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Walker Carlson edited comment on KAFKA-13010 at 7/19/21, 10:07 PM: ------------------------------------------------------------------- I ran it for the commit before KIP-744 and it did fail. I am going to do a binary search from when the test was introduced to see where it started failing. EDIT: It looks like it always would fail eventually. I did find this i n the logs {code:java} java.nio.file.FileSystemException: /var/folders/55/w9205z6d7csbfby6mj1jpnx00000gp/T/kafka-6916100724973642606/TaskMetadataTest_TaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformation/0_0/.checkpoint: File name too longjava.nio.file.FileSystemException: /var/folders/55/w9205z6d7csbfby6mj1jpnx00000gp/T/kafka-6916100724973642606/TaskMetadataTest_TaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformationTaskMetadataIntegrationTestshouldReportCorrectCommittedOffsetInformation/0_0/.checkpoint: File name too long at sun.nio.fs.UnixException.translateToIOException(UnixException.java:91) at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102) at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107) at sun.nio.fs.UnixFileAttributeViews$Basic.readAttributes(UnixFileAttributeViews.java:55) at sun.nio.fs.UnixFileSystemProvider.readAttributes(UnixFileSystemProvider.java:144) at java.nio.file.Files.readAttributes(Files.java:1737) at java.nio.file.FileTreeWalker.getAttributes(FileTreeWalker.java:219) at java.nio.file.FileTreeWalker.visit(FileTreeWalker.java:276) at java.nio.file.FileTreeWalker.walk(FileTreeWalker.java:322) at java.nio.file.Files.walkFileTree(Files.java:2662) at java.nio.file.Files.walkFileTree(Files.java:2742) at org.apache.kafka.common.utils.Utils.delete(Utils.java:815) at org.apache.kafka.streams.state.internals.OffsetCheckpoint.write(OffsetCheckpoint.java:84) at org.apache.kafka.streams.processor.internals.ProcessorStateManager.checkpoint(ProcessorStateManager.java:604) at org.apache.kafka.streams.processor.internals.AbstractTask.maybeWriteCheckpoint(AbstractTask.java:96) at org.apache.kafka.streams.processor.internals.StreamTask.maybeWriteCheckpoint(StreamTask.java:585) at org.apache.kafka.streams.processor.internals.StreamTask.postCommit(StreamTask.java:489) at org.apache.kafka.streams.processor.internals.TaskManager.handleRevocation(TaskManager.java:563) at org.apache.kafka.streams.processor.internals.StreamsRebalanceListener.onPartitionsRevoked(StreamsRebalanceListener.java:95) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.invokePartitionsRevoked(ConsumerCoordinator.java:312) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.onJoinComplete(ConsumerCoordinator.java:407) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.joinGroupIfNeeded(AbstractCoordinator.java:449) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:365) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:508) at org.apache.kafka.clients.consumer.KafkaConsumer.updateAssignmentMetadataIfNeeded(KafkaConsumer.java:1262) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1231) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1211) at org.apache.kafka.streams.processor.internals.StreamThread.pollRequests(StreamThread.java:937) at org.apache.kafka.streams.processor.internals.StreamThread.pollPhase(StreamThread.java:890) at org.apache.kafka.streams.processor.internals.StreamThread.runOnce(StreamThread.java:725) at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:588) at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:560) {code} was (Author: wcarlson5): I ran it for the commit before KIP-744 and it did fail. I am going to do a binary search from when the test was introduced to see where it started failing. EDIT: It looks like it always would fail eventually > Flaky test > org.apache.kafka.streams.integration.TaskMetadataIntegrationTest.shouldReportCorrectCommittedOffsetInformation() > --------------------------------------------------------------------------------------------------------------------------- > > Key: KAFKA-13010 > URL: https://issues.apache.org/jira/browse/KAFKA-13010 > Project: Kafka > Issue Type: Bug > Components: streams > Reporter: Bruno Cadonna > Assignee: Walker Carlson > Priority: Major > Labels: flaky-test > Attachments: > TaskMetadataIntegrationTest#shouldReportCorrectEndOffsetInformation.rtf > > > Integration test {{test > org.apache.kafka.streams.integration.TaskMetadataIntegrationTest.shouldReportCorrectCommittedOffsetInformation()}} > sometimes fails with > {code:java} > java.lang.AssertionError: only one task > at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:26) > at > org.apache.kafka.streams.integration.TaskMetadataIntegrationTest.getTaskMetadata(TaskMetadataIntegrationTest.java:162) > at > org.apache.kafka.streams.integration.TaskMetadataIntegrationTest.shouldReportCorrectCommittedOffsetInformation(TaskMetadataIntegrationTest.java:117) > {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)