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Guozhang Wang commented on KAFKA-6137: -------------------------------------- This seems be caused by this: {code} Standard Error Exception in thread "restore-test-b1ec6d17-cabc-4e1f-b02e-e116d8f654dc-StreamThread-166" org.apache.kafka.streams.errors.StreamsException: stream-thread [restore-test-b1ec6d17-cabc-4e1f-b02e-e116d8f654dc-StreamThread-166] Failed to rebalance. at org.apache.kafka.streams.processor.internals.StreamThread.pollRequests(StreamThread.java:860) at org.apache.kafka.streams.processor.internals.StreamThread.runOnce(StreamThread.java:808) at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:774) at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:744) Caused by: org.apache.kafka.streams.errors.ProcessorStateException: task directory [/tmp/restore-test6134854033128612495/restore-test/0_0] doesn't exist and couldn't be created at org.apache.kafka.streams.processor.internals.StateDirectory.directoryForTask(StateDirectory.java:93) at org.apache.kafka.streams.processor.internals.ProcessorStateManager.<init>(ProcessorStateManager.java:95) at org.apache.kafka.streams.processor.internals.AbstractTask.<init>(AbstractTask.java:85) at org.apache.kafka.streams.processor.internals.StreamTask.<init>(StreamTask.java:117) at org.apache.kafka.streams.processor.internals.StreamThread$TaskCreator.createTask(StreamThread.java:404) at org.apache.kafka.streams.processor.internals.StreamThread$TaskCreator.createTask(StreamThread.java:365) at org.apache.kafka.streams.processor.internals.StreamThread$AbstractTaskCreator.createTasks(StreamThread.java:350) at org.apache.kafka.streams.processor.internals.TaskManager.addStreamTasks(TaskManager.java:137) at org.apache.kafka.streams.processor.internals.TaskManager.createTasks(TaskManager.java:88) at org.apache.kafka.streams.processor.internals.StreamThread$RebalanceListener.onPartitionsAssigned(StreamThread.java:259) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.onJoinComplete(ConsumerCoordinator.java:264) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.joinGroupIfNeeded(AbstractCoordinator.java:367) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:316) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:295) at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1138) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1103) at org.apache.kafka.streams.processor.internals.StreamThread.pollRequests(StreamThread.java:851) {code} > RestoreIntegrationTest sometimes fails with assertion error > ----------------------------------------------------------- > > Key: KAFKA-6137 > URL: https://issues.apache.org/jira/browse/KAFKA-6137 > Project: Kafka > Issue Type: Test > Components: streams, unit tests > Reporter: Ted Yu > Priority: Minor > Labels: flaky-test > > From https://builds.apache.org/job/kafka-1.0-jdk7/62 : > {code} > org.apache.kafka.streams.integration.RestoreIntegrationTest > > shouldSuccessfullyStartWhenLoggingDisabled FAILED > java.lang.AssertionError > at org.junit.Assert.fail(Assert.java:86) > at org.junit.Assert.assertTrue(Assert.java:41) > at org.junit.Assert.assertTrue(Assert.java:52) > at > org.apache.kafka.streams.integration.RestoreIntegrationTest.shouldSuccessfullyStartWhenLoggingDisabled(RestoreIntegrationTest.java:195) > {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029)