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https://issues.apache.org/jira/browse/KAFKA-9509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sophie Blee-Goldman reopened KAFKA-9509:
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Saw this fail again on a PR build:
h3. Stacktrace
java.lang.RuntimeException: Could not find enough records. found 0, expected
100 at
org.apache.kafka.connect.util.clusters.EmbeddedKafkaCluster.consume(EmbeddedKafkaCluster.java:435)
at
org.apache.kafka.connect.mirror.MirrorConnectorsIntegrationTest.testReplication(MirrorConnectorsIntegrationTest.java:222)
[https://builds.apache.org/job/kafka-pr-jdk14-scala2.13/1130/testReport/junit/org.apache.kafka.connect.mirror/MirrorConnectorsIntegrationTest/testReplication/]
> Fix flaky test MirrorConnectorsIntegrationTest.testReplication
> --------------------------------------------------------------
>
> Key: KAFKA-9509
> URL: https://issues.apache.org/jira/browse/KAFKA-9509
> Project: Kafka
> Issue Type: Test
> Components: mirrormaker
> Affects Versions: 2.4.0
> Reporter: Sanjana Kaundinya
> Assignee: Sanjana Kaundinya
> Priority: Major
> Fix For: 2.5.0
>
>
> The test
> org.apache.kafka.connect.mirror.MirrorConnectorsIntegrationTest.testReplication
> is a flaky test for MirrorMaker 2.0. Its flakiness lies in the timing of
> when the connectors and tasks are started up. The fix for this would make it
> such that when the connectors are started up, to wait until the REST endpoint
> returns a positive number of tasks to be confident that we can start testing.
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