[jira] [Created] (KAFKA-8933) An unhandled SSL handshake exception in polling event - needed a retry logic

["Remigius (Jira)" <ji...@apache.org>]

Remigius created KAFKA-8933:
-------------------------------

             Summary: An unhandled SSL handshake exception in polling event - needed a retry logic
                 Key: KAFKA-8933
                 URL: https://issues.apache.org/jira/browse/KAFKA-8933
             Project: Kafka
          Issue Type: Wish
          Components: clients
    Affects Versions: 2.2.1
         Environment: software platform
            Reporter: Remigius


Already client is connected and during polling event, SSL handshake failure happened. it led to leaving the co-ordinator. Even on SSL handshake failure which was actually intermittent issue, polling should have some resilient and retry the polling. Leaving group caused all instances of clients to drop and left the messages in Kafka for long time until re-subscribe the kafka topic manually.

 

 
{noformat}
2019-09-06 04:03:09,016 ERROR [reactive-kafka-xxxx] org.apache.kafka.clients.NetworkClient [Consumer clientId=aaa, groupId=bbb] Connection to node 150 (host:port) failed authentication due to: SSL handshake failed
2019-09-06 04:03:09,021 ERROR [reactive-kafka-xxxx]  reactor.kafka.receiver.internals.DefaultKafkaReceiver Unexpected exception
java.lang.NullPointerException: null
 at org.apache.kafka.clients.NetworkClient$DefaultMetadataUpdater.handleCompletedMetadataResponse(NetworkClient.java:1012) ~[kafka-clients-2.2.1.jar!/:?]
 at org.apache.kafka.clients.NetworkClient.handleCompletedReceives(NetworkClient.java:822) ~[kafka-clients-2.2.1.jar!/:?]
 at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:544) ~[kafka-clients-2.2.1.jar!/:?]
 at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:265) ~[kafka-clients-2.2.1.jar!/:?]
 at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:236) ~[kafka-clients-2.2.1.jar!/:?]
 at org.apache.kafka.clients.consumer.KafkaConsumer.pollForFetches(KafkaConsumer.java:1256) ~[kafka-clients-2.2.1.jar!/:?]
 at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1200) ~[kafka-clients-2.2.1.jar!/:?]
 at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1176) ~[kafka-clients-2.2.1.jar!/:?]
 at reactor.kafka.receiver.internals.DefaultKafkaReceiver$PollEvent.run(DefaultKafkaReceiver.java:470) ~[reactor-kafka-1.1.1.RELEASE.jar!/:1.1.1.RELEASE]
 at reactor.kafka.receiver.internals.DefaultKafkaReceiver.doEvent(DefaultKafkaReceiver.java:401) ~[reactor-kafka-1.1.1.RELEASE.jar!/:1.1.1.RELEASE]
 at reactor.kafka.receiver.internals.DefaultKafkaReceiver.lambda$start$14(DefaultKafkaReceiver.java:335) ~[reactor-kafka-1.1.1.RELEASE.jar!/:1.1.1.RELEASE]
 at reactor.core.publisher.LambdaSubscriber.onNext(LambdaSubscriber.java:130) ~[reactor-core-3.2.10.RELEASE.jar!/:3.2.10.RELEASE]
 at reactor.core.publisher.FluxPublishOn$PublishOnSubscriber.runAsync(FluxPublishOn.java:398) ~[reactor-core-3.2.10.RELEASE.jar!/:3.2.10.RELEASE]
 at reactor.core.publisher.FluxPublishOn$PublishOnSubscriber.run(FluxPublishOn.java:484) ~[reactor-core-3.2.10.RELEASE.jar!/:3.2.10.RELEASE]
 at reactor.kafka.receiver.internals.KafkaSchedulers$EventScheduler.lambda$decorate$1(KafkaSchedulers.java:100) ~[reactor-kafka-1.1.1.RELEASE.jar!/:1.1.1.RELEASE]
 at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:84) ~[reactor-core-3.2.10.RELEASE.jar!/:3.2.10.RELEASE]
 at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:37) ~[reactor-core-3.2.10.RELEASE.jar!/:3.2.10.RELEASE]
 at org.springframework.cloud.sleuth.instrument.async.TraceCallable.call(TraceCallable.java:70) ~[spring-cloud-sleuth-core-2.1.1.RELEASE.jar!/:2.1.1.RELEASE]
 at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?]
 at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[?:?]
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?]
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?]
 at java.lang.Thread.run(Thread.java:834) [?:?]

2019-09-06 04:03:09,023 INFO  [reactive-kafka-xxxx] org.apache.kafka.clients.consumer.internals.AbstractCoordinator [Consumer clientId=aaa, groupId=bbb] Member x_13-081e61ec-1509-4e0e-819e-58063d1ce8f6 sending LeaveGroup request to coordinator{noformat}
 



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