.common.serialization.ByteArrayDeserializer INFO 2020-04-26 12:56:27,158 [Thread-0] AppInfoParser : Kafka version: 2.5.0 INFO 2020-04-26 12:56:27,158 [Thread-0] AppInfoParser : Kafka commitId: 66563e712b0b9f84 INFO 2020-04-26 12:56:27,158 [Thread-0] AppInfoParser : Kafka startTimeMs: 1587898587150 INFO 2020-04-26 12:56:27,160 [Thread-0] KafkaConsumer : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Subscribed to topic(s): KPITrafficVolume, KPIQueueLength, KPIWaitTime, KPIUnfinishedGreen, KPIWasteGreen, KPIPassThroughVehicles, KPIMaxWaitCycles, KPILoadRate, KPIGiveWayDelay, KPILevelOfService, KPIRedLightNegation, KPIGreenEndingTooSoon, KPICycleGreenTime, KPICycleRedTime, KPISpeed, KPISpecialSituationCount, KPICycleTime, KPIMaxCycleQueueLength, KPICycleWaitTime, KPICycleUnfinishedGreen, KPILevelOfServiceReport, TPMAlarm, TPMAlarmConfig, TPMAlarmCommand, TPMAlarmCommandResponse, TPMAlarmSynchronization, TPMNetworkConfig, TPMHeartbeat INFO 2020-04-26 12:56:27,626 [Thread-0] Metadata : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Cluster ID: 51Ki2MyAR6CybEEn1z4PHw INFO 2020-04-26 12:56:27,639 [Thread-0] AbstractCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Discovered group coordinator 192.168.128.89:9092 (id: 2147483647 rack: null) INFO 2020-04-26 12:56:27,640 [Thread-0] AbstractCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] (Re-)joining group INFO 2020-04-26 12:56:27,804 [Thread-0] AbstractCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Join group failed with org.apache.kafka.common.errors.MemberIdRequiredException: The group member needs to have a valid member id before actually entering a consumer group INFO 2020-04-26 12:56:27,804 [Thread-0] AbstractCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] (Re-)joining group INFO 2020-04-26 12:56:27,873 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Finished assignment for group at generation 5: {consumer-test_dummy_group4-1-ff8f3b8c-f4bc-4997-bbcb-a4dfd559a06a=Assignment(partitions=[TPMAlarm-0, KPIQueueLength-0, KPILevelOfService-0, KPIUnfinishedGreen-0, TPMNetworkConfig-0, KPISpecialSituationCount-0, KPIPassThroughVehicles-0, KPIRedLightNegation-0, TPMAlarmCommandResponse-0, KPILoadRate-0, KPIMaxCycleQueueLength-0, KPITrafficVolume-0, KPIWasteGreen-0, KPISpeed-0, KPIGiveWayDelay-0, TPMHeartbeat-0, KPICycleWaitTime-0, TPMAlarmConfig-0, TPMAlarmCommand-0, KPICycleRedTime-0, KPIMaxWaitCycles-0, KPILevelOfServiceReport-0, KPICycleUnfinishedGreen-0, KPIWaitTime-0, KPICycleTime-0, KPIGreenEndingTooSoon-0, TPMAlarmSynchronization-0, KPICycleGreenTime-0])} INFO 2020-04-26 12:56:27,926 [Thread-0] AbstractCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Successfully joined group with generation 5 INFO 2020-04-26 12:56:27,942 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Adding newly assigned partitions: KPILevelOfService-0, TPMAlarm-0, KPIUnfinishedGreen-0, KPIPassThroughVehicles-0, KPIQueueLength-0, KPISpecialSituationCount-0, KPIRedLightNegation-0, TPMAlarmCommandResponse-0, KPIMaxCycleQueueLength-0, KPILoadRate-0, KPITrafficVolume-0, KPIWasteGreen-0, KPIGiveWayDelay-0, KPISpeed-0, KPICycleTime-0, TPMHeartbeat-0, TPMAlarmConfig-0, KPICycleWaitTime-0, TPMAlarmCommand-0, KPIMaxWaitCycles-0, KPICycleRedTime-0, KPIWaitTime-0, KPICycleUnfinishedGreen-0, KPILevelOfServiceReport-0, KPIGreenEndingTooSoon-0, TPMNetworkConfig-0, KPICycleGreenTime-0, TPMAlarmSynchronization-0 INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPILevelOfService-0 to the committed offset FetchPosition{offset=8, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition TPMAlarm-0 to the committed offset FetchPosition{offset=0, offsetEpoch=Optional.empty, currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIUnfinishedGreen-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIPassThroughVehicles-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIQueueLength-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPISpecialSituationCount-0 to the committed offset FetchPosition{offset=5, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIRedLightNegation-0 to the committed offset FetchPosition{offset=1, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition TPMAlarmCommandResponse-0 to the committed offset FetchPosition{offset=0, offsetEpoch=Optional.empty, currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIMaxCycleQueueLength-0 to the committed offset FetchPosition{offset=5, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPILoadRate-0 to the committed offset FetchPosition{offset=8, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPITrafficVolume-0 to the committed offset FetchPosition{offset=43, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIWasteGreen-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIGiveWayDelay-0 