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Posted to dev@kafka.apache.org by "Guozhang Wang (JIRA)" <ji...@apache.org> on 2016/07/09 21:58:10 UTC
[jira] [Resolved] (KAFKA-3882) Integration failures on low-end
machines
[ https://issues.apache.org/jira/browse/KAFKA-3882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Guozhang Wang resolved KAFKA-3882.
----------------------------------
Resolution: Not A Bug
I found out this is actually due to an issue on my local machine.
> Integration failures on low-end machines
> ----------------------------------------
>
> Key: KAFKA-3882
> URL: https://issues.apache.org/jira/browse/KAFKA-3882
> Project: Kafka
> Issue Type: Sub-task
> Components: streams, unit tests
> Reporter: Guozhang Wang
> Assignee: Guozhang Wang
>
> I now consistently saw some integration failures on my laptop due to no records ever been produced in 30 / 60 seconds (my laptop only has 4GB and when running the unit test today it is burning all CPUs / memory btw):
> {code}
> org.apache.kafka.streams.integration.JoinIntegrationTest > shouldCountClicksPerRegion FAILED
> java.lang.AssertionError: Expected 8 but received only 0 records before timeout 30000 ms
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinKeyValueRecordsReceived(IntegrationTestUtils.java:199)
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinKeyValueRecordsReceived(IntegrationTestUtils.java:173)
> at org.apache.kafka.streams.integration.JoinIntegrationTest.shouldCountClicksPerRegion(JoinIntegrationTest.java:258)
> org.apache.kafka.streams.integration.MapFunctionIntegrationTest > shouldUppercaseTheInput FAILED
> java.lang.AssertionError: Expected 2 but received only 0 records before timeout 30000 ms
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinValuesRecordsReceived(IntegrationTestUtils.java:235)
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinValuesRecordsReceived(IntegrationTestUtils.java:209)
> at org.apache.kafka.streams.integration.MapFunctionIntegrationTest.shouldUppercaseTheInput(MapFunctionIntegrationTest.java:116)
> org.apache.kafka.streams.integration.FanoutIntegrationTest > shouldFanoutTheInput FAILED
> java.lang.AssertionError: Expected 2 but received only 0 records before timeout 30000 ms
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinValuesRecordsReceived(IntegrationTestUtils.java:235)
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinValuesRecordsReceived(IntegrationTestUtils.java:209)
> at org.apache.kafka.streams.integration.FanoutIntegrationTest.shouldFanoutTheInput(FanoutIntegrationTest.java:145)
> org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest > shouldReduce FAILED
> java.lang.AssertionError: Expected 10 but received only 0 records before timeout 60000 ms
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinKeyValueRecordsReceived(IntegrationTestUtils.java:199)
> at org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest.receiveMessages(KGroupedStreamIntegrationTest.java:467)
> at org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest.shouldReduce(KGroupedStreamIntegrationTest.java:141)
> org.apache.kafka.streams.integration.PassThroughIntegrationTest > shouldWriteTheInputDataAsIsToTheOutputTopic FAILED
> java.lang.AssertionError: Expected 3 but received only 0 records before timeout 30000 ms
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinValuesRecordsReceived(IntegrationTestUtils.java:235)
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinValuesRecordsReceived(IntegrationTestUtils.java:209)
> at org.apache.kafka.streams.integration.PassThroughIntegrationTest.shouldWriteTheInputDataAsIsToTheOutputTopic(PassThroughIntegrationTest.java:103)
> org.apache.kafka.streams.integration.KStreamRepartitionJoinTest > shouldCorrectlyRepartitionOnJoinOperations FAILED
> java.lang.AssertionError: Expected 5 but received only 0 records before timeout 60000 ms
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinValuesRecordsReceived(IntegrationTestUtils.java:235)
> at org.apache.kafka.streams.integration.KStreamRepartitionJoinTest.receiveMessages(KStreamRepartitionJoinTest.java:414)
> at org.apache.kafka.streams.integration.KStreamRepartitionJoinTest.verifyCorrectOutput(KStreamRepartitionJoinTest.java:326)
> at org.apache.kafka.streams.integration.KStreamRepartitionJoinTest.shouldCorrectlyRepartitionOnJoinOperations(KStreamRepartitionJoinTest.java:130)
> org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest > shouldAggregate FAILED
> java.lang.AssertionError: Expected 10 but received only 0 records before timeout 60000 ms
