[
https://issues.apache.org/jira/browse/KAFKA-7988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16860597#comment-16860597
]
Matthias J. Sax commented on KAFKA-7988:
----------------------------------------
Failed in 2.3:
[https://builds.apache.org/blue/organizations/jenkins/kafka-2.3-jdk8/detail/kafka-2.3-jdk8/47/tests]
{code:java}
java.lang.AssertionError: expected:<{0=10, 1=11, 2=12, 3=13, 4=4, 5=5, 6=6,
7=7, 8=8, 9=9}> but was:<{0=10, 1=11, 2=12, 3=13, 4=14, 5=5, 6=6, 7=7, 8=8,
9=9}>
at org.junit.Assert.fail(Assert.java:89)
at org.junit.Assert.failNotEquals(Assert.java:835)
at org.junit.Assert.assertEquals(Assert.java:120)
at org.junit.Assert.assertEquals(Assert.java:146)
at
kafka.server.DynamicBrokerReconfigurationTest.stopAndVerifyProduceConsume(DynamicBrokerReconfigurationTest.scala:1353)
at
kafka.server.DynamicBrokerReconfigurationTest.verifyThreadPoolResize$1(DynamicBrokerReconfigurationTest.scala:615)
at
kafka.server.DynamicBrokerReconfigurationTest.testThreadPoolResize(DynamicBrokerReconfigurationTest.scala:629)
{code}
> Flaky Test DynamicBrokerReconfigurationTest#testThreadPoolResize
> ----------------------------------------------------------------
>
> Key: KAFKA-7988
> URL: https://issues.apache.org/jira/browse/KAFKA-7988
> Project: Kafka
> Issue Type: Bug
> Components: core, unit tests
> Affects Versions: 2.2.0
> Reporter: Matthias J. Sax
> Assignee: Rajini Sivaram
> Priority: Critical
> Labels: flaky-test
> Fix For: 2.4.0
>
>
> To get stable nightly builds for `2.2` release, I create tickets for all
> observed test failures.
> [https://builds.apache.org/blue/organizations/jenkins/kafka-2.2-jdk8/detail/kafka-2.2-jdk8/30/]
> {quote}kafka.server.DynamicBrokerReconfigurationTest > testThreadPoolResize
> FAILED java.lang.AssertionError: Invalid threads: expected 6, got 5:
> List(ReplicaFetcherThread-0-0, ReplicaFetcherThread-0-1,
> ReplicaFetcherThread-0-0, ReplicaFetcherThread-0-2, ReplicaFetcherThread-0-1)
> at org.junit.Assert.fail(Assert.java:88) at
> org.junit.Assert.assertTrue(Assert.java:41) at
> kafka.server.DynamicBrokerReconfigurationTest.verifyThreads(DynamicBrokerReconfigurationTest.scala:1260)
> at
> kafka.server.DynamicBrokerReconfigurationTest.maybeVerifyThreadPoolSize$1(DynamicBrokerReconfigurationTest.scala:531)
> at
> kafka.server.DynamicBrokerReconfigurationTest.resizeThreadPool$1(DynamicBrokerReconfigurationTest.scala:550)
> at
> kafka.server.DynamicBrokerReconfigurationTest.reducePoolSize$1(DynamicBrokerReconfigurationTest.scala:536)
> at
> kafka.server.DynamicBrokerReconfigurationTest.$anonfun$testThreadPoolResize$3(DynamicBrokerReconfigurationTest.scala:559)
> at scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:158) at
> kafka.server.DynamicBrokerReconfigurationTest.verifyThreadPoolResize$1(DynamicBrokerReconfigurationTest.scala:558)
> at
> kafka.server.DynamicBrokerReconfigurationTest.testThreadPoolResize(DynamicBrokerReconfigurationTest.scala:572){quote}
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