[jira] [Created] (KAFKA-7988) Flaky Test DynamicBrokerReconfigurationTest#testThreadPoolResize

["Matthias J. Sax (JIRA)" <ji...@apache.org>]

Matthias J. Sax created KAFKA-7988:
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             Summary: 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
             Fix For: 2.2.0


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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