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https://issues.apache.org/jira/browse/KAFKA-12283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17282820#comment-17282820
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Matthias J. Sax commented on KAFKA-12283:
-----------------------------------------
Failed again:
[https://github.com/apache/kafka/pull/10102/checks?check_run_id=1875346575]
> Flaky Test
> RebalanceSourceConnectorsIntegrationTest#testMultipleWorkersRejoining
> --------------------------------------------------------------------------------
>
> Key: KAFKA-12283
> URL: https://issues.apache.org/jira/browse/KAFKA-12283
> Project: Kafka
> Issue Type: Test
> Components: KafkaConnect, unit tests
> Reporter: Matthias J. Sax
> Assignee: Chia-Ping Tsai
> Priority: Critical
> Labels: flaky-test
>
> https://github.com/apache/kafka/pull/10000/checks?check_run_id=1820092809
> {quote} {{java.lang.AssertionError: Tasks are imbalanced:
> localhost:36037=[seq-source13-0, seq-source13-1, seq-source13-2,
> seq-source13-3, seq-source12-0, seq-source12-1, seq-source12-2,
> seq-source12-3]
> localhost:43563=[seq-source11-0, seq-source11-2, seq-source10-0,
> seq-source10-2]
> localhost:46539=[seq-source11-1, seq-source11-3, seq-source10-1,
> seq-source10-3]
> 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:362)
> at
> org.apache.kafka.test.TestUtils.lambda$waitForCondition$3(TestUtils.java:303)
> at
> org.apache.kafka.test.TestUtils.retryOnExceptionWithTimeout(TestUtils.java:351)
> at
> org.apache.kafka.test.TestUtils.retryOnExceptionWithTimeout(TestUtils.java:319)
> 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.testMultipleWorkersRejoining(RebalanceSourceConnectorsIntegrationTest.java:313)}}
> {quote}
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