[jira] [Reopened] (KAFKA-8391) Flaky Test RebalanceSourceConnectorsIntegrationTest#testDeleteConnector

["A. Sophie Blee-Goldman (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-8391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

A. Sophie Blee-Goldman reopened KAFKA-8391:
-------------------------------------------

[~rhauch] [~kkonstantine] this test failed again -- based on the error message it looks like it may be a "real" failure this time, not environmental.

Stacktrace
java.lang.AssertionError: Tasks are imbalanced: 
localhost:35163=[seq-source11-0, seq-source11-3, seq-source10-1, seq-source12-1]
localhost:36961=[seq-source11-1, seq-source10-2, seq-source12-2]
localhost:39023=[seq-source11-2, seq-source10-0, seq-source10-3, seq-source12-0, seq-source12-3]
	at org.junit.Assert.fail(Assert.java:89)
	at org.junit.Assert.assertTrue(Assert.java:42)
	at org.apache.kafka.connect.integration.RebalanceSourceConnectorsIntegrationTest.assertConnectorAndTasksAreUniqueAndBalanced(RebalanceSourceConnectorsIntegrationTest.java:365)
	at org.apache.kafka.test.TestUtils.lambda$waitForCondition$3(TestUtils.java:319)
	at org.apache.kafka.test.TestUtils.retryOnExceptionWithTimeout(TestUtils.java:367)
	at org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:316)
	at org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:300)
	at org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:290)
	at org.apache.kafka.connect.integration.RebalanceSourceConnectorsIntegrationTest.testDeleteConnector(RebalanceSourceConnectorsIntegrationTest.java:213)


https://ci-builds.apache.org/job/Kafka/job/kafka-pr/job/PR-10512/5/testReport/org.apache.kafka.connect.integration/RebalanceSourceConnectorsIntegrationTest/Build___JDK_15_and_Scala_2_13___testDeleteConnector/

> Flaky Test RebalanceSourceConnectorsIntegrationTest#testDeleteConnector
> -----------------------------------------------------------------------
>
>                 Key: KAFKA-8391
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8391
>             Project: Kafka
>          Issue Type: Bug
>          Components: KafkaConnect
>    Affects Versions: 2.3.0
>            Reporter: Matthias J. Sax
>            Assignee: Randall Hauch
>            Priority: Critical
>              Labels: flaky-test
>             Fix For: 2.3.2, 2.6.0, 2.4.2, 2.5.1
>
>         Attachments: 100-gradle-builds.tar
>
>
> [https://builds.apache.org/job/kafka-pr-jdk11-scala2.12/4747/testReport/junit/org.apache.kafka.connect.integration/RebalanceSourceConnectorsIntegrationTest/testDeleteConnector/]
> {quote}java.lang.AssertionError: Condition not met within timeout 30000. Connector tasks did not stop in time. at org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:375) at org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:352) at org.apache.kafka.connect.integration.RebalanceSourceConnectorsIntegrationTest.testDeleteConnector(RebalanceSourceConnectorsIntegrationTest.java:166){quote}



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