to the committed offset FetchPosition{offset=7, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPISpeed-0 to the committed offset FetchPosition{offset=1, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPICycleTime-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition TPMHeartbeat-0 to the committed offset FetchPosition{offset=0, offsetEpoch=Optional.empty, currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition TPMAlarmConfig-0 to the committed offset FetchPosition{offset=0, offsetEpoch=Optional.empty, currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPICycleWaitTime-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition TPMAlarmCommand-0 to the committed offset FetchPosition{offset=0, offsetEpoch=Optional.empty, currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPICycleRedTime-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIMaxWaitCycles-0 to the committed offset FetchPosition{offset=1, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIWaitTime-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPICycleUnfinishedGreen-0 to the committed offset FetchPosition{offset=1, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPILevelOfServiceReport-0 to the committed offset FetchPosition{offset=1, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPIGreenEndingTooSoon-0 to the committed offset FetchPosition{offset=4, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition TPMNetworkConfig-0 to the committed offset FetchPosition{offset=0, offsetEpoch=Optional.empty, currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition KPICycleGreenTime-0 to the committed offset FetchPosition{offset=3, offsetEpoch=Optional[0], currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:28,011 [Thread-0] ConsumerCoordinator : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Setting offset for partition TPMAlarmSynchronization-0 to the committed offset FetchPosition{offset=0, offsetEpoch=Optional.empty, currentLeader=LeaderAndEpoch{leader=Optional[192.168.128.89:9092 (id: 0 rack: null)], epoch=0}} INFO 2020-04-26 12:56:59,264 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=2) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 12:57:29,878 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 12:58:00,781 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 12:58:30,944 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 12:59:01,509 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 12:59:32,158 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:00:02,940 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:00:33,508 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:01:04,086 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:01:34,841 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:02:05,616 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:02:36,232 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:03:07,138 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:03:37,947 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:04:08,490 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:04:39,245 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:05:09,890 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:05:40,522 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:06:11,086 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:06:41,660 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:07:12,240 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:07:42,903 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:08:13,478 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException INFO 2020-04-26 13:08:44,028 [Thread-0] FetchSessionHandler : [Consumer clientId=consumer-test_dummy_group4-1, groupId=test_dummy_group4] Error sending fetch request (sessionId=1171785342, epoch=INITIAL) to node 0: {}. org.apache.kafka.common.errors.DisconnectException Server logs: [2020-04-26 12:53:53,570] INFO [GroupMetadataManager brokerId=0] Finished loading offsets and group metadata from __consumer_offsets-6 in 0 milliseconds. (kafka.coordinator.group.GroupMetadataManager) [2020-04-26 12:53:53,571] INFO [GroupMetadataManager brokerId=0] Finished loading offsets and group metadata from __consumer_offsets-12 in 1 milliseconds. (kafka.coordinator.group.GroupMetadataManager) [2020-04-26 12:53:53,572] INFO [GroupMetadataManager brokerId=0] Finished loading offsets and group metadata from __consumer_offsets-18 in 1 milliseconds. (kafka.coordinator.group.GroupMetadataManager) [2020-04-26 12:53:53,572] INFO [GroupMetadataManager brokerId=0] Finished loading offsets and group metadata from __consumer_offsets-24 in 0 milliseconds. (kafka.coordinator.group.GroupMetadataManager) [2020-04-26 12:53:53,593] INFO [GroupMetadataManager