[KAFKA-10191] fix flaky StreamsOptimizedTest

• Type: Test
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.7.0
• Component/s: streams, unit tests
• Assignee: Chia-Ping Tsai
• Reporter: Chia-Ping Tsai
• Created: 22/Jun/20 07:56
• Updated: 22/Jul/20 20:51
• Resolved: 07/Jul/20 18:20

Description

Exception in thread "StreamsOptimizedTest-53c7d3b1-12b2-4d02-90b1-15757dfd2735-StreamThread-1" java.lang.IllegalStateException: Tried to lookup lag for unknown task 2_0Exception in thread "StreamsOptimizedTest-53c7d3b1-12b2-4d02-90b1-15757dfd2735-StreamThread-1" java.lang.IllegalStateException: Tried to lookup lag for unknown task 2_0 at org.apache.kafka.streams.processor.internals.assignment.ClientState.lagFor(ClientState.java:306) at java.util.Comparator.lambda$comparingLong$6043328a$1(Comparator.java:511) at java.util.Comparator.lambda$thenComparing$36697e65$1(Comparator.java:216) at java.util.TreeMap.put(TreeMap.java:552) at java.util.TreeSet.add(TreeSet.java:255) at java.util.AbstractCollection.addAll(AbstractCollection.java:344) at java.util.TreeSet.addAll(TreeSet.java:312) at org.apache.kafka.streams.processor.internals.StreamsPartitionAssignor.getPreviousTasksByLag(StreamsPartitionAssignor.java:1250) at org.apache.kafka.streams.processor.internals.StreamsPartitionAssignor.assignTasksToThreads(StreamsPartitionAssignor.java:1164) at org.apache.kafka.streams.processor.internals.StreamsPartitionAssignor.computeNewAssignment(StreamsPartitionAssignor.java:920) at org.apache.kafka.streams.processor.internals.StreamsPartitionAssignor.assign(StreamsPartitionAssignor.java:391) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.performAssignment(ConsumerCoordinator.java:583) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.onJoinLeader(AbstractCoordinator.java:689) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.access$1400(AbstractCoordinator.java:111) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$JoinGroupResponseHandler.handle(AbstractCoordinator.java:602) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$JoinGroupResponseHandler.handle(AbstractCoordinator.java:575) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$CoordinatorResponseHandler.onSuccess(AbstractCoordinator.java:1132) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$CoordinatorResponseHandler.onSuccess(AbstractCoordinator.java:1107) at org.apache.kafka.clients.consumer.internals.RequestFuture$1.onSuccess(RequestFuture.java:206) at org.apache.kafka.clients.consumer.internals.RequestFuture.fireSuccess(RequestFuture.java:169) at org.apache.kafka.clients.consumer.internals.RequestFuture.complete(RequestFuture.java:129) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient$RequestFutureCompletionHandler.fireCompletion(ConsumerNetworkClient.java:602) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.firePendingCompletedRequests(ConsumerNetworkClient.java:412) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:297) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:236) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:215) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.joinGroupIfNeeded(AbstractCoordinator.java:419) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:359) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:506) at org.apache.kafka.clients.consumer.KafkaConsumer.updateAssignmentMetadataIfNeeded(KafkaConsumer.java:1263) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1229) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1204) at org.apache.kafka.streams.processor.internals.StreamThread.pollRequests(StreamThread.java:762) at org.apache.kafka.streams.processor.internals.StreamThread.runOnce(StreamThread.java:622) at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:549) at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:508)

 

this issue may be related to https://github.com/apache/kafka/commit/0f68dc7a640b26a8edea154ea4ea2b6d93b5104b since the test passes If  the commit is reverted

Issue Links

• relates to: KAFKA-10194 run the reset tool between stopping StreamsOptimizedTest and starting the new one
• links to: GitHub Pull Request #8913
• links to: GitHub Pull Request #9053