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https://issues.apache.org/jira/browse/KAFKA-12283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17746197#comment-17746197
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Sagar Rao edited comment on KAFKA-12283 at 7/24/23 5:02 AM:
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The flakiness with this test was fixed as part of this change=>
https://github.com/apache/kafka/pull/12561/files#diff-7c0517709aeed38eadffb16dc43b7fc3ba8a7e9b3069f3c5a5c423caf6473470L273.
We haven't seen flaky behaviour since this PR got merged. Closing. cc [~showuon]
was (Author: sagarrao):
The flakiness with this test was also fixed as part of this PR=>
https://github.com/apache/kafka/pull/12561/files#diff-7c0517709aeed38eadffb16dc43b7fc3ba8a7e9b3069f3c5a5c423caf6473470L273.
Closing. cc [~showuon]
> 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: Luke Chen
> 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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