brokerId=0] Finished loading offsets and group metadata from __consumer_offsets-30 in 0 milliseconds. (kafka.coordinator.group.GroupMetadataManager) [2020-04-26 12:53:53,594] INFO [GroupMetadataManager brokerId=0] Finished loading offsets and group metadata from __consumer_offsets-36 in 0 milliseconds. (kafka.coordinator.group.GroupMetadataManager) [2020-04-26 12:53:53,595] INFO [GroupMetadataManager brokerId=0] Finished loading offsets and group metadata from __consumer_offsets-42 in 0 milliseconds. (kafka.coordinator.group.GroupMetadataManager) [2020-04-26 12:53:53,597] INFO [GroupMetadataManager brokerId=0] Finished loading offsets and group metadata from __consumer_offsets-48 in 0 milliseconds. (kafka.coordinator.group.GroupMetadataManager) [2020-04-26 12:53:54,032] INFO [GroupCoordinator 0]: Preparing to rebalance group test_dummy_group4 in state PreparingRebalance with old generation 0 (__consumer_offsets-37) (reason: Adding new member consumer-test_dummy_group4-1-5d76a410-77d6-474c-b28a-d015a522f254 with group instance id None) (kafka.coordinator.group.GroupCoordinator) [2020-04-26 12:53:54,056] INFO [GroupCoordinator 0]: Stabilized group test_dummy_group4 generation 1 (__consumer_offsets-37) (kafka.coordinator.group.GroupCoordinator) [2020-04-26 12:53:54,153] INFO [GroupCoordinator 0]: Assignment received from leader for group test_dummy_group4 for generation 1 (kafka.coordinator.group.GroupCoordinator) [2020-04-26 12:54:55,354] INFO [GroupCoordinator 0]: Member consumer-test_dummy_group4-1-5d76a410-77d6-474c-b28a-d015a522f254 in group test_dummy_group4 has failed, removing it from the group (kafka.coordinator.group.GroupCoordinator) [2020-04-26 12:54:55,354] INFO [GroupCoordinator 0]: Preparing to rebalance group test_dummy_group4 in state PreparingRebalance with old generation 1 (__consumer_offsets-37) (reason: removing member consumer-test_dummy_group4-1-5d76a410-77d6-474c-b28a-d015a522f254 on heartbeat expiration) (kafka.coordinator.group.GroupCoordinator) [2020-04-26 12:54:55,360] INFO [GroupCoordinator 0]: Group test_dummy_group4 with generation 2 is now empty (__consumer_offsets-37) (kafka.coordinator.group.GroupCoordinator) [2020-04-26 12:55:11,246] INFO [GroupCoordinator 0]: Preparing to rebalance group test_dummy_group4 in state PreparingRebalance with old generation 2 (__consumer_offsets-37) (reason: Adding new member consumer-test_dummy_group4-1-1be5963f-6545-48d5-a2ee-6860ce2177ec with group instance id None) (kafka.coordinator.group.GroupCoordinator) [2020-04-26 12:55:11,249] INFO [GroupCoordinator 0]: Stabilized group test_dummy_group4 generation 3 (__consumer_offsets-37) (kafka.coordinator.group.GroupCoordinator) [2020-04-26 12:55:11,331] INFO [GroupCoordinator 0]: Assignment received from leader for group test_dummy_group4 for generation 3 (kafka.coordinator.group.GroupCoordinator) [2020-04-26 12:55:49,411] INFO [GroupCoordinator 0]: Member consumer-test_dummy_group4-1-1be5963f-6545-48d5-a2ee-6860ce2177ec in group test_dummy_group4 has failed, removing it from the group (kafka.coordinator.group.GroupCoordinator) [2020-04-26 12:55:49,411] INFO [GroupCoordinator 0]: Preparing to rebalance group test_dummy_group4 in state PreparingRebalance with old generation 3 (__consumer_offsets-37) (reason: removing member consumer-test_dummy_group4-1-1be5963f-6545-48d5-a2ee-6860ce2177ec on heartbeat expiration) (kafka.coordinator.group.GroupCoordinator) [2020-04-26 12:55:49,411] INFO [GroupCoordinator 0]: Group test_dummy_group4 with generation 4 is now empty (__consumer_offsets-37) (kafka.coordinator.group.GroupCoordinator) [2020-04-26 12:56:27,302] INFO [GroupCoordinator 0]: Preparing to rebalance group test_dummy_group4 in state PreparingRebalance with old generation 4 (__consumer_offsets-37) (reason: Adding new member consumer-test_dummy_group4-1-ff8f3b8c-f4bc-4997-bbcb-a4dfd559a06a with group instance id None) (kafka.coordinator.group.GroupCoordinator) [2020-04-26 12:56:27,305] INFO [GroupCoordinator 0]: Stabilized group test_dummy_group4 generation 5 (__consumer_offsets-37) (kafka.coordinator.group.GroupCoordinator) [2020-04-26 12:56:27,368] INFO [GroupCoordinator 0]: Assignment received from leader for group test_dummy_group4 for generation 5 (kafka.coordinator.group.GroupCoordinator) [2020-04-26 13:03:48,252] INFO [GroupMetadataManager brokerId=0] Removed 0 expired offsets in 10 milliseconds. (kafka.coordinator.group.GroupMetadataManager) server netstat ~/kafka_2.12-2.5.0/bin$ netstat -n | grep 9092 | grep 196 tcp6 0 186320 192.168.128.89:9092 192.168.128.196:55847 ESTABLISHED tcp6 0 0 192.168.128.89:9092 192.168.128.196:55759 ESTABLISHED client: netstat -n | findstr 9092 TCP 192.168.128.196:55759 192.168.128.89:9092 ESTABLISHED TCP 192.168.128.196:56069 192.168.128.89:9092 ESTABLISHED