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinKeyValueRecordsReceived(IntegrationTestUtils.java:199)
> at org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest.receiveMessages(KGroupedStreamIntegrationTest.java:467)
> at org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest.shouldAggregate(KGroupedStreamIntegrationTest.java:249)
> org.apache.kafka.streams.integration.WordCountIntegrationTest > shouldCountWords FAILED
> java.lang.AssertionError: Expected 5 but received only 0 records before timeout 30000 ms
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinKeyValueRecordsReceived(IntegrationTestUtils.java:199)
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinKeyValueRecordsReceived(IntegrationTestUtils.java:173)
> at org.apache.kafka.streams.integration.WordCountIntegrationTest.shouldCountWords(WordCountIntegrationTest.java:142)
> org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest > shouldCount FAILED
> java.lang.AssertionError: Expected 10 but received only 0 records before timeout 60000 ms
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinKeyValueRecordsReceived(IntegrationTestUtils.java:199)
> at org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest.receiveMessages(KGroupedStreamIntegrationTest.java:467)
> at org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest.shouldCount(KGroupedStreamIntegrationTest.java:349)
> org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest > shouldGroupByKey FAILED
> java.lang.AssertionError: Expected 10 but received only 0 records before timeout 60000 ms
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinKeyValueRecordsReceived(IntegrationTestUtils.java:199)
> at org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest.receiveMessages(KGroupedStreamIntegrationTest.java:467)
> at org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest.shouldGroupByKey(KGroupedStreamIntegrationTest.java:391)
> org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest > shouldReduceWindowed FAILED
> java.lang.AssertionError: Expected 15 but received only 0 records before timeout 60000 ms
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinKeyValueRecordsReceived(IntegrationTestUtils.java:199)
> at org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest.receiveMessages(KGroupedStreamIntegrationTest.java:467)
> at org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest.shouldReduceWindowed(KGroupedStreamIntegrationTest.java:195)
> org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest > shouldAggregateWindowed FAILED
> java.lang.AssertionError: Expected 15 but received only 0 records before timeout 60000 ms
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinKeyValueRecordsReceived(IntegrationTestUtils.java:199)
> at org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest.receiveMessages(KGroupedStreamIntegrationTest.java:467)
> at org.apache.kafka.streams.integration.KGroupedStreamIntegrationTest.shouldAggregateWindowed(KGroupedStreamIntegrationTest.java:298)
> org.apache.kafka.streams.integration.RegexSourceIntegrationTest > testShouldReadFromRegexAndNamedTopics FAILED
> java.lang.AssertionError: Expected 6 but received only 0 records before timeout 30000 ms
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinKeyValueRecordsReceived(IntegrationTestUtils.java:199)
> at org.apache.kafka.streams.integration.utils.IntegrationTestUtils.waitUntilMinKeyValueRecordsReceived(IntegrationTestUtils.java:173)
> at org.apache.kafka.streams.integration.RegexSourceIntegrationTest.testShouldReadFromRegexAndNamedTopics(RegexSourceIntegrationTest.java:239)
> org.apache.kafka.streams.integration.RegexSourceIntegrationTest > testRegexMatchesTopicsAWhenCreated FAILED
> java.lang.AssertionError:
> Expected: <[TEST-TOPIC-1, TEST-TOPIC-2]>
> but: was null
> at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
> at org.junit.Assert.assertThat(Assert.java:956)
> at org.junit.Assert.assertThat(Assert.java:923)
> at org.apache.kafka.streams.integration.RegexSourceIntegrationTest.testRegexMatchesTopicsAWhenCreated(RegexSourceIntegrationTest.java:152)
> org.apache.kafka.streams.integration.RegexSourceIntegrationTest > testRegexMatchesTopicsAWhenDeleted FAILED
> java.lang.AssertionError:
> Expected: <[TEST-TOPIC-B]>
> but: was null
> at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
> at org.junit.Assert.assertThat(Assert.java:956)
> at org.junit.Assert.assertThat(Assert.java:923)
> at org.apache.kafka.streams.integration.RegexSourceIntegrationTest.testRegexMatchesTopicsAWhenDeleted(RegexSourceIntegrationTest.java:197)
> {code}
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