Hello, for some time I had received the following ...
# troubleshootb
breezy-portugal-43538
04/06/2022, 12:20 PMHello, for some time I had received the following error with MySQL bad handshake, should I be concerned about it, where does it come from?
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broker | [2022-04-06 12:11:25,098] INFO [Controller id=1] Processing automatic preferred replica leader election (kafka.controller.KafkaController)
broker | [2022-04-06 12:11:25,099] TRACE [Controller id=1] Checking need to trigger auto leader balancing (kafka.controller.KafkaController)
broker | [2022-04-06 12:11:25,101] DEBUG [Controller id=1] Preferred replicas by broker Map(1 -> Map(__consumer_offsets-22 -> Vector(1), __consumer_offsets-30 -> Vector(1), __consumer_offsets-8 -> Vector(1), __consumer_offsets-21 -> Vector(1), __consumer_offsets-4 -> Vector(1), __consumer_offsets-27 -> Vector(1), __consumer_offsets-7 -> Vector(1), __consumer_offsets-9 -> Vector(1), __consumer_offsets-46 -> Vector(1), __consumer_offsets-25 -> Vector(1), __consumer_offsets-35 -> Vector(1), __consumer_offsets-41 -> Vector(1), __consumer_offsets-33 -> Vector(1), __consumer_offsets-23 -> Vector(1), __consumer_offsets-49 -> Vector(1), _schemas-0 -> Vector(1), MetadataChangeEvent_v4-0 -> Vector(1), __consumer_offsets-47 -> Vector(1), MetadataChangeLog_Timeseries_v1-0 -> Vector(1), __consumer_offsets-16 -> Vector(1), __consumer_offsets-28 -> Vector(1), __consumer_offsets-31 -> Vector(1), __consumer_offsets-36 -> Vector(1), __consumer_offsets-42 -> Vector(1), __consumer_offsets-3 -> Vector(1), __consumer_offsets-18 -> Vector(1), __consumer_offsets-37 -> Vector(1), __consumer_offsets-15 -> Vector(1), __consumer_offsets-24 -> Vector(1), MetadataChangeProposal_v1-0 -> Vector(1), DataHubUsageEvent_v1-0 -> Vector(1), __consumer_offsets-38 -> Vector(1), __consumer_offsets-17 -> Vector(1), __consumer_offsets-48 -> Vector(1), __confluent.support.metrics-0 -> Vector(1), __consumer_offsets-19 -> Vector(1), __consumer_offsets-11 -> Vector(1), FailedMetadataChangeEvent_v4-0 -> Vector(1), __consumer_offsets-13 -> Vector(1), __consumer_offsets-2 -> Vector(1), __consumer_offsets-43 -> Vector(1), __consumer_offsets-6 -> Vector(1), __consumer_offsets-14 -> Vector(1), MetadataAuditEvent_v4-0 -> Vector(1), FailedMetadataChangeProposal_v1-0 -> Vector(1), MetadataChangeLog_Versioned_v1-0 -> Vector(1), __consumer_offsets-20 -> Vector(1), __consumer_offsets-0 -> Vector(1), __consumer_offsets-44 -> Vector(1), __consumer_offsets-39 -> Vector(1), __consumer_offsets-12 -> Vector(1), __consumer_offsets-45 -> Vector(1), __consumer_offsets-1 -> Vector(1), __consumer_offsets-5 -> Vector(1), __consumer_offsets-26 -> Vector(1), __consumer_offsets-29 -> Vector(1), __consumer_offsets-34 -> Vector(1), __consumer_offsets-10 -> Vector(1), __consumer_offsets-32 -> Vector(1), __consumer_offsets-40 -> Vector(1))) (kafka.controller.KafkaController)
broker | [2022-04-06 12:11:25,102] DEBUG [Controller id=1] Topics not in preferred replica for broker 1 Map() (kafka.controller.KafkaController)
broker | [2022-04-06 12:11:25,102] TRACE [Controller id=1] Leader imbalance ratio for broker 1 is 0.0 (kafka.controller.KafkaController)
mysql | 2022-04-06T12:13:06.251636Z 33 [Note] Bad handshake
mysql | 2022-04-06T12:15:06.251404Z 35 [Note] Bad handshakebreezy-portugal-43538
04/06/2022, 2:43 PMAlso one more thing, after doing the nuke I receive strange warnings listed on the image below, could you help explaining where do they come from? Could they cause any problems?
d
dazzling-judge-80093
04/07/2022, 4:45 PM@early-lamp-41924 do you have some idea why this is happening?
e
early-lamp-41924
04/07/2022, 4:56 PMI am not sure why it checks for it after removing it, but they all look fine to me
early-lamp-41924
04/07/2022, 4:57 PMYou can also ignore the bad handshake msgs